| 'ena'ena |
Pseudognaphalium sandwicensium |
3 |
| 'ena'ena |
Pseudognaphalium sandwicensium var. molokaiense |
3 |
| 'ihi |
Portulaca molokiniensis |
18 |
| 'uki'uki |
Dianella sandwicensis |
16 |
| absinth wormwood |
Artemisia absinthium |
12 |
| acorn peperomia |
Peperomia tetraphylla |
1 |
| African asparagus fern |
Asparagus asparagoides |
3 |
| African mile-a-minute |
Mikania cordata |
1 |
| African mustard |
Brassica tournefortii |
2 |
| African rue |
Peganum harmala |
2 |
| African-lily |
Agapanthus praecox |
2 |
| agave |
Agave spp. |
7 |
| air-potato |
Dioscorea bulbifera |
19 |
| airplant |
Tillandsia spp. |
2 |
| Alabama larkspur |
Delphinium alabamicum |
1 |
| Alaska chickweed |
Stellaria longipes |
3 |
| alfalfa |
Medicago sativa |
3 |
| alkalai marsh aster |
Almutaster pauciflorus |
2 |
| alkali desertparsley |
Lomatium caruifolium |
2 |
| alkali mallow |
Malvella leprosa |
1 |
| alkaliweed |
Cressa truxillensis |
23 |
| alligatorweed |
Alternanthera philoxeroides |
21 |
| aloe |
Aloe spp. |
6 |
| alpine besseya |
Besseya alpina |
11 |
| alpine bur cucumber |
Sicyos macrophyllus |
3 |
| alpine clover |
Trifolium dasyphyllum |
5 |
| alpine knapweed |
Centaurea nigrescens |
3 |
| alpine leafybract aster |
Symphyotrichum foliaceum var. apricum |
1 |
| alpine leafybract aster |
Symphyotrichum foliaceum var. foliaceum |
12 |
| alpine milkvetch |
Astragalus alpinus |
7 |
| alpine pennycress |
Thlaspi montanum montanum |
7 |
| alpine pennycress |
Thlaspi montanum |
1 |
| alpine sagebrush |
Artemisia scopulorum |
7 |
| alpine sawsepal penstemon |
Penstemon glaber var. alpinus |
2 |
| alpine smelowskia |
Smelowskia calycina |
3 |
| alpine violet |
Viola labradorica |
3 |
| alpine woodfern |
Dryopteris wallichiana |
10 |
| alsike clover |
Trifolium hybridum |
1 |
| amaryllis |
Amaryllis spp. |
1 |
| amberique-bean |
Strophostyles helvola |
6 |
| American alpine speedwell |
Veronica wormskjoldii |
8 |
| American alumroot |
Heuchera americana |
1 |
| American alumroot |
Heuchera americana var. hispida |
1 |
| American bellflower |
Campanulastrum americanum |
4 |
| American bistort |
Polygonum bistortoides |
1 |
| American bugleweed |
Lycopus americanus |
1 |
| American burnweed |
Erechtites hieraciifolius |
4 |
| American century plant |
Agave americana |
3 |
| American dodder |
Cuscuta americana |
1 |
| American germander |
Teucrium canadense |
7 |
| American pasqueflower |
Pulsatilla patens |
2 |
| American pondweed |
Potamogeton nodosus |
1 |
| American searocket |
Cakile edentula |
4 |
| American speedwell |
Veronica americana |
6 |
| American squawroot |
Conopholis americana |
5 |
| American star-thistle |
Centaurea americana |
1 |
| American waterwillow |
Justicia americana |
2 |
| American yellow rocket |
Barbarea orthoceras |
1 |
| anena |
Boerhavia repens |
15 |
| anisescented goldenrod |
Solidago odora |
1 |
| annual blue-eyed grass |
Sisyrinchium rosulatum |
7 |
| annual bursage |
Ambrosia acanthicarpa |
1 |
| annual fleabane |
Erigeron annuus |
3 |
| annual marshelder |
Iva annua |
2 |
| annual pricklepoppy |
Argemone polyanthemos |
2 |
| annual sowthistle |
Sonchus oleraceus |
24 |
| annual wormwood |
Artemisia annua |
2 |
| annual yellow sweetclover |
Melilotus indicus |
5 |
| antelopehorns |
Asclepias asperula ssp. capricornu |
2 |
| apple mint |
Mentha suaveolens |
1 |
| apple-of-Peru |
Nicandra physalodes |
5 |
| arctic alpine fleabane |
Erigeron humilis |
1 |
| arctic alpine forget-me-not |
Eritrichium nanum aretioides |
3 |
| arctic bellflower |
Campanula uniflora |
2 |
| arctic sweet coltsfoot |
Petasites frigidus |
1 |
| Arizona mule-ears |
Wyethia arizonica |
2 |
| Arizona thistle |
Cirsium arizonicum |
2 |
| aroid palm |
Zamioculcas zamiifolia |
3 |
| arrowleaf balsamroot |
Balsamorhiza sagittata |
6 |
| arrowleaf ragwort |
Senecio triangularis |
2 |
| arrowleaved monochoria |
Monochoria hastata |
1 |
| artichoke |
Cynara scolymus |
2 |
| Asian forget-me-not |
Myosotis asiatica |
1 |
| Asian pigeonwings |
Clitoria ternatea |
1 |
| Asian swordfern |
Nephrolepis brownii |
1 |
| Asiatic bellflower |
Wahlenbergia marginata |
4 |
| Asiatic dayflower |
Commelina communis |
15 |
| Asiatic jasmine |
Trachelospermum asiaticum |
3 |
| asparagus |
Asparagus officinalis |
23 |
| aspen pea |
Lathyrus laetivirens |
1 |
| aster |
Aster spp. |
1 |
| Aster |
|
2 |
| Atamasco lily |
Zephyranthes atamasca |
6 |
| Atlantic camas |
Camassia scilloides |
6 |
| Australian burnweed |
Erechtites minimus |
1 |
| Australian saltbush |
Atriplex semibaccata |
7 |
| Austrian draba |
Draba fladnizensis |
2 |
| Austrian fieldcress |
Rorippa austriaca |
2 |
| autumn coralroot |
Corallorrhiza odontorhiza |
1 |
| autumn dwarf gentian |
Gentianella amarella ssp. acuta |
1 |
| autumn sage |
Salvia greggii |
1 |
| autumn zephyrlily |
Zephyranthes candida |
3 |
| Avery Peak twinpod |
Physaria alpina |
3 |
| awikiwiki |
Canavalia pubescens |
1 |
| Aztec marigold |
Tagetes erecta |
1 |
| baby sun rose |
Aptenia cordifolia |
1 |
| ballhead waterleaf |
Hydrophyllum capitatum |
3 |
| balloon cottonbush |
Asclepias physocarpa |
5 |
| balsam groundsel |
Packera paupercula |
1 |
| Barbados aloe |
Aloe vera |
7 |
| barbwire Russian-thistle |
Salsola paulsenii |
1 |
| bashful ragwort |
Senecio pudicus |
5 |
| bashful wakerobin |
Trillium catesbaei |
6 |
| bastard balm |
Melittis melissophyllum |
1 |
| bastard toadflax |
Comandra umbellata |
1 |
| Bay Biscayne creeping-oxeye |
Sphagneticola trilobata |
3 |
| beach false foxglove |
Agalinis fasciculata |
4 |
| beach morning-glory |
Ipomoea imperati |
8 |
| beaked cornsalad |
Valerianella radiata |
1 |
| bearded clover |
Trifolium barbigerum |
4 |
| beardlip penstemon |
Penstemon barbatus |
9 |
| beardtongues |
Penstemon spp. |
5 |
| beautiful cinquefoil |
Potentilla pulcherrima |
2 |
| beautiful fleabane |
Erigeron formosissimus |
9 |
| bedstraws |
Galium spp. |
1 |
| beechdrops |
Epifagus virginiana |
4 |
| beetleweed |
Galax urceolata |
2 |
| bellardia |
Bellardia trixago |
3 |
| bellorita |
Erigeron bellioides |
1 |
| Benghal dayflower |
Commelina benghalensis |
9 |
| Bering chickweed |
Cerastium beeringianum |
3 |
| bicolor fanmustard |
Nerisyrenia camporum |
1 |
| biennial wormwood |
Artemisia biennis |
2 |
| big floatingheart |
Nymphoides aquatica |
2 |
| bigflower cinquefoil |
Potentilla fissa |
1 |
| bigleaf lupine |
Lupinus polyphyllus |
15 |
| bigpod sesbania |
Sesbania herbacea |
6 |
| bigroot morningglory |
Ipomoea pandurata |
2 |
| bigseed alfalfa dodder |
Cuscuta indecora var. indecora |
1 |
| bird vetch |
Vicia cracca |
8 |
| bird-of-paradise |
Strelitzia reginae |
9 |
| bird-of-paradise |
Strelitzia spp. |
5 |
| birdfoot violet |
Viola pedata |
5 |
| birdsfoot trefoil |
Lotus corniculatus |
5 |
| birdsrape mustard |
Brassica rapa |
7 |
| bishops goutweed |
Aegopodium podagraria |
3 |
| bitter ginger |
Zingiber zerumbet |
2 |
| bitter lettuce |
Lactuca virosa |
2 |
| bitter sneezeweed |
Helenium amarum |
1 |
| bittersweet nightshade |
Solanum dulcamara |
10 |
| black cohosh |
Actaea racemosa var. racemosa |
3 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
10 |
| black henbane |
Hyoscyamus niger |
20 |
| black knapweed |
Centaurea nigra |
2 |
| black medic |
Medicago lupulina |
4 |
| black mustard |
Brassica nigra |
3 |
| black nightshade |
Solanum nigrum |
4 |
| black senna |
Seymeria cassioides |
6 |
| black spleenwort |
Asplenium adiantum-nigrum |
9 |
| black-eyed susan |
Rudbeckia hirta |
12 |
| blackberry lily |
Belamcanda chinensis |
3 |
| blackhead fleabane |
Erigeron melanocephalus |
6 |
| blackseed plantain |
Plantago rugelii |
17 |
| bladder campion |
Silene latifolia ssp. alba |
18 |
| blanketflower |
Gaillardia aristata |
12 |
| blanketflower |
Gaillardia spp. |
2 |
| blazing star |
Liatris spp. |
1 |
| blessed milkthistle |
Silybum marianum |
9 |
| blite goosefoot |
Chenopodium capitatum |
2 |
| blood sage |
Salvia coccinea |
1 |
| bloodberry |
Rivina humilis |
3 |
| bloodflower milkweed |
Asclepias curassavica |
1 |
| bloodroot |
Sanguinaria canadensis |
16 |
| bloody butcher |
Trillium recurvatum |
6 |
| bloody geranium |
Geranium sanguineum |
1 |
| blow wives |
Achyrachaena mollis |
7 |
| blue anise sage |
Salvia guaranitica |
2 |
| blue cohosh |
Caulophyllum thalictroides |
1 |
| blue flax |
Linum perenne |
2 |
| blue lettuce |
Lactuca tatarica var. pulchella |
5 |
| blue mistflower |
Conoclinium coelestinum |
8 |
| blue mustard |
Chorispora tenella |
1 |
| Blue Ridge horsebalm |
Collinsonia serotina |
1 |
| blue vervain |
Verbena hastata |
13 |
| blue wild indigo |
Baptisia australis |
1 |
| blue-eyed grass |
Sisyrinchium spp. |
3 |
| bluebead-lily |
Clintonia borealis |
2 |
| bluebells |
Mertensia spp. |
2 |
| bluedicks |
Dichelostemma capitatum |
2 |
| blueflag iris |
Iris versicolor |
5 |
| blueflower butterwort |
Pinguicula caerulea |
7 |
| blueflower eryngo |
Eryngium integrifolium |
5 |
| bluemink |
Ageratum houstonianum |
3 |
| bluntleaf yellowcress |
Rorippa curvipes |
2 |
| bluntseed sweetroot |
Osmorhiza depauperata |
4 |
| boneset |
Eupatorium perfoliatum |
6 |
| Bonneville shootingstar |
Dodecatheon conjugens |
1 |
| boreal sweetvetch |
Hedysarum boreale |
7 |
| bouncingbet |
Saponaria officinalis |
19 |
| Bowman's root |
Gillenia trifoliata |
1 |
| bracted lousewort |
Pedicularis bracteosa |
5 |
| bracted plantain |
Plantago aristata |
4 |
| branched broomrape |
Orobanche ramosa |
5 |
| brassbuttons |
Cotula coronopifolia |
1 |
| Brazilian vervain |
Verbena incompta |
9 |
| bridal bouquet |
Poranopsis paniculata |
1 |
| brightblue speedwell |
Veronica serpyllifolia ssp. humifusa |
1 |
| bristly hawksbeard |
Crepis setosa |
2 |
| bristly mallow |
Modiola caroliniana |
1 |
| bristly oxtongue |
Helminthotheca echioides |
1 |
| British yellowhead |
Inula britannica |
14 |
| brittleleaf naiad |
Najas minor |
2 |
| Britton's wild petunia |
Ruellia simplex |
1 |
| broadbeard beardtongue |
Penstemon angustifolius |
2 |
| broadleaf arnica |
Arnica latifolia |
7 |
| broadleaf buttonweed |
Spermacoce alata |
1 |
| broadleaf dock |
Rumex obtusifolius |
8 |
| broadleaf filaree |
Erodium botrys |
2 |
| broadleaf forget-me-not |
Myosotis latifolia |
1 |
| broadleaf glandweed |
Parentucellia latifolia |
1 |
| broadleaf lupine |
Lupinus latifolius |
1 |
| broadleaf plantain |
Plantago major |
11 |
| brook saxifrage |
Saxifraga odontoloma |
4 |
| broom snakeweed |
Gutierrezia sarothrae |
2 |
| broomleaf toadflax |
Linaria genistifolia |
3 |
| broomlike ragwort |
Senecio spartioides var. spartioides |
1 |
| brown knapweed |
Centaurea jacea |
2 |
| Browne's blechum |
Blechum pyramidatum |
1 |
| buckbean |
Menyanthes trifoliata |
1 |
| buckhorn plantain |
Plantago coronopus |
1 |
| buckhorn plantain |
Plantago lanceolata |
14 |
| buffalobur |
Solanum rostratum |
10 |
| bulblet bladderfern |
Cystopteris bulbifera |
3 |
| bulbous woodland-star |
Lithophragma glabrum |
9 |
| bull cottonthistle |
Onopordum tauricum |
8 |
| bull thistle |
Cirsium vulgare |
60 |
| bullnettle |
Cnidoscolus stimulosus |
4 |
| bunchberry |
Cornus canadensis |
3 |
| bur beggarticks |
Bidens tripartita |
2 |
| bur buttercup |
Ceratocephala testiculata |
1 |
| bur chervil |
Anthriscus caucalis |
5 |
| burcucumber |
Sicyos angulatus |
1 |
| burning nettle |
Urtica urens |
4 |
| bursting-heart |
Euonymus americanus |
10 |
| bushy waterprimrose |
Ludwigia alternifolia |
2 |
| buttercup oxalis |
Oxalis pes-caprae |
2 |
| butterfly milkweed |
Asclepias tuberosa |
30 |
| butterfly pea |
Clitoria mariana |
2 |
| button snakeroot |
Eryngium yuccifolium |
10 |
| Caesarweed |
Urena lobata |
3 |
| Cainville thistle |
Cirsium calcareum |
5 |
| California amaranth |
Amaranthus californicus |
1 |
| California arrowhead |
Sagittaria montevidensis |
2 |
| California burclover |
Medicago polymorpha |
2 |
| California false-hellebore |
Veratrum californicum |
4 |
| California goldfields |
Lasthenia californica |
6 |
| California loosestrife |
Lythrum californicum |
1 |
| California mugwort |
Artemisia douglasiana |
1 |
| California nettle |
Urtica dioica ssp. gracilis |
8 |
| calla lily |
Zantedeschia aethiopica |
2 |
| camphorweed |
Heterotheca subaxillaris |
3 |
| Canada goldenrod |
Solidago canadensis |
13 |
| Canada goldenrod |
Solidago canadensis var. scabra |
1 |
| Canada lily |
Lilium canadense |
1 |
| Canada thistle |
Cirsium arvense |
50 |
| Canada toadflax |
Nuttallanthus canadensis |
6 |
| Canadian horseweed |
Conyza canadensis var. canadensis |
2 |
| Canadian horseweed |
Conyza canadensis var. pusilla |
4 |
| Canadian lousewort |
Pedicularis canadensis |
9 |
| Canadian white violet |
Viola canadensis |
6 |
| Canadian wildginger |
Asarum canadense |
5 |
| Canadian woodnettle |
Laportea canadensis |
1 |
| candyroot |
Polygala nana |
9 |
| canna |
Canna spp. |
7 |
| canna lily |
Canna x generalis |
2 |
| cape bugle-lily |
Watsonia borbonica |
1 |
| cape ivy |
Delairea odorata |
5 |
| capeweed |
Arctotheca calendula |
8 |
| cardinalflower |
Lobelia cardinalis |
27 |
| cardoon |
Cynara cardunculus |
2 |
| carnation |
Dianthus spp. |
9 |
| Carolina elephantsfoot |
Elephantopus carolinianus |
2 |
| Carolina falsedandelion |
Pyrrhopappus carolinianus |
4 |
| Carolina frostweed |
Helianthemum carolinianum |
11 |
| Carolina geranium |
Geranium carolinianum |
2 |
| Carolina larkspur |
Delphinium carolinianum |
2 |
| Carolina larkspur |
Delphinium carolinianum ssp. virescens |
2 |
| Carolina puccoon |
Lithospermum caroliniense |
2 |
| Carolina redroot |
Lachnanthes caroliana |
5 |
| Carolina spiderlily |
Hymenocallis caroliniana |
1 |
| carpet bugle |
Ajuga reptans |
3 |
| carpetweed |
Mollugo verticillata |
2 |
| carrot |
Daucus carota ssp. sativus |
5 |
| catbells |
Baptisia perfoliata |
1 |
| catchweed bedstraw |
Galium aparine |
8 |
| cathedral bells |
Kalanchoe pinnata |
1 |
| catnip |
Nepeta cataria |
11 |
| celandine poppy |
Stylophorum diphyllum |
7 |
| chamber bitter |
Phyllanthus urinaria |
2 |
| Chamisso arnica |
Arnica chamissonis |
4 |
| Chattahoochee River wakerobin |
Trillium decipiens |
1 |
| chicory |
Cichorium intybus |
20 |
| Chinese foldwing |
Dicliptera chinensis |
1 |
| Chinese hound's tongue |
Cynoglossum amabile |
2 |
| Chinese sprangletop |
Leptochloa chinensis |
1 |
| Chinese thorn-apple |
Datura quercifolia |
4 |
| Chinese violet |
Asystasia gangetica |
6 |
| Chinese yam |
Dioscorea polystachya |
27 |
| clasping heliotrope |
Heliotropium amplexicaule |
1 |
| clasping pepperweed |
Lepidium perfoliatum |
5 |
| clasping Venus' looking-glass |
Triodanis perfoliata |
1 |
| Clayton's sweetroot |
Osmorhiza claytonii |
1 |
| climbing hempweed |
Mikania scandens |
10 |
| closed bottle gentian |
Gentiana andrewsii |
2 |
| cluster dock |
Rumex conglomeratus |
3 |
| clustered bellflower |
Campanula glomerata |
2 |
| clusterflower |
Flaveria trinervia |
2 |
| coastal bedstraw |
Galium hispidulum |
2 |
| coastal groundcherry |
Physalis angustifolia |
1 |
| coastal nehe |
Lipochaeta lavarum |
2 |
| coastal plain chaffhead |
Carphephorus corymbosus |
2 |
| coastal plain honeycombhead |
Balduina angustifolia |
15 |
| coastal plain pennywort |
Hydrocotyle bonariensis |
3 |
| coastal plain St. Johnswort |
Hypericum brachyphyllum |
2 |
| coastal plain tickseed |
Coreopsis gladiata |
1 |
| coat buttons |
Tridax procumbens |
8 |
| cobweb houseleek |
Sempervivum arachnoideum |
1 |
| coco yam, wild taro |
Colocasia esculenta |
24 |
| coffee senna |
Senna occidentalis |
1 |
| Colorado beardtongue |
Penstemon auriberbis |
1 |
| Colorado blue columbine |
Aquilegia caerulea |
11 |
| Colorado false hellebore |
Veratrum tenuipetalum |
1 |
| Colorado ragwort |
Senecio soldanella |
2 |
| coltsfoot |
Tussilago farfara |
16 |
| Columbian monkshood |
Aconitum columbianum |
4 |
| columbine |
Aquilegia spp. |
7 |
| comb bushmint |
Hyptis pectinata |
1 |
| comfortroot |
Hibiscus aculeatus |
1 |
| common arrowhead |
Sagittaria latifolia |
2 |
| common bean |
Phaseolus vulgaris |
15 |
| common beargrass |
Xerophyllum tenax |
1 |
| common blue violet |
Viola sororia |
5 |
| common brighteyes |
Reichardia picroides |
4 |
| common bugloss |
Anchusa officinalis |
3 |
| common burdock |
Arctium minus |
17 |
| common caraway |
Carum carvi |
3 |
| common cattail |
Typha latifolia |
20 |
| common chickweed |
Stellaria media |
2 |
| common chickweed |
Stellaria pallida |
4 |
| common cocklebur |
Xanthium strumarium |
14 |
| common comfrey |
Symphytum officinale |
13 |
| common cowparsnip |
Heracleum maximum |
1 |
| common crupina |
Crupina vulgaris |
3 |
| common evening-primrose |
Oenothera biennis |
13 |
| common fiddleneck |
Amsinckia menziesii var. intermedia |
3 |
| common globe amaranth |
Gomphrena globosa |
1 |
| common groundsel |
Senecio vulgaris |
4 |
| common hempnettle |
Galeopsis tetrahit |
3 |
| common lespedeza |
Kummerowia striata |
7 |
| common mallow |
Malva neglecta |
8 |
| common milkweed |
Asclepias syriaca |
18 |
| common mouse-ear chickweed |
Cerastium fontanum |
4 |
| common mullein |
Verbascum thapsus |
74 |
| common pokeweed |
Phytolacca americana |
40 |
| common purslane |
Portulaca oleracea |
20 |
| common ragweed |
Ambrosia artemisiifolia |
10 |
| common sagewort |
Artemisia campestris |
4 |
| common salsify |
Tragopogon porrifolius |
2 |
| common sneezeweed |
Helenium autumnale |
1 |
| common spiderwort |
Tradescantia ohiensis |
8 |
| common St. Johnswort |
Hypericum perforatum |
21 |
| common stickyseed |
Blennosperma nanum |
2 |
| common sunflower |
Helianthus annuus |
19 |
| common tansy |
Tanacetum vulgare |
15 |
| common tarweed |
Centromadia pungens |
1 |
| common tarweed |
Centromadia pungens ssp. pungens |
4 |
| common teasel |
Dipsacus fullonum |
28 |
| common valerian |
Valeriana officinalis |
11 |
| common vetch |
Vicia sativa |
6 |
| common waterhemp |
Amaranthus rudis |
1 |
| common woolly sunflower |
Eriophyllum lanatum |
3 |
| common yarrow |
Achillea millefolium |
24 |
| common yellowstar |
Hypoxis hirsuta |
3 |
| compact prairie clover |
Dalea compacta |
1 |
| compassplant |
Silphium laciniatum |
2 |
| coneflowers |
Echinacea spp. |
4 |
| Contura Creek sandmat |
Euphorbia ocellata |
3 |
| Cooley's meadow-rue |
Thalictrum cooleyi |
5 |
| copper iris |
Iris fulva |
3 |
| corn chamomile |
Anthemis arvensis |
1 |
| corn speedwell |
Veronica arvensis |
3 |
| corn spurry |
Spergula arvensis |
2 |
| cornflower |
Centaurea cyanus |
13 |
| cottonbatting plant |
Pseudognaphalium stramineum |
2 |
| Coulter's horseweed |
Laennecia coulteri |
3 |
| coyote tobacco |
Nicotiana attenuata |
1 |
| Crandall's beardtongue |
Penstemon crandallii |
4 |
| Crandall's beardtongue |
Penstemon crandallii ssp. procumbens |
2 |
| creeping bellflower |
Campanula rapunculoides |
3 |
| creeping buttercup |
Ranunculus repens |
5 |
| creeping croftonweed |
Ageratina riparia |
3 |
| creeping cucumber |
Melothria pendula |
2 |
| creeping lespedeza |
Lespedeza repens |
1 |
| creeping liriope |
Liriope spicata |
2 |
| creeping phlox |
Phlox stolonifera |
3 |
| creeping sibbaldia |
Sibbaldia procumbens |
1 |
| creeping woodsorrel |
Oxalis corniculata |
3 |
| cressleaf groundsel |
Packera glabella |
2 |
| crested bunias |
Bunias erucago |
1 |
| crested latesummer mint |
Elsholtzia ciliata |
9 |
| crested Philippine violet |
Barleria cristata |
4 |
| Cretan brake |
Pteris cretica |
1 |
| crimson clover |
Trifolium incarnatum |
3 |
| crimson pitcherplant |
Sarracenia leucophylla |
8 |
| crimsoneyed rosemallow |
Hibiscus moscheutos |
1 |
| crippled cranefly |
Tipularia discolor |
1 |
| crocosmia |
Crocosmia spp. |
1 |
| croftonweed |
Ageratina adenophora |
15 |
| crown brodiaea |
Brodiaea coronaria |
4 |
| crownbeard |
Verbesina encelioides |
12 |
| crowned woodfern |
Dryopteris fuscoatra |
1 |
| crownvetch |
Securigera varia |
12 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
1 |
| cucumber |
Cucumis sativus |
11 |
| cultivated tobacco - type unspecified |
Nicotiana tabacum |
1 |
| Culver's root |
Veronicastrum virginicum |
3 |
| cup rosinweed |
Silphium perfoliatum |
6 |
| Cupid's-shaving-brush |
Emilia fosbergii |
5 |
| curly dock |
Rumex crispus |
19 |
| curlycup gumweed |
Grindelia squarrosa |
8 |
| curlyleaf pondweed |
Potamogeton crispus |
5 |
| curvepod yellowcress |
Rorippa curvisiliqua |
1 |
| cushion spurge |
Euphorbia epithymoides |
2 |
| cutleaf burnweed |
Erechtites glomeratus |
2 |
| cutleaf coneflower |
Rudbeckia laciniata |
4 |
| cutleaf coneflower |
Rudbeckia laciniata var. ampla |
1 |
| cutleaf daisy |
Erigeron compositus |
5 |
| cutleaf geranium |
Geranium dissectum |
4 |
| cutleaf groundcherry |
Physalis angulata |
2 |
| cutleaf nightshade |
Solanum triflorum |
3 |
| cutleaf teasel |
Dipsacus laciniatus |
25 |
| cutleaf toothwort |
Cardamine concatenata |
13 |
| cutleaf waterparsnip |
Berula erecta |
1 |
| cypress spurge |
Euphorbia cyparissias |
5 |
| cypressvine morningglory |
Ipomoea quamoclit |
3 |
| daffodils |
Narcissus spp. |
21 |
| daggerleaf clubmoss |
Huperzia phyllantha |
3 |
| dahlia |
Dahlia spp. |
2 |
| Dakota vervain |
Glandularia bipinnatifida |
2 |
| Dalmatian toadflax |
Linaria dalmatica |
28 |
| dalmatian toadflax |
Linaria dalmatica ssp. dalmatica |
5 |
| dalmatian toadflax |
Linaria dalmatica ssp. macedonica |
1 |
| damesrocket |
Hesperis matronalis |
8 |
| dandelion |
Taraxacum officinale |
12 |
| dandelion |
Taraxacum spp. |
1 |
| dark tobacco |
Nicotiana tabacum (dark type) |
3 |
| darkthroat shootingstar |
Dodecatheon pulchellum |
3 |
| Davidson's penstemon |
Penstemon davidsonii |
2 |
| daylily |
Hemerocallis spp. |
3 |
| deathcamas |
Zigadenus spp. |
1 |
| deer fern |
Blechnum spicant |
2 |
| dense blazing star |
Liatris spicata |
4 |
| dense spleenwort |
Asplenium trichomanes ssp. densum |
2 |
| Deptford pink |
Dianthus armeria |
6 |
| desert milkweed |
Asclepias erosa |
2 |
| desert paintbrush |
Castilleja angustifolia dubia |
2 |
| desert princesplume |
Stanleya pinnata |
4 |
| desert ragwort |
Senecio eremophilus |
1 |
| desert rockcress |
Arabis lignifera |
1 |
| devil's horsewhip |
Achyranthes aspera |
8 |
| devil's-claw |
Proboscidea louisianica |
3 |
| devils beggarticks |
Bidens frondosa |
1 |
| diamondleaf saxifrage |
Saxifraga rhomboidea |
18 |
| diffuse knapweed |
Centaurea diffusa |
11 |
| digitalis |
Digitalis spp. |
1 |
| dimpled troutlily |
Erythronium umbilicatum |
13 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
16 |
| dogfennel |
Eupatorium capillifolium |
10 |
| dollarleaf |
Rhynchosia reniformis |
6 |
| dotted gayfeather |
Liatris punctata |
1 |
| dotted polypody |
Polypodium pellucidum |
11 |
| dotted smartweed |
Persicaria punctata |
2 |
| doubtful knight's-spur |
Consolida ajacis |
2 |
| Douglas iris |
Iris douglasiana |
2 |
| Douglas' dustymaiden |
Chaenactis douglasii |
9 |
| Douglas' meadowfoam |
Limnanthes douglasii |
2 |
| Douglas' silverpuffs |
Microseris douglasii |
2 |
| dove pincushions |
Scabiosa columbaria |
1 |
| downy lobelia |
Lobelia puberula |
2 |
| downy milkpea |
Galactia volubilis |
1 |
| downy phlox |
Phlox pilosa |
3 |
| downy rattlesnake plantain |
Goodyera pubescens |
8 |
| downy yellow violet |
Viola pubescens |
3 |
| drug fumitory |
Fumaria officinalis |
6 |
| drumheads |
Polygala cruciata |
1 |
| Drummond's beeblossom |
Gaura drummondii |
4 |
| Drummond's campion |
Silene drummondii |
7 |
| Drummond's milkvetch |
Astragalus drummondii |
6 |
| Drummond's rockcress |
Arabis drummondii |
21 |
| duck-lettuce |
Ottelia alismoides |
3 |
| dumbcane |
Dieffenbachia seguine |
1 |
| duncecap larkspur |
Delphinium x occidentale |
1 |
| dutchman's breeches |
Dicentra cucullaria |
11 |
| dwarf calicoflower |
Downingia pusilla |
2 |
| dwarf cinquefoil |
Potentilla canadensis |
1 |
| dwarf clover |
Trifolium nanum |
1 |
| dwarf crested iris |
Iris cristata |
6 |
| dwarf hesperochiron |
Hesperochiron pumilus |
1 |
| dwarf huckleberry |
Gaylussacia dumosa |
1 |
| dwarf larkspur |
Delphinium tricorne |
6 |
| dwarf mountain ragwort |
Senecio fremontii |
2 |
| dwarf naupaka |
Scaevola coriacea |
17 |
| dwarf netvein hollyfern |
Cyrtomium caryotideum |
2 |
| dwarf palmetto |
Sabal minor |
9 |
| dwarf purple monkeyflower |
Mimulus nanus |
1 |
| dwarf spikemoss |
Selaginella arbuscula |
4 |
| dwarf St. Johnswort |
Hypericum mutilum |
2 |
| dwarf sundew |
Drosera brevifolia |
4 |
| Dyer's woad |
Isatis tinctoria |
10 |
| eared salvinia |
Salvinia auriculata |
1 |
| early blue violet |
Viola palmata |
4 |
| early goldenrod |
Solidago juncea |
3 |
| early wintercress |
Barbarea verna |
1 |
| eastern beebalm |
Monarda bradburiana |
1 |
| eastern bluestar |
Amsonia tabernaemontana |
1 |
| eastern coralbean |
Erythrina herbacea |
3 |
| eastern false rue anemone |
Enemion biternatum |
7 |
| eastern milkpea |
Galactia regularis |
4 |
| eastern turkeybeard |
Xerophyllum asphodeloides |
2 |
| eastern whorled milkweed |
Asclepias verticillata |
6 |
| Eastwood's fiddleneck |
Amsinckia eastwoodiae |
1 |
| Eaton penstemon |
Penstemon eatonii |
3 |
| Eaton's fleabane |
Erigeron eatonii |
3 |
| Eaton's thistle |
Cirsium eatonii |
2 |
| eclipta |
Eclipta prostrata |
1 |
| Egyptian starcluster |
Pentas lanceolata |
1 |
| elegant Jacob's-ladder |
Polemonium elegans |
1 |
| elephant creeper |
Argyreia nervosa |
1 |
| elephanthead lousewort |
Pedicularis groenlandica |
26 |
| elephantsfoot |
Elephantopus tomentosus |
6 |
| elkweed |
Frasera speciosa |
6 |
| Elliott's gentian |
Gentiana catesbaei |
1 |
| eltrot |
Heracleum sphondylium |
5 |
| Emory's rockdaisy |
Perityle emoryi |
5 |
| Engelmann's aster |
Eucephalus engelmannii |
3 |
| English catchfly |
Silene gallica |
3 |
| English violet |
Viola odorata |
1 |
| entireleaf Indian paintbrush |
Castilleja indivisa |
1 |
| erect centella |
Centella erecta |
1 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
6 |
| Europe sage |
Salvia sclarea |
1 |
| European goldenrod |
Solidago virgaurea |
1 |
| European heliotrope |
Heliotropium europaeum |
1 |
| European lily of the valley |
Convallaria majalis |
2 |
| European sticktight |
Lappula squarrosa |
7 |
| European stinging nettle |
Urtica dioica ssp. dioica |
15 |
| evening-primrose |
Oenothera spp. |
7 |
| fairy primrose |
Primula malacoides |
1 |
| fairy slipper |
Calypso bulbosa |
2 |
| fairywand |
Chamaelirium luteum |
2 |
| false aloe |
Manfreda virginica |
2 |
| false chamomile |
Tripleurospermum perforatum |
4 |
| false flowering spurge |
Euphorbia pubentissima |
4 |
| false garlic |
Nothoscordum bivalve |
1 |
| false lily-of-the-valley |
Maianthemum canadense |
1 |
| fanwort |
Cabomba caroliniana |
1 |
| featherleaf fleabane |
Erigeron pinnatisectus |
4 |
| featherleaf pepperweed |
Lepidium pinnatifidum |
1 |
| feathery false lily of the valley |
Maianthemum racemosum ssp. racemosum |
5 |
| felwort |
Swertia perennis |
1 |
| fence morning-glory |
Ipomoea ochracea |
4 |
| Fendler's cowbane |
Oxypolis fendleri |
3 |
| Fendler's groundsel |
Packera fendleri |
1 |
| Fendler's rockcress |
Arabis fendleri |
2 |
| Fendler's sandwort |
Arenaria fendleri |
4 |
| fennel |
Foeniculum vulgare |
9 |
| fernleaf biscuitroot |
Lomatium dissectum |
3 |
| fernleaf phacelia |
Phacelia bipinnatifida |
1 |
| fernleaf yarrow |
Achillea filipendulina |
1 |
| fernleaf yellow false foxglove |
Aureolaria pedicularia |
2 |
| feverfew |
Tanacetum parthenium |
3 |
| fewleaf thistle |
Cirsium remotifolium |
3 |
| fiddleleaf dock |
Rumex pulcher |
1 |
| field bindweed |
Convolvulus arvensis |
23 |
| field chickweed |
Cerastium arvense |
4 |
| field dodder |
Cuscuta pentagona |
1 |
| field horsetail |
Equisetum arvense |
11 |
| field Indian paintbrush |
Castilleja arvensis |
1 |
| field madder |
Sherardia arvensis |
2 |
| field pansy |
Viola bicolor |
2 |
| field pennycress |
Thlaspi arvense |
23 |
| field pepperweed |
Lepidium campestre |
8 |
| field speedwell |
Veronica agrestis |
1 |
| field thistle |
Cirsium discolor |
7 |
| fire pink |
Silene virginica |
14 |
| fireweed |
Chamerion angustifolium |
10 |
| Fitch's tarweed |
Hemizonia fitchii |
6 |
| fivehook bassia |
Bassia hyssopifolia |
6 |
| fiveleaf yam |
Dioscorea pentaphylla |
1 |
| fivenerve helianthella |
Helianthella quinquenervis |
4 |
| fivestamen miterwort |
Mitella pentandra |
6 |
| flamingo flower |
Anthurium andraeanum |
1 |
| flat-top goldentop |
Euthamia graminifolia var. graminifolia |
4 |
| flatbud pricklypoppy |
Argemone munita |
1 |
| flaxleaf false foxglove |
Agalinis linifolia |
5 |
| flaxleaf plainsmustard |
Schoenocrambe linifolia |
3 |
| fleabanes |
Erigeron spp. |
1 |
| flixweed |
Descurainia sophia |
8 |
| floating bladderwort |
Utricularia inflata |
3 |
| floating pennywort |
Hydrocotyle ranunculoides |
1 |
| floating waterprimrose |
Ludwigia repens |
1 |
| Florida betony |
Stachys floridana |
2 |
| Florida bluehearts |
Buchnera floridana |
5 |
| Florida wild lettuce |
Lactuca floridana |
1 |
| flowering rush |
Butomus umbellatus |
2 |
| flowering spurge |
Euphorbia corollata |
4 |
| flowery phlox |
Phlox multiflora |
1 |
| flue-cured tobacco |
Nicotiana tabacum (flue-cured type) |
2 |
| flypoison |
Amianthium muscitoxicum |
1 |
| folded calicoflower |
Downingia ornatissima |
2 |
| forked bluecurls |
Trichostema dichotomum |
3 |
| fourleaf milkweed |
Asclepias quadrifolia |
7 |
| fourleaf yam |
Dioscorea quaternata |
1 |
| fourspike heliotrope |
Heliotropium procumbens |
2 |
| foxglove |
Digitalis purpurea |
3 |
| fragrant bedstraw |
Galium triflorum |
3 |
| fragrant white sand verbena |
Abronia elliptica |
1 |
| Fremont's deathcamas |
Zigadenus fremontii |
1 |
| Fremont's goldfields |
Lasthenia fremontii |
2 |
| French's shootingstar |
Dodecatheon frenchii |
13 |
| fringed bluestar |
Amsonia ciliata |
1 |
| fringed bluestar |
Amsonia ciliata var. tenuifolia |
5 |
| fringed willowherb |
Epilobium ciliatum ssp. ciliatum |
3 |
| fringed willowherb |
Epilobium ciliatum ssp. watsonii |
1 |
| front range beardtongue |
Penstemon virens |
3 |
| fuzzyfruit nightshade |
Solanum candidum |
1 |
| garden loosestrife |
Lysimachia vulgaris |
6 |
| garden orach |
Atriplex hortensis |
1 |
| garden spurge |
Chamaesyce hirta |
2 |
| garden vetch |
Vicia sativa nigra |
2 |
| garden vetch |
Vicia sativa ssp. nigra |
1 |
| garlic mustard |
Alliaria petiolata |
103 |
| gasplant |
Dictamnus albus |
1 |
| Gaudichaud's halberd fern |
Tectaria gaudichaudii |
1 |
| Georgia aster |
Symphyotrichum georgianum |
4 |
| Geraldton carnation weed |
Euphorbia terracina |
3 |
| germander speedwell |
Veronica chamaedrys |
1 |
| giant angelica |
Angelica ampla |
3 |
| giant hogweed |
Heracleum mantegazzianum |
24 |
| giant ironweed |
Vernonia gigantea gigantea |
7 |
| giant lousewort |
Pedicularis procera |
11 |
| giant ragweed |
Ambrosia trifida |
12 |
| giant red Indian paintbrush |
Castilleja miniata |
11 |
| giant reed |
Arundo donax |
47 |
| giant salvinia |
Salvinia molesta |
4 |
| giant taro |
Alocasia macrorrhizos |
1 |
| goat's rue |
Tephrosia virginiana |
2 |
| goatsbeard |
Tragopogon spp. |
4 |
| goatsrue |
Galega officinalis |
6 |
| golden draba |
Draba aurea |
16 |
| golden polypody |
Phlebodium aureum |
1 |
| golden ragwort |
Packera aurea |
4 |
| goldenrod |
Solidago spp. |
11 |
| goldenseal |
Hydrastis canadensis |
8 |
| goldenweed |
Croptilon divaricatum |
1 |
| goosefoot |
Chenopodium spp. |
1 |
| gopherweed |
Baptisia lanceolata |
12 |
| Gordon's ivesia |
Ivesia gordonii |
4 |
| graceful buttercup |
Ranunculus inamoenus |
1 |
| graceful sandmat |
Chamaesyce hypericifolia |
1 |
| grassleaf Barbara's buttons |
Marshallia graminifolia var. cynanthera |
5 |
| grassy deathcamas |
Zigadenus venenosus var. gramineus |
1 |
| gravelweed |
Verbesina helianthoides |
3 |
| gray goldenrod |
Solidago nemoralis |
1 |
| Gray's angelica |
Angelica grayi |
8 |
| Gray's biscuitroot |
Lomatium grayi |
1 |
| graygreen thistle |
Cirsium canovirens |
2 |
| graylocks four-nerve daisy |
Tetraneuris grandiflora |
4 |
| great blue lobelia |
Lobelia siphilitica |
12 |
| great burdock |
Arctium lappa |
2 |
| great coneflower |
Rudbeckia maxima |
1 |
| Great Plains yucca |
Yucca glauca |
5 |
| Great Valley gumweed |
Grindelia camporum |
3 |
| Great Valley gumweed |
Grindelia camporum var. camporum |
1 |
| greater ammi |
Ammi majus |
2 |
| greater celandine |
Chelidonium majus |
3 |
| greater fringed gentian |
Gentianopsis crinita |
8 |
| greater purple fringed orchid |
Platanthera grandiflora |
3 |
| greater tickseed |
Coreopsis major |
2 |
| Greek valerian |
Polemonium reptans |
2 |
| green and gold |
Chrysogonum virginianum |
1 |
| green antelopehorn |
Asclepias viridis |
1 |
| green dragon |
Arisaema dracontium |
6 |
| green false-hellebore |
Veratrum viride |
2 |
| green fiveleaf orchid |
Isotria medeoloides |
4 |
| green fringed orchid |
Platanthera lacera |
2 |
| green hellebore |
Helleborus viridis |
1 |
| green milkweed |
Asclepias viridiflora |
1 |
| green pitcherplant |
Sarracenia oreophila |
7 |
| green prairie coneflower |
Ratibida tagetes |
1 |
| Greene's popcornflower |
Plagiobothrys greenei |
3 |
| greenflower pepperweed |
Lepidium densiflorum |
6 |
| greenleaf ticktrefoil |
Desmodium intortum |
3 |
| greenvein lady's tresses |
Spiranthes praecox |
2 |
| Gregg arrowhead |
Sagittaria longiloba |
1 |
| gronovius hawkweed |
Hieracium gronovii |
2 |
| groovestem Indian plantain |
Arnoglossum plantagineum |
3 |
| ground ivy |
Glechoma hederacea |
8 |
| ground spurge |
Chamaesyce prostrata |
1 |
| groundcherries |
Physalis spp. |
3 |
| guayule |
Parthenium argentatum |
1 |
| Gunnison County rockcress |
Arabis pallidifolia |
3 |
| Gunnison's mariposa lily |
Calochortus gunnisonii |
3 |
| Guyandotte beauty |
Synandra hispidula |
5 |
| hairy alumroot |
Heuchera villosa |
1 |
| hairy arnica |
Arnica mollis |
6 |
| hairy beggarticks |
Bidens pilosa |
2 |
| hairy bittercress |
Cardamine hirsuta |
5 |
| hairy cat's ear |
Hypochaeris radicata |
13 |
| hairy chaffhead |
Carphephorus paniculatus |
14 |
| hairy clematis |
Clematis hirsutissima |
3 |
| hairy evening-primrose |
Oenothera villosa ssp. strigosa |
3 |
| hairy false goldenaster |
Heterotheca villosa |
4 |
| hairy false goldenaster |
Heterotheca villosa var. villosa |
1 |
| hairy fleabane |
Conyza bonariensis |
6 |
| hairy forked nailwort |
Paronychia fastigiata |
1 |
| hairy galinsoga |
Galinsoga ciliata |
2 |
| hairy lespedeza |
Lespedeza hirta |
3 |
| hairy nightshade |
Solanum physalifolium |
4 |
| hairy pepperwort |
Marsilea vestita |
2 |
| hairy purslane |
Portulaca villosa |
3 |
| hairy purslane speedwell |
Veronica peregrina ssp. xalapensis |
3 |
| hairy rockcress |
Arabis hirsuta |
8 |
| hairy sandspurry |
Spergularia villosa |
4 |
| hairy shadow witch |
Ponthieva racemosa |
1 |
| hairy sunflower |
Helianthus hirsutus |
1 |
| hairy vetch |
Vicia villosa |
4 |
| Hairy wachendorfia |
Wachendorfia hirsuta |
1 |
| hairy white oldfield aster |
Symphyotrichum pilosum var. pilosum |
8 |
| hairy whitetop |
Cardaria pubescens |
3 |
| hairy willowherb |
Epilobium hirsutum |
2 |
| hairy woodrose |
Merremia aegyptia |
7 |
| hairypink |
Petrorhagia dubia |
1 |
| hairypod cowpea |
Vigna luteola |
1 |
| halberdleaf rosemallow |
Hibiscus laevis |
1 |
| Hall's milkvetch |
Astragalus hallii |
2 |
| halogeton |
Halogeton glomeratus |
8 |
| harbinger of spring |
Erigenia bulbosa |
3 |
| Harbour's beardtoungue |
Penstemon harbourii |
2 |
| hare's ear |
Bupleurum rotundifolium |
2 |
| harebell |
Campanula rotundifolia |
5 |
| harlequin calicoflower |
Downingia insignis |
3 |
| harsh Indian paintbrush |
Castilleja hispida |
1 |
| Hawai'I birdnest fern |
Asplenium nidus |
4 |
| Hawai'i stingingnettle |
Hesperocnide sandwicensis |
1 |
| Hawai'i twinsorus fern |
Diplazium sandwichianum |
2 |
| Hawai'i widelip orchid |
Liparis hawaiensis |
15 |
| Hawaii morningglory |
Ipomoea tuboides |
3 |
| hawkweeds |
Hieracium spp. |
6 |
| hay-scented fern |
Dennstaedtia punctilobula |
1 |
| healall |
Prunella vulgaris |
17 |
| heartleaf arnica |
Arnica cordifolia |
10 |
| heartleaf bittercress |
Cardamine cordifolia |
7 |
| heartleaf foamflower |
Tiarella cordifolia |
10 |
| heartwing sorrel |
Rumex hastatulus |
2 |
| heather |
Calluna vulgaris |
1 |
| hedge mustard |
Sisymbrium officinale |
9 |
| hedgeparsley |
Torilis arvensis |
4 |
| Heller's cudweed |
Pseudognaphalium helleri |
1 |
| helmet flower |
Scutellaria integrifolia |
7 |
| hemp dogbane |
Apocynum cannabinum |
22 |
| hemp sesbania |
Sesbania exaltata |
2 |
| henbit |
Lamium amplexicaule |
13 |
| hibiscus |
Hibiscus lunariifolius |
1 |
| hibiscus |
Hibiscus spp. |
1 |
| high mallow |
Malva sylvestris |
1 |
| hinahina kahakai |
Nama sandwicense |
1 |
| hoary alyssum |
Berteroa incana |
2 |
| hoary bowlesia |
Bowlesia incana |
1 |
| hoary cress |
Lepidium draba |
43 |
| hoary groundsel |
Packera werneriifolia |
1 |
| hoary mountainmint |
Pycnanthemum incanum |
2 |
| hoary puccoon |
Lithospermum canescens |
5 |
| hoary vervain |
Verbena stricta |
3 |
| hollyleaf clover |
Trifolium gymnocarpon |
1 |
| Holm's ragwort |
Senecio amplectens var. holmii |
2 |
| honeyvine swallowwort |
Cynanchum laeve |
18 |
| hooded lady's tresses |
Spiranthes romanzoffiana |
1 |
| hooded pitcherplant |
Sarracenia minor |
30 |
| hookedspur violet |
Viola adunca |
1 |
| Hooker's balsamroot |
Balsamorhiza hookeri |
5 |
| Hooker's evening primrose |
Oenothera elata ssp. hookeri |
2 |
| hophornbeam copperleaf |
Acalypha ostryifolia |
1 |
| horehound |
Marrubium peregrinum |
1 |
| horned dandelion |
Taraxacum ceratophorum |
3 |
| horse purslane |
Trianthema portulacastrum |
2 |
| horse thistle |
Onopordum acaulon |
2 |
| horsemint |
Blephilia ciliata |
5 |
| horsenettle |
Solanum carolinense |
9 |
| horsetail |
Equisetum spp. |
3 |
| horseweed |
Conyza canadensis |
17 |
| horseweeds |
Conyza spp. |
1 |
| hottentot fig |
Carpobrotus edulis |
1 |
| houndstongue |
Cynoglossum officinale |
12 |
| hydrilla |
Hydrilla verticillata |
8 |
| hyssop loosestrife |
Lythrum hyssopifolium |
7 |
| Illinois bundleflower |
Desmanthus illinoensis |
7 |
| illscented wakerobin |
Trillium rugelii |
2 |
| Illyrian cottonthistle |
Onopordum illyricum |
1 |
| Indian camphorweed |
Pluchea indica |
6 |
| Indian cucumber |
Medeola virginiana |
2 |
| Indian heliotrope |
Heliotropium indicum |
1 |
| Indian mock-strawberry |
Duchesnea indica |
1 |
| Indian mustard |
Brassica juncea |
2 |
| Indian paintbrush |
Castilleja spp. |
4 |
| Indian pink |
Spigelia marilandica |
1 |
| Indian thistle |
Cirsium edule |
2 |
| Indian tobacco |
Nicotiana quadrivalvis |
1 |
| Indian Valley false mallow |
Malvastrum americanum |
1 |
| Indian waltheria |
Waltheria indica |
23 |
| Indianpipe |
Monotropa uniflora |
19 |
| Indiantobacco |
Lobelia inflata |
1 |
| inflated grasswidow |
Olsynium douglasii var. inflatum |
1 |
| iris |
Iris spp. |
6 |
| ironweed |
Vernonia spp. |
1 |
| Italian arum |
Arum italicum |
1 |
| Italian plumeless thistle |
Carduus pycnocephalus |
11 |
| Ithuriel's spear |
Triteleia laxa |
3 |
| ivy gourd |
Coccinia grandis |
4 |
| ivyleaf morningglory |
Ipomoea hederacea |
8 |
| ixora |
Ixora spp. |
1 |
| Jack in the pulpit |
Arisaema triphyllum |
15 |
| Jack in the pulpit |
Arisaema triphyllum ssp. triphyllum |
1 |
| Jackson Hole thistle |
Cirsium subniveum |
2 |
| Jamaica vervain |
Stachytarpheta jamaicensis |
3 |
| Jamaican nightshade |
Solanum jamaicense |
3 |
| James' beardtongue |
Penstemon jamesii |
14 |
| Japanese anemone |
Anemone x hybrida |
2 |
| Japanese chaff flower |
Achyranthes japonica |
41 |
| Japanese dodder |
Cuscuta japonica |
7 |
| Japanese hedgeparsley |
Torilis japonica |
11 |
| Japanese knotweed |
Fallopia japonica |
50 |
| Japanese pachysandra |
Pachysandra terminalis |
4 |
| Japanese thistle |
Cirsium japonicum |
2 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
2 |
| Jerusalem artichoke |
Helianthus tuberosus |
8 |
| Jerusalem-oak goosefoot |
Chenopodium botrys |
2 |
| Jessica sticktight |
Hackelia micrantha |
1 |
| jewelweed |
Impatiens capensis |
8 |
| jimsonweed |
Datura stramonium |
14 |
| justiceweed |
Eupatorium leucolepis |
1 |
| Kahila garland-lily |
Hedychium gardnerianum |
21 |
| Kalealaha beggarticks |
Bidens micrantha ssp. kalealaha |
1 |
| Kamchatka fritillary |
Fritillaria camschatcensis |
1 |
| Kellogg's tarweed |
Deinandra kelloggii |
1 |
| kenaf |
Hibiscus cannabinus |
1 |
| Kentucky lady's slipper |
Cypripedium kentuckiense |
2 |
| Kern tarweed |
Deinandra pallida |
1 |
| Kerner's dock |
Rumex kerneri |
1 |
| kidneyleaf grass of Parnassus |
Parnassia asarifolia |
2 |
| kidneyleaf rosinweed |
Silphium compositum |
2 |
| kilaw |
Dryopteris glabra |
3 |
| king's clover |
Trifolium kingii |
2 |
| knapweeds |
Centaurea spp. |
1 |
| knotted hedgeparsley |
Torilis nodosa |
2 |
| knotweed |
Polygonum spp. |
3 |
| Korean lespedeza |
Kummerowia stipulacea |
2 |
| Kowhai |
Sophora tetraptera |
1 |
| Kunana pepperwort |
Lepidium bidentatum var. owaihiense |
8 |
| Kunth's hacksaw fern |
Doodia kunthiana |
3 |
| Kure Atoll nehe |
Lipochaeta integrifolia |
14 |
| laceleaf |
Anthurium spp. |
1 |
| ladies' tobacco |
Pseudognaphalium californicum |
2 |
| ladies'-tresses |
Spiranthes spp. |
6 |
| lady's slippers |
Cypripedium spp. |
3 |
| ladysthumb |
Persicaria maculosa |
10 |
| Lamarck's bedstraw |
Galium divaricatum |
2 |
| Lambert crazyweed |
Oxytropis lambertii |
12 |
| lambsquarters |
Chenopodium album |
17 |
| lambstongue ragwort |
Senecio integerrimus |
1 |
| lanceleaf arrowhead |
Sagittaria lancifolia |
5 |
| lanceleaf blanketflower |
Gaillardia aestivalis |
4 |
| lanceleaf figwort |
Scrophularia lanceolata |
6 |
| lanceleaf springbeauty |
Claytonia lanceolata |
1 |
| lanceleaf tickseed |
Coreopsis lanceolata |
14 |
| lanceleaf violet |
Viola lanceolata |
4 |
| lanceleaf wakerobin |
Trillium lancifolium |
2 |
| lancepod draba |
Draba lonchocarpa |
2 |
| large hop clover |
Trifolium campestre |
2 |
| large leather-root |
Hoita macrostachya |
3 |
| large mountain fleabane |
Erigeron coulteri |
9 |
| large yellow vetch |
Vicia grandiflora |
1 |
| large-flower primrose-willow |
Ludwigia grandiflora |
7 |
| largeflower bellwort |
Uvularia grandiflora |
2 |
| largeflower milkweed |
Asclepias connivens |
11 |
| largeflower valerian |
Valeriana pauciflora |
6 |
| largeleaf avens |
Geum macrophyllum |
1 |
| largeleaf sandwort |
Moehringia macrophylla |
1 |
| largeleaf waterleaf |
Hydrophyllum macrophyllum |
1 |
| larkspur |
Delphinium spp. |
15 |
| late boneset |
Eupatorium serotinum |
3 |
| late purple aster |
Symphyotrichum patens var. patens |
1 |
| Latin American fleabane |
Erigeron karvinskianus |
3 |
| lavaslope centaury |
Centaurium sebaeoides |
9 |
| leadplant |
Amorpha canescens |
4 |
| Leadville milkvetch |
Astragalus molybdenus |
3 |
| leafy spurge |
Euphorbia esula |
30 |
| leatherleaf goldback fern |
Pityrogramma austroamericana |
4 |
| Leavenworth's eryngo |
Eryngium leavenworthii |
1 |
| Lemmon's rockcress |
Arabis lemmonii |
3 |
| lemon beebalm |
Monarda citriodora |
2 |
| lesser celandine, fig buttercup |
Ficaria verna |
6 |
| lesser snakeroot |
Ageratina aromatica var. aromatica |
1 |
| lesser swinecress |
Coronopus didymus |
2 |
| lettuce |
Lactuca sativa |
13 |
| licorice fern |
Polypodium glycyrrhiza |
3 |
| lilyturf |
Liriope spp. |
2 |
| limestone hawksbeard |
Crepis intermedia |
1 |
| limnophila |
Limnophila sessiliflora |
1 |
| lindenleaf rosemallow |
Hibiscus furcellatus |
1 |
| Lindheimer's beeblossom |
Gaura lindheimeri |
1 |
| Lindheimer's globeberry |
Ibervillea lindheimeri |
1 |
| linearleaf snapdragon |
Misopates orontium |
1 |
| lionsear |
Leonotis nepetifolia |
2 |
| little brown jug |
Hexastylis arifolia |
1 |
| little mallow |
Malva parviflora |
6 |
| little spurflower |
Plectranthus parviflorus |
1 |
| little sweet betsy |
Trillium cuneatum |
3 |
| little western bittercress |
Cardamine oligosperma |
1 |
| littleflower alumroot |
Heuchera parviflora |
11 |
| littleflower penstemon |
Penstemon procerus |
6 |
| littleleaf stenogyne |
Stenogyne microphylla |
7 |
| livid amaranth |
Amaranthus blitum |
20 |
| lizardstail |
Saururus cernuus |
12 |
| lobelia/cardinalflower |
Lobelia spp. |
3 |
| locoweed |
Oxypolis splendens |
3 |
| locoweed |
Oxytropis lambertii x sericea |
2 |
| lodgepole lupine |
Lupinus parviflorus |
2 |
| lonbract wakerobin |
Trillium underwoodii |
2 |
| London rocket |
Sisymbrium irio |
2 |
| longbract wild indigo |
Baptisia bracteata var. leucophaea |
2 |
| longleaf summer bluet |
Houstonia longifolia |
3 |
| longroot smartweed |
Polygonum amphibium var. emersum |
1 |
| longspur violet |
Viola rostrata |
5 |
| longstyle sweetroot |
Osmorhiza longistylis |
2 |
| looseflower water-willow |
Justicia ovata var. lanceolata |
2 |
| Louisiana wormwood |
Artemisia ludoviciana |
7 |
| love-lies-bleeding |
Amaranthus caudatus |
2 |
| low amaranth |
Amaranthus deflexus |
1 |
| low larkspur |
Delphinium nuttallianum |
2 |
| low pinebarren milkwort |
Polygala ramosa |
6 |
| lupine |
Lupinus spp. |
6 |
| lyreleaf sage |
Salvia lyrata |
3 |
| ma'ohi'ohi |
Stenogyne rugosa |
4 |
| Madagascar periwinkle |
Catharanthus roseus |
1 |
| Madagascar ragwort |
Senecio madagascariensis |
27 |
| madeiravine |
Anredera cordifolia |
2 |
| maiden blue eyed mary |
Collinsia parviflora |
2 |
| maiden pink |
Dianthus deltoides |
1 |
| makou |
Peucedanum sandwicense |
2 |
| Malta starthistle |
Centaurea melitensis |
2 |
| manyflower tobacco |
Nicotiana acuminata var. multiflora |
3 |
| marijuana |
Cannabis sativa |
1 |
| marsh bellflower |
Campanula aparinoides |
1 |
| marsh cinquefoil |
Comarum palustre |
2 |
| marsh dayflower |
Murdannia keisak |
10 |
| marsh felwort |
Lomatogonium rotatum |
9 |
| marsh yellowcress |
Rorippa palustris |
3 |
| marshpepper smartweed |
Polygonum hydropiper |
3 |
| Maryland goldenaster |
Chrysopsis mariana |
4 |
| Maryland meadowbeauty |
Rhexia mariana |
1 |
| matted saxifrage |
Saxifraga bronchialis ssp. austromontana |
4 |
| Mauritius hemp |
Furcraea foetida |
5 |
| mayapple |
Podophyllum peltatum |
6 |
| maypop passionflower |
Passiflora incarnata |
4 |
| meadow deathcamas |
Zigadenus venenosus var. venenosus |
1 |
| meadow hawkweed |
Hieracium caespitosum |
4 |
| meadow knapweed |
Centaurea moncktonii |
13 |
| meadow lousewort |
Pedicularis crenulata |
15 |
| meadow salsify |
Tragopogon lamottei |
2 |
| meadow thistle |
Cirsium scariosum |
2 |
| meadowbeauty |
Rhexia virginica |
11 |
| Mediterranean rocket |
Sisymbrium erysimoides |
1 |
| Mediterranean sage |
Salvia aethiopis |
8 |
| Mediterranean saltwort |
Salsola vermiculata |
5 |
| Melancholy toad-flax |
Linaria tristis |
1 |
| melon |
Cucumis melo |
2 |
| mesa paperwort |
Lepidium alyssoides |
1 |
| Mexican creeping zinnia |
Sanvitalia procumbens |
1 |
| Mexican fireweed |
Kochia scoparia |
19 |
| Mexican mosquitofern |
Azolla mexicana |
2 |
| Mexican pricklepoppy |
Argemone mexicana |
4 |
| Mexican tulip poppy |
Hunnemannia fumariifolia |
7 |
| Mexican whorled milkweed |
Asclepias fascicularis |
6 |
| mexicantea |
Dysphania ambrosioides |
5 |
| Miami mist |
Phacelia purshii |
2 |
| Michaux's milkweed |
Asclepias michauxii |
7 |
| Michaux's wormwood |
Artemisia michauxiana |
4 |
| milkweed |
Asclepias spp. |
3 |
| miner's candle |
Cryptantha virgata |
2 |
| miner's lettuce |
Claytonia perfoliata |
1 |
| miniature lupine |
Lupinus bicolor |
2 |
| miramar weed |
Hygrophila polysperma |
1 |
| Missouri goldenrod |
Solidago missouriensis |
3 |
| Missouri lambsquarters |
Chenopodium album var. missouriense |
1 |
| Mistassini primrose |
Primula mistassinica |
1 |
| mohintli |
Justicia spicigera |
1 |
| Mohr's Barbara's buttons |
Marshallia mohrii |
3 |
| moneywort |
Lysimachia nummularia |
2 |
| monkeygrass |
Liriope muscari |
12 |
| Monnier waterhyssop |
Bacopa monnieri |
7 |
| montbretia |
Crocosmia x crocosmiiflora |
4 |
| morningglory |
Ipomoea spp. |
1 |
| Moroccan toadflax |
Linaria maroccana |
6 |
| moss campion |
Silene acaulis |
3 |
| moss vervain |
Glandularia pulchella |
2 |
| moth mullein |
Verbascum blattaria |
15 |
| motherwort |
Leonurus cardiaca |
11 |
| mountain deathcamas |
Zigadenus elegans |
2 |
| mountain deathcamas |
Zigadenus elegans ssp. elegans |
2 |
| mountain dryas |
Dryas octopetala |
4 |
| mountain goldenbanner |
Thermopsis montana |
9 |
| mountain lady's slipper |
Cypripedium montanum |
2 |
| mountain larkspur |
Delphinium ramosum |
2 |
| mountain tansymustard |
Descurainia incana |
16 |
| mountain tansymustard |
Descurainia incana ssp. incisa |
1 |
| mountain thistle |
Cirsium scopulorum |
6 |
| mountain woodsorrel |
Oxalis montana |
1 |
| mouse-ear cress |
Arabidopsis thaliana |
2 |
| mouseear hawkweed |
Hieracium pilosella |
2 |
| Mt. Albert goldenrod |
Solidago simplex |
8 |
| mudmat |
Glossostigma cleistanthum |
1 |
| mugwort |
Artemisia vulgaris |
9 |
| mulberryweed |
Fatoua villosa |
5 |
| mule-ears |
Wyethia amplexicaulis |
3 |
| mullein foxglove |
Dasistoma macrophylla |
5 |
| mullein nightshade |
Solanum donianum |
1 |
| musk fern |
Phymatosorus grossus |
7 |
| musk mallow |
Malva moschata |
4 |
| musk okra |
Abelmoschus moschatus |
8 |
| musk thistle |
Carduus nutans |
56 |
| muskflower |
Mimulus moschatus |
1 |
| narcissus anemone |
Anemone narcissiflora |
1 |
| narrow swordfern |
Nephrolepis cordifolia |
2 |
| narrowleaf bittercress |
Cardamine impatiens |
13 |
| narrowleaf blueeyed-grass |
Sisyrinchium angustifolium |
3 |
| narrowleaf cottonrose |
Logfia gallica |
1 |
| narrowleaf evening-primrose |
Oenothera fruticosa |
2 |
| narrowleaf hawksbeard |
Crepis tectorum |
5 |
| narrowleaf mountainmint |
Pycnanthemum tenuifolium |
4 |
| narrowleaf spring-beauty |
Claytonia virginica |
3 |
| nasturtium |
Tropaeolum majus |
1 |
| native yellow purslane |
Portulaca lutea |
17 |
| nettleleaf goosefoot |
Chenopodium murale |
5 |
| nettleleaf noseburn |
Tragia urticifolia |
1 |
| New Mexico thistle |
Cirsium neomexicanum |
3 |
| New York ironweed |
Vernonia noveboracensis |
12 |
| New Zealand flax |
Phormium tenax |
1 |
| New Zealand spinach |
Tetragonia tetragonioides |
6 |
| Newberry's hymenopappus |
Hymenopappus newberryi |
5 |
| nightblooming cactus |
Hylocereus undatus |
1 |
| nightshade |
Solanum spp. |
2 |
| nipplefruit |
Solanum mammosum |
4 |
| nodding beggarticks |
Bidens cernua |
1 |
| nodding locoweed |
Oxytropis deflexa |
12 |
| nodding onion |
Allium cernuum |
3 |
| nodding ragwort |
Senecio bigelovii |
1 |
| nodding ragwort |
Senecio bigelovii var. bigelovii |
1 |
| nodding rockcress |
Arabis demissa |
2 |
| nodding saxifrage |
Saxifraga cernua |
1 |
| nodding trillium |
Trillium cernuum |
1 |
| Nootka lupine |
Lupinus nootkatensis |
3 |
| Norfolk-island lagunaea |
Lagunaea patersonia |
1 |
| North African knapweed |
Centaurea diluta |
1 |
| northern bedstraw |
Galium boreale |
15 |
| northern fogfruit |
Phyla lanceolata |
2 |
| northern green orchid |
Platanthera hyperborea |
2 |
| northern twayblade |
Listera borealis |
3 |
| notched cowpea |
Vigna marina |
6 |
| Nuttall povertyweed |
Monolepis nuttalliana |
2 |
| Nuttall's linanthus |
Linanthus nuttallii |
1 |
| Nuttall's sunflower |
Helianthus nuttallii |
1 |
| Nuttall's violet |
Viola nuttallii |
8 |
| oblongleaf bluebells |
Mertensia oblongifolia |
3 |
| oblongleaf snakeherb |
Dyschoriste oblongifolia |
6 |
| obscure morning-glory |
Ipomoea obscura |
5 |
| Oconee bells |
Shortia galacifolia |
6 |
| Okefenokee giant pitcher plant |
Sarracenia minor var. okefenokeensis |
5 |
| old man's whiskers |
Geum triflorum |
9 |
| old man's whiskers |
Geum triflorum var. triflorum |
4 |
| Old World forkedfern |
Dicranopteris linearis |
6 |
| Olympic mullein |
Verbascum olympicum |
1 |
| oneflowered broomrape |
Orobanche uniflora |
3 |
| oneside penstemon |
Penstemon unilateralis |
1 |
| onestem fleabane |
Erigeron simplex |
4 |
| onions |
Allium spp. |
11 |
| onionweed |
Asphodelus fistulosus |
5 |
| Ontario blazing star |
Liatris cylindracea |
1 |
| opium poppy |
Papaver somniferum |
1 |
| oppositeleaf Russian thistle |
Salsola soda |
1 |
| orange agoseris |
Agoseris aurantiaca |
9 |
| orange coneflower |
Rudbeckia fulgida |
3 |
| orange hawkweed |
Hieracium aurantiacum |
15 |
| orange milkwort |
Polygala lutea |
18 |
| orange sneezeweed |
Hymenoxys hoopesii |
5 |
| orbicular whitetop |
Lepidium chalepense |
4 |
| orchid |
Odontoglossum spp. |
2 |
| Oregon fleabane |
Erigeron speciosus |
1 |
| Oregon saxifrage |
Saxifraga oregana |
4 |
| Oregon timwort |
Cicendia quadrangularis |
3 |
| Oregon yampah |
Perideridia oregana |
1 |
| Oriental lady's thumb |
Persicaria longiseta |
4 |
| oriental mustard |
Sisymbrium orientale |
3 |
| oriental poppy |
Papaver orientale |
1 |
| ornamental jewelweed |
Impatiens glandulifera |
2 |
| oval-leaf clustervine |
Jacquemontia ovalifolia ssp. sandwicensis |
15 |
| ovateleaf cacalia |
Arnoglossum ovatum |
1 |
| oxeye |
Heliopsis helianthoides |
3 |
| oxeye daisy |
Leucanthemum vulgare |
37 |
| Pacific aster |
Symphyotrichum chilense |
2 |
| Pacific hound's tongue |
Cynoglossum grande |
1 |
| Pacific lupine |
Lupinus lepidus |
5 |
| Pacific onion |
Allium validum |
1 |
| Pacific poison-oak |
Toxicodendron diversilobum |
3 |
| Pacific stonecrop |
Sedum divergens |
1 |
| Pacific trillium |
Trillium ovatum |
6 |
| paha |
Sicyos pachycarpus |
7 |
| painted poinsettia |
Euphorbia cyathophora |
1 |
| pakaha |
Lepechinia hastata |
5 |
| palapalai |
Microlepia strigosa |
2 |
| pale agoseris |
Agoseris glauca |
14 |
| pale echinacea |
Echinacea pallida |
4 |
| pale flax |
Linum bienne |
2 |
| pale smartweed |
Persicaria lapathifolia |
2 |
| paleleaf woodland sunflower |
Helianthus strumosus |
2 |
| paleseed plantain |
Plantago virginica |
5 |
| palm fern |
Blechnum appendiculatum |
1 |
| Palmer amaranth |
Amaranthus palmeri |
41 |
| panicle willowherb |
Epilobium brachycarpum |
3 |
| panicledleaf ticktrefoil |
Desmodium paniculatum |
2 |
| pansy |
Viola x wittrockiana |
1 |
| paperwhite narcissus |
Narcissus papyraceus |
8 |
| Paraguay starbur |
Acanthospermum australe |
1 |
| parrot feather milfoil |
Myriophyllum aquaticum |
7 |
| parrot pitcherplant |
Sarracenia psittacina |
12 |
| Parry's arnica |
Arnica parryi |
4 |
| Parry's bellflower |
Campanula parryi |
4 |
| Parry's dwarf-sunflower |
Helianthella parryi |
1 |
| Parry's goldenrod |
Oreochrysum parryi |
5 |
| Parry's lousewort |
Pedicularis parryi |
3 |
| Parry's primrose |
Primula parryi |
7 |
| Parry's Townsend daisy |
Townsendia parryi |
1 |
| partridgepea |
Chamaecrista fasciculata |
4 |
| Patterson's milkvetch |
Astragalus pattersonii |
16 |
| peanut |
Arachis hypogaea |
7 |
| pearly everlasting |
Anaphalis margaritacea |
2 |
| pearly pussytoes |
Antennaria anaphaloides |
10 |
| pelotazo |
Abutilon incanum |
8 |
| Pennsylvania bittercress |
Cardamine pensylvanica |
2 |
| Pennsylvania smartweed |
Polygonum pensylvanicum |
5 |
| pennycress |
Thlaspi spp. |
1 |
| pennyroyal |
Mentha pulegium |
5 |
| peperomia |
Peperomia leucostachya |
2 |
| peregrine saltbush |
Atriplex suberecta |
1 |
| peregrine thistle |
Cirsium cymosum |
1 |
| perennial lupine |
Lupinus perennis |
33 |
| perennial pepperweed |
Lepidium latifolium |
24 |
| perennial sowthistle |
Sonchus arvensis |
21 |
| perennial soybean |
Neonotonia wightii |
1 |
| Perez's sea lavender |
Limonium perezii |
1 |
| perilla mint |
Perilla frutescens |
15 |
| Persian clover |
Trifolium resupinatum |
1 |
| Persian Shield |
Strobilanthes dyerianus |
1 |
| persistent wakerobin |
Trillium persistens |
6 |
| phacelia |
Phacelia spp. |
1 |
| Philippine ground orchid |
Spathoglottis plicata |
1 |
| phlox |
Phlox spp. |
3 |
| pickerelweed |
Pontederia cordata |
19 |
| pigweed |
Amaranthus spp. |
3 |
| pincushion |
Chaenactis spp. |
1 |
| pine echium |
Echium pininana |
2 |
| pineapple |
Ananas comosus |
2 |
| pineapple-weed |
Matricaria discoidea |
10 |
| pinebarren ticktrefoil |
Desmodium strictum |
1 |
| pineland clustervine |
Jacquemontia curtissii |
1 |
| pineland milkweed |
Asclepias obovata |
7 |
| pineland rayless goldenrod |
Bigelowia nudata |
1 |
| pineneedle beardtongue |
Penstemon pinifolius |
5 |
| pinesap |
Monotropa hypopithys |
5 |
| pineweed |
Hypericum gentianoides |
2 |
| pinewoods horkelia |
Horkelia fusca |
1 |
| pineywoods geranium |
Geranium caespitosum var. caespitosum |
1 |
| pingue rubberweed |
Hymenoxys richardsonii |
3 |
| pinguin |
Bromelia pinguin |
4 |
| pink bogbutton |
Sclerolepis uniflora |
6 |
| pink lady's-slipper |
Cypripedium acaule |
25 |
| pink purslane |
Portulaca pilosa |
7 |
| pink sundew |
Drosera capillaris |
1 |
| pinkfringe |
Arthrostemma ciliatum |
2 |
| pinkscale blazing star |
Liatris elegans |
1 |
| pinnate prairie coneflower |
Ratibida pinnata |
2 |
| pinnate tansymustard |
Descurainia pinnata |
2 |
| pitcherplants |
Sarracenia spp. |
3 |
| plains snakecotton |
Froelichia floridana |
1 |
| plantainleaf pussytoes |
Antennaria plantaginifolia |
6 |
| plantains |
Plantago spp. |
1 |
| pleated gentian |
Gentiana affinis |
4 |
| plumed clover |
Trifolium plumosum |
1 |
| poison-hemlock |
Conium maculatum |
27 |
| poisonbulb |
Crinum asiaticum |
2 |
| pokeweed |
Phytolacca spp. |
2 |
| Porter's licorice-root |
Ligusticum porteri |
5 |
| pot marigold |
Calendula officinalis |
2 |
| poverty sumpweed |
Iva axillaris |
1 |
| Powell amaranth |
Amaranthus powellii |
6 |
| prairie bluebells |
Mertensia lanceolata |
4 |
| prairie flax |
Linum lewisii |
2 |
| prairie rosinweed |
Silphium terebinthinaceum |
3 |
| prairie spiderwort |
Tradescantia occidentalis |
2 |
| prairie thermopsis |
Thermopsis rhombifolia |
2 |
| prickly lettuce |
Lactuca serriola |
41 |
| prickly sida |
Sida spinosa |
5 |
| Prickly-leaved massonia |
Massonia muricata |
1 |
| pride of Ohio |
Dodecatheon meadia |
18 |
| primrose-willow |
Ludwigia peruviana |
2 |
| Prince-of-Wales feather |
Amaranthus hypochondriacus |
2 |
| prostrate globe-amaranth |
Gomphrena serrata |
1 |
| prostrate hutchinsia |
Hornungia procumbens |
1 |
| prostrate knotweed |
Polygonum aviculare |
4 |
| prostrate pigweed |
Amaranthus blitoides |
2 |
| prostrate spurge |
Chamaesyce humistrata |
2 |
| prostrate vervain |
Verbena bracteata |
1 |
| puakauhi |
Canavalia hawaiiensis |
1 |
| purple avens |
Geum rivale |
4 |
| purple bushbean |
Macroptilium atropurpureum |
4 |
| purple coneflower |
Echinacea purpurea |
4 |
| purple cudweed |
Gamochaeta purpurea |
3 |
| purple deadnettle |
Lamium purpureum |
12 |
| purple fiveleaf orchid |
Isotria verticillata |
1 |
| purple fringeless orchid |
Platanthera peramoena |
2 |
| purple locoweed |
Oxypolis lambertii |
3 |
| purple loosestrife |
Lythrum salicaria |
85 |
| purple meadowparsnip |
Thaspium trifoliatum |
2 |
| purple milkweed |
Asclepias purpurascens |
1 |
| purple monkeyflower |
Mimulus lewisii |
3 |
| purple pitcherplant |
Sarracenia purpurea |
8 |
| purple prairie clover |
Dalea purpurea |
1 |
| purple sanicle |
Sanicula bipinnatifida |
1 |
| purple starthistle |
Centaurea calcitrapa |
3 |
| purple toadflax |
Linaria purpurea |
1 |
| purple witchweed |
Striga hermonthica |
5 |
| purpleflower pinkroot |
Spigelia gentianoides var. alabamensis |
1 |
| purplerocket |
Iodanthus pinnatifidus |
2 |
| purplestamen mullein |
Verbascum virgatum |
5 |
| purslane speedwell |
Veronica peregrina |
6 |
| pygmy goldenweed |
Tonestus pygmaeus |
4 |
| pygmy pipes |
Monotropsis odorata |
3 |
| Queen Anne's lace, wild carrot |
Daucus carota |
19 |
| queen's-delight |
Stillingia sylvatica |
5 |
| rabbitfoot clover |
Trifolium arvense |
4 |
| rabbittobacco |
Pseudognaphalium obtusifolium ssp. obtusifolium |
4 |
| racemed milkwort |
Polygala polygama |
1 |
| radish |
Raphanus sativus |
6 |
| ragleaf bahia |
Bahia dissecta |
3 |
| ragweed parthenium |
Parthenium hysterophorus |
1 |
| Rainier pleated gentian |
Gentiana calycosa |
1 |
| ram's head lady's slipper |
Cypripedium arietinum |
1 |
| ramp |
Allium tricoccum |
1 |
| rapeseed |
Brassica napus |
3 |
| rare clubmoss |
Lycopodium obscurum |
1 |
| rattlesnake fern |
Botrychium virginianum |
3 |
| rattlesnake plant |
Calathea crotalifera |
3 |
| rayless arnica |
Arnica x diversifolia |
1 |
| rayless sunflower |
Helianthus radula |
10 |
| red amaranth |
Amaranthus cruentus |
1 |
| red baneberry |
Actaea rubra ssp. arguta |
1 |
| red clover |
Trifolium pratense |
3 |
| red columbine |
Aquilegia canadensis |
8 |
| red ginger |
Alpinia purpurata |
14 |
| red larkspur |
Delphinium nudicaule |
1 |
| red morningglory |
Ipomoea coccinea |
5 |
| red orach |
Atriplex rosea |
1 |
| red sandspurry |
Spergularia rubra |
1 |
| red sorrel |
Rumex acetosella |
34 |
| red trillium |
Trillium erectum |
5 |
| red valerian |
Centranthus ruber |
3 |
| redhot poker |
Kniphofia uvaria |
1 |
| redmaids |
Calandrinia ciliata |
1 |
| redpurple ragwort |
Senecio elegans |
1 |
| redring milkweed |
Asclepias variegata |
2 |
| redroot pigweed |
Amaranthus retroflexus |
15 |
| redstem filaree |
Erodium cicutarium |
5 |
| rice button aster |
Symphyotrichum dumosum var. dumosum |
1 |
| Richardson's geranium |
Geranium richardsonii |
3 |
| Riddell's spikemoss |
Selaginella arenicola ssp. riddellii |
1 |
| Robbins' milkvetch |
Astragalus robbinsii |
10 |
| robust horsenettle |
Solanum dimidiatum |
2 |
| rock clematis |
Clematis columbiana |
1 |
| rocket |
Hesperis spp. |
3 |
| rockslide yellow fleabane |
Erigeron leiomerus |
1 |
| Rocky Mountain beeplant |
Cleome serrulata |
17 |
| Rocky Mountain buttercup |
Ranunculus macauleyi |
1 |
| Rocky Mountain cinquefoil |
Potentilla rubricaulis |
2 |
| Rocky Mountain fringed gentian |
Gentianopsis thermalis |
2 |
| Rocky Mountain goldenrod |
Solidago multiradiata |
17 |
| Rocky Mountain groundsel |
Packera streptanthifolia |
1 |
| Rocky Mountain iris |
Iris missouriensis |
13 |
| Rocky Mountain penstemon |
Penstemon strictus |
20 |
| Rocky Mountain snowlover |
Chionophila jamesii |
2 |
| Roemer's mimosa |
Mimosa roemeriana |
1 |
| romaine lettuce |
Lactuca sativa var. longifolia |
1 |
| romerillo |
Bidens alba var. radiata |
3 |
| rose clover |
Trifolium hirtum |
2 |
| rose rush |
Lygodesmia aphylla |
17 |
| rosepink |
Sabatia angularis |
2 |
| rosering gaillardia |
Gaillardia pulchella |
4 |
| roseroot stonecrop |
Rhodiola rosea |
4 |
| rosilla |
Helenium puberulum |
1 |
| Ross' avens |
Geum rossii |
5 |
| rosy pussytoes |
Antennaria rosea |
2 |
| rough cinquefoil |
Potentilla norvegica |
3 |
| rough fleabane |
Erigeron strigosus |
2 |
| rough maidenhair fern |
Adiantum hispidulum |
2 |
| rough peavine |
Lathyrus hirsutus |
1 |
| roughleaf yellow loosestrife |
Lysimachia asperulifolia |
4 |
| round-lobe hepatica |
Anemone americana |
2 |
| round-lobed hepatica |
Hepatica nobilis var. obtusa |
1 |
| roundhead lespedeza |
Lespedeza capitata |
2 |
| roundleaf bluet |
Houstonia procumbens |
2 |
| royal larkspur |
Delphinium variegatum ssp. variegatum |
1 |
| royal penstemon |
Penstemon speciosus |
2 |
| rue anemone |
Thalictrum thalictroides |
2 |
| running fleabane |
Erigeron colomexicanus |
2 |
| rush skeletonweed |
Chondrilla juncea |
12 |
| Russian iris |
Iris ensata |
1 |
| Russian knapweed |
Rhaponticum repens |
13 |
| Russian mallow |
Althaea armeniaca |
12 |
| Russian thistle |
Salsola kali |
2 |
| Russian-thistle |
Salsola tragus |
19 |
| rustweed |
Polypremum procumbens |
4 |
| Rydberg's penstemon |
Penstemon rydbergii |
17 |
| Sacramento mesamint |
Pogogyne ziziphoroides |
4 |
| Sacred lotus |
Nelumbo nucifera |
1 |
| sacred thorn-apple |
Datura wrightii |
1 |
| safflower |
Carthamus tinctorius |
6 |
| sagebrush buttercup |
Ranunculus glaberrimus |
1 |
| sagebrush mariposa lily |
Calochortus macrocarpus |
1 |
| sagebrush violet |
Viola vallicola |
3 |
| saltbush |
Atriplex spp. |
7 |
| saltmarsh dodder |
Cuscuta salina |
1 |
| Sampson's snakeroot |
Orbexilum pedunculatum |
11 |
| San Bernardino larkspur |
Delphinium parryi |
1 |
| sand dune thistle |
Cirsium pitcheri |
1 |
| sand violet |
Viola affinis |
3 |
| sanddune wallflower |
Erysimum capitatum |
16 |
| sanddune wallflower |
Erysimum capitatum var. capitatum |
1 |
| Sandwich dodder |
Cuscuta sandwichiana |
6 |
| savannah meadowbeauty |
Rhexia alifanus |
3 |
| scabland fleabane |
Erigeron bloomeri |
1 |
| scaly blazing star |
Liatris squarrosa |
5 |
| scarlet beebalm |
Monarda didyma |
2 |
| scarlet gaura |
Gaura coccinea |
3 |
| scarlet gilia |
Ipomopsis aggregata |
6 |
| scarlet globemallow |
Sphaeralcea coccinea |
2 |
| scarlet Indian paintbrush |
Castilleja coccinea |
6 |
| scarlet pimpernel |
Lysimachia arvensis |
6 |
| scarlet rosemallow |
Hibiscus coccineus |
6 |
| scarlet spiderling |
Boerhavia coccinea |
5 |
| scentbottle |
Platanthera dilatata |
2 |
| Scotch thistle |
Onopordum acanthium |
24 |
| Scott's clematis |
Clematis hirsutissima var. scottii |
1 |
| scouringrush |
Equisetum hyemale |
8 |
| sea hibiscus |
Hibiscus tiliaceus |
9 |
| sea lavender |
Limonium gerberi |
3 |
| sea muilla |
Muilla maritima |
1 |
| seabeach evening primrose |
Oenothera humifusa |
1 |
| seacliff starviolet |
Hedyotis littoralis |
3 |
| seacoast angelica |
Angelica lucida |
1 |
| seashore vervain |
Verbena montevidensis |
2 |
| seaside brookweed |
Samolus valerandi |
2 |
| seaside heliotrope |
Heliotropium curassavicum |
15 |
| seep monkeyflower |
Mimulus guttatus |
10 |
| sego lily |
Calochortus nuttallii |
4 |
| sensitiveplant |
Mimosa pudica |
1 |
| sericea lespedeza |
Lespedeza cuneata |
25 |
| serrate balsamroot |
Balsamorhiza serrata |
1 |
| sesame |
Sesamum indicum |
1 |
| sessile tickclover |
Desmodium sessilifolium |
1 |
| seven sisters swamplily |
Crinum americanum |
2 |
| shaggy blazing star |
Liatris pilosa |
1 |
| shaggy fleabane |
Erigeron pumilus |
1 |
| shakeshake |
Crotalaria incana |
3 |
| sharp-lobed hepatica |
Hepatica nobilis var. acuta |
1 |
| sharpleaf twinpod |
Physaria acutifolia |
4 |
| sharpleaf valerian |
Valeriana acutiloba |
7 |
| sharpsepal beardtongue |
Penstemon tenuis |
1 |
| sharpwing monkeyflower |
Mimulus alatus |
1 |
| shellflower |
Moluccella laevis |
3 |
| shellplant |
Alpinia zerumbet |
2 |
| shepherd's-purse |
Capsella bursa-pastoris |
18 |
| shining geranium |
Geranium lucidum |
1 |
| shining pepperweed |
Lepidium nitidum var. nitidum |
2 |
| shoeblackplant |
Hibiscus rosa-sinensis |
5 |
| shooting star |
Dodecatheon spp. |
2 |
| shoreline seapurslane |
Sesuvium portulacastrum |
56 |
| shortfruit stork's bill |
Erodium brachycarpum |
4 |
| shortleaf blazing star |
Liatris tenuifolia |
5 |
| shortleaf lobelia |
Lobelia brevifolia |
1 |
| shortleaf rose gentian |
Sabatia brevifolia |
2 |
| shortpod mustard |
Hirschfeldia incana |
5 |
| shortray fleabane |
Erigeron lonchophyllus |
8 |
| shortstyle onion |
Allium brevistylum |
2 |
| showy alpine ragwort |
Senecio amplectens var. amplectens |
1 |
| showy crazyweed |
Oxytropis splendens |
11 |
| showy draba |
Draba spectabilis |
17 |
| showy evening-primrose |
Oenothera speciosa |
2 |
| showy lady's slipper |
Cypripedium reginae |
1 |
| showy milkweed |
Asclepias speciosa |
4 |
| showy orchid |
Galearis spectabilis |
8 |
| showy prairie gentian |
Eustoma exaltatum ssp. russellianum |
2 |
| showy rattlebox |
Crotalaria spectabilis |
25 |
| shrimpplant |
Justicia brandegeeana |
1 |
| shrubby lespedeza |
Lespedeza bicolor |
11 |
| sibara |
Sibara virginica |
2 |
| sicklepod |
Senna obtusifolia |
10 |
| sickletop lousewort |
Pedicularis racemosa |
5 |
| sidebeak pencilflower |
Stylosanthes biflora |
11 |
| sidebells penstemon |
Penstemon secundiflorus |
2 |
| Sierra tansymustard |
Descurainia californica |
1 |
| silk-grass |
Pityopsis graminifolia |
5 |
| silky jackbean |
Canavalia sericea |
2 |
| silky lupine |
Lupinus sericeus |
2 |
| silky phacelia |
Phacelia sericea |
5 |
| silver lupine |
Lupinus argenteus |
21 |
| silver sage |
Salvia argentea |
1 |
| silverleaf nightshade |
Solanum elaeagnifolium |
7 |
| silversheath knotweed |
Polygonum argyrocoleon |
1 |
| silverweed cinquefoil |
Argentina anserina |
2 |
| simple campion |
Silene scouleri |
6 |
| single delight |
Moneses uniflora |
1 |
| sinkwa towelsponge |
Luffa acutangula |
1 |
| Sitka valerian |
Valeriana sitchensis |
1 |
| skeletonleaf bursage |
Ambrosia tomentosa |
1 |
| skunkcabbage |
Symplocarpus foetidus |
6 |
| slender amaranth |
Amaranthus viridis |
2 |
| slender aster |
Symphyotrichum divaricatum |
5 |
| slender cinquefoil |
Potentilla gracilis |
6 |
| slender copperleaf |
Acalypha gracilens |
1 |
| slender draba |
Draba albertina |
8 |
| slender false buttonweed |
Spermacoce tenuior |
1 |
| slender goldenrod |
Euthamia tenuifolia |
2 |
| slender hawkweed |
Hieracium gracile |
3 |
| slender lespedeza |
Lespedeza virginica |
2 |
| slender rose gentian |
Sabatia campanulata |
1 |
| slender snakecotton |
Froelichia gracilis |
5 |
| slender speedwell |
Veronica filiformis |
1 |
| slender thelypody |
Thelypodium sagittatum |
2 |
| slender toothwort |
Cardamine angustata |
1 |
| slenderflower thistle |
Carduus tenuiflorus |
2 |
| slendertube skyrocket |
Ipomopsis tenuituba |
1 |
| small ballmoss |
Tillandsia recurvata |
3 |
| small bonny bellflower |
Campanula divaricata |
4 |
| small broomrape |
Orobanche minor |
31 |
| small butterwort |
Pinguicula pumila |
14 |
| small camas |
Camassia quamash |
2 |
| small spreading pogonia |
Cleistes bifaria |
1 |
| small Venus' looking-glass |
Triodanis biflora |
7 |
| small white violet |
Viola macloskeyi |
1 |
| small yellow lady' s slipper |
Cypripedium pubescens |
4 |
| Small's skullcap |
Scutellaria multiglandulosa |
6 |
| smallflower galinsoga |
Galinsoga parviflora |
1 |
| smallflower miterwort |
Mitella stauropetala |
7 |
| smallflower woodland-star |
Lithophragma parviflorum |
1 |
| smallflowered anemone |
Anemone parviflora |
1 |
| smallseed falseflax |
Camelina microcarpa |
4 |
| smallspike false nettle |
Boehmeria cylindrica |
5 |
| smooth bedstraw |
Cruciata laevipes |
3 |
| smooth bedstraw |
Galium mollugo |
11 |
| smooth blue aster |
Symphyotrichum laeve var. laeve |
8 |
| smooth cat's ear |
Hypochaeris glabra |
3 |
| smooth goldfields |
Lasthenia glaberrima |
1 |
| smooth hawksbeard |
Crepis capillaris |
1 |
| smooth horsetail |
Equisetum laevigatum |
5 |
| smooth pigweed |
Amaranthus hybridus |
8 |
| smooth pricklypoppy |
Argemone glauca |
17 |
| smooth Solomon's seal |
Polygonatum biflorum |
2 |
| smooth ticktrefoil |
Desmodium laevigatum |
1 |
| smooth tidytips |
Layia chrysanthemoides |
3 |
| smoothstem blazingstar |
Mentzelia laevicaulis |
1 |
| snakemouth orchid |
Pogonia ophioglossoides |
2 |
| sneezewort yarrow |
Achillea ptarmica |
1 |
| snow cinquefoil |
Potentilla nivea |
1 |
| snow-on-the-mountain |
Euphorbia marginata |
4 |
| snowbed draba |
Draba crassifolia |
6 |
| snowplant |
Sarcodes sanguinea |
2 |
| snowy orchid |
Platanthera nivea |
1 |
| snowy thistle |
Cirsium occidentale var. candidissimum |
1 |
| soft thistle |
Cirsium carolinianum |
3 |
| sotol |
Dasylirion spp. |
1 |
| South African ragwort |
Senecio inaequidens |
2 |
| southern lobelia |
Lobelia amoena |
3 |
| southern naiad |
Najas guadalupensis |
1 |
| southern nettle |
Urtica chamaedryoides |
1 |
| southern sida |
Sida acuta |
2 |
| southern twayblade |
Listera australis |
12 |
| soybean |
Glycine max |
8 |
| spanishneedles |
Bidens bipinnata |
2 |
| spearmint |
Mentha spicata |
1 |
| speedwell |
Veronica spp. |
5 |
| spiderflower |
Cleome spinosa |
1 |
| spiderlily |
Hymenocallis spp. |
3 |
| spiderwisp |
Cleome gynandra |
2 |
| spiderwort |
Tradescantia spp. |
5 |
| spiked hoarypea |
Tephrosia spicata |
3 |
| spindleroot |
Ludwigia hirtella |
6 |
| spiny amaranth |
Amaranthus spinosus |
13 |
| spiny cocklebur |
Xanthium spinosum |
4 |
| spiny plumeless thistle |
Carduus acanthoides |
6 |
| spiny sowthistle |
Sonchus asper |
12 |
| splitleaf groundsel |
Packera dimorphophylla dimorphophylla |
1 |
| splitleaf Indian paintbrush |
Castilleja rhexiifolia |
16 |
| spoonleaf yellow loosestrife |
Lysimachia mauritiana |
2 |
| spotted beebalm |
Monarda punctata |
3 |
| spotted beebalm |
Monarda punctata ssp. punctata |
3 |
| spotted beebalm |
Monarda punctata ssp. punctata var. punctata |
2 |
| spotted fritillary |
Fritillaria atropurpurea |
1 |
| spotted joe pye weed |
Eupatoriadelphus maculatus |
3 |
| spotted knapweed |
Centaurea stoebe |
17 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
44 |
| spotted spurge |
Euphorbia maculata |
3 |
| spotted St. Johnswort |
Hypericum punctatum |
1 |
| spotted wakerobin |
Trillium maculatum |
13 |
| spotted water hemlock |
Cicuta maculata var. angustifolia |
2 |
| spotted waterhemlock |
Cicuta maculata |
11 |
| spotted wintergreen |
Chimaphila maculata |
4 |
| sprawling horseweed |
Calyptocarpus vialis |
1 |
| spreadfruit goldenbanner |
Thermopsis divaricarpa |
1 |
| spreading dayflower |
Commelina diffusa |
2 |
| spreading dogbane |
Apocynum androsaemifolium |
12 |
| spreading sandwort |
Arenaria lanuginosa |
6 |
| Sprenger's asparagus fern |
Asparagus densiflorus |
1 |
| spring blue eyed Mary |
Collinsia verna |
3 |
| sprucefir fleabane |
Erigeron eximius |
2 |
| spurge |
Euphorbia spp. |
1 |
| squarrose knapweed |
Centaurea virgata |
6 |
| squirrel corn |
Dicentra canadensis |
9 |
| squirrel's tail |
Justicia betonica |
3 |
| St. Andrew's cross |
Hypericum hypericoides |
3 |
| St. Peterswort |
Hypericum crux-andreae |
1 |
| staghorn clubmoss |
Lycopodiella cernua |
1 |
| stalked popcornflower |
Plagiobothrys stipitatus |
8 |
| standing-cypress |
Ipomopsis rubra |
2 |
| star chickweed |
Stellaria pubera |
4 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
4 |
| starry false lily of the valley |
Maianthemum stellatum |
2 |
| starry rosinweed |
Silphium asteriscus |
3 |
| Steen Mountain thistle |
Cirsium peckii |
1 |
| stemless dwarf lupine |
Lupinus caespitosus |
2 |
| stemless evening primrose |
Oenothera triloba |
1 |
| stemless thistle |
Cirsium tioganum |
9 |
| sticky chickweed |
Cerastium glomeratum |
4 |
| sticky gilia |
Gilia pinnatifida |
2 |
| sticky nightshade |
Solanum sisymbriifolium |
5 |
| sticky polemonium |
Polemonium viscosum |
2 |
| sticky purple geranium |
Geranium viscosissimum |
3 |
| sticky tofieldia |
Triantha glutinosa |
4 |
| stiff greenthread |
Thelesperma filifolium |
2 |
| stiff tickseed |
Coreopsis palmata |
1 |
| stiff ticktrefoil |
Desmodium obtusum |
3 |
| stinging nettle |
Urtica dioica |
1 |
| stinging nettle |
Urtica dioica ssp. holosericea |
1 |
| stinking chamomile |
Anthemis cotula |
6 |
| strawberry |
Fragaria spp. |
7 |
| strawberry |
Fragaria x ananassa |
3 |
| streambank wild hollyhock |
Iliamna rivularis |
1 |
| streamside fleabane |
Erigeron glabellus |
2 |
| striped gentian |
Gentiana villosa |
2 |
| subalpine fleabane |
Erigeron peregrinus |
9 |
| subalpine gumweed |
Grindelia subalpina |
1 |
| subalpine mariposa lily |
Calochortus subalpinus |
1 |
| sudetic lousewort |
Pedicularis sudetica |
5 |
| Suisun Marsh aster |
Symphyotrichum lentum |
3 |
| sulfur cinquefoil |
Potentilla recta |
13 |
| sulphur Indian paintbrush |
Castilleja sulphurea |
6 |
| sulphur knapweed |
Centaurea sulphurea |
2 |
| sulphur-flower buckwheat |
Eriogonum umbellatum |
1 |
| sulphur-flower buckwheat |
Eriogonum umbellatum var. majus |
2 |
| summer coralroot |
Corallorhiza maculata |
4 |
| summer coralroot |
Corallorrhiza maculata |
3 |
| summer pheasant's eye |
Adonis aestivalis |
1 |
| sunflower |
Helianthus spp. |
6 |
| swainsonpea |
Sphaerophysa salsula |
2 |
| swamp lousewort |
Pedicularis lanceolata |
5 |
| swamp milkweed |
Asclepias incarnata |
17 |
| swamp smartweed |
Persicaria hydropiperoides |
7 |
| swamp sunflower |
Helianthus angustifolius |
7 |
| sweet alyssum |
Lobularia maritima |
3 |
| sweet iris |
Iris pallida |
1 |
| sweet joepyeweed |
Eupatorium purpureum |
8 |
| sweet pitcherplant |
Sarracenia rubra |
5 |
| sweet wakerobin |
Trillium vaseyi |
2 |
| sweet white violet |
Viola blanda |
12 |
| sweet-scented Tritonia |
Tritonia squalida |
1 |
| sweetfern |
Comptonia peregrina |
1 |
| sweetpotato |
Ipomoea batatas |
11 |
| swordfern |
Nephrolepis Spp. |
2 |
| Syrian beancaper |
Zygophyllum fabago |
3 |
| tailcup lupine |
Lupinus caudatus |
1 |
| tall blacktip ragwort |
Senecio atratus |
1 |
| tall blazing star |
Liatris aspera |
5 |
| tall buttercup |
Ranunculus acris |
11 |
| tall fleabane |
Conyza floribunda |
3 |
| tall fleabane |
Erigeron elatior |
3 |
| tall fringed bluebells |
Mertensia ciliata |
11 |
| tall hedge mustard |
Sisymbrium loeselii |
5 |
| tall ironweed |
Vernonia angustifolia |
4 |
| tall ironweed |
Vernonia gigantea |
2 |
| tall larkspur |
Delphinium barbeyi |
2 |
| tall lettuce |
Lactuca canadensis |
9 |
| tall meadow-rue |
Thalictrum pubescens |
3 |
| tall morningglory |
Ipomoea purpurea |
8 |
| tall ragwort |
Senecio serra |
1 |
| tall thimbleweed |
Anemone virginiana |
1 |
| tall tickseed |
Coreopsis tripteris |
1 |
| tall vervain |
Verbena bonariensis |
14 |
| tall waterhemp |
Amaranthus tuberculatus |
6 |
| tansy ragwort |
Senecio jacobaea |
30 |
| tapertip onion |
Allium acuminatum |
3 |
| tapertip spleenwort |
Asplenium acuminatum |
1 |
| tarragon |
Artemisia dracunculus |
5 |
| tarweed cuphea |
Cuphea carthagenensis |
1 |
| tasselflower brickellbush |
Brickellia grandiflora |
2 |
| tawny daylily |
Hemerocallis fulva |
10 |
| teasel |
Dipsacus spp. |
3 |
| telegraphplant |
Heterotheca grandiflora |
5 |
| tenangle pipewort |
Eriocaulon decangulare |
1 |
| tenpetal stickleaf |
Mentzelia decapetala |
1 |
| tenpetal thimbleweed |
Anemone berlandieri |
3 |
| Texas bindweed |
Convolvulus equitans |
4 |
| Texas bluebonnet |
Lupinus subcarnosus |
3 |
| Texas bluestar |
Amsonia ciliata var. texana |
6 |
| Texas bullnettle |
Cnidoscolus texanus |
2 |
| Texas filaree |
Erodium texanum |
2 |
| Texas ironweed |
Vernonia texana |
1 |
| Texas lupine |
Lupinus texensis |
3 |
| Texas madeiravine |
Anredera vesicaria |
1 |
| Texas prairie parsley |
Polytaenia texana |
1 |
| Texas skeletonplant |
Lygodesmia texana |
1 |
| Texas star |
Sabatia campestris |
1 |
| Texas thistle |
Cirsium texanum |
1 |
| Texas toadflax |
Nuttallanthus texanus |
3 |
| Texas vervain |
Verbena halei |
2 |
| Texas yellowstar |
Lindheimera texana |
3 |
| Texas yucca |
Yucca rupicola |
2 |
| thickstem aster |
Eurybia integrifolia |
2 |
| thimble clover |
Trifolium microdon |
1 |
| thistle |
Cirsium spp. |
11 |
| three-cornered leek |
Allium triquetrum |
1 |
| threelobe morningglory |
Ipomoea triloba |
1 |
| Thunberg lespedeza |
Lespedeza thunbergii |
2 |
| thymeleaf sandwort |
Arenaria serpyllifolia |
3 |
| thymeleaf speedwell |
Veronica serpyllifolia |
16 |
| ticktrefoils |
Desmodium spp. |
6 |
| tiger beardtongue |
Penstemon mensarum |
19 |
| tiger lily |
Lilium lancifolium |
5 |
| timber milkvetch |
Astragalus miser |
15 |
| tiny bluet |
Houstonia pusilla |
1 |
| toadflax |
Linaria spp. |
4 |
| toadflax penstemon |
Penstemon linarioides |
1 |
| toadlily |
Tricyrtis hirta |
1 |
| tobacco root |
Valeriana edulis |
5 |
| tomatillo groundcherry |
Physalis philadelphica |
2 |
| tomcat clover |
Trifolium willdenovii |
4 |
| tongue pepperweed |
Lepidium nitidum |
4 |
| toothed calicoflower |
Downingia cuspidata |
4 |
| toothed dock |
Rumex dentatus |
1 |
| toothed spurge |
Euphorbia dentata |
2 |
| toothed whitetop aster |
Sericocarpus asteroides |
1 |
| toothpick ammi |
Ammi visnaga |
1 |
| Torrey's yucca |
Yucca torreyi |
5 |
| touch-me-not |
Impatiens spp. |
4 |
| tower-mustard |
Arabis glabra |
8 |
| trailing fleabane |
Erigeron flagellaris |
1 |
| trailing fuzzybean |
Strophostyles umbellata |
2 |
| trailing krameria |
Krameria lanceolata |
3 |
| trailing pearlwort |
Sagina decumbens |
1 |
| Trans-Pecos cliffbrake |
Pellaea ternifolia |
5 |
| Transvaal daisy |
Gerbera spp. |
1 |
| traveler's tree |
Ravenala madagascariensis |
2 |
| triangle orach |
Atriplex prostrata |
1 |
| trillium |
Trillium spp. |
6 |
| tropic ageratum |
Ageratum conyzoides |
1 |
| tropic croton |
Croton glandulosus var. septentrionalis |
1 |
| tropical wild petunia |
Ruellia brevifolia |
1 |
| true forget-me-not |
Myosotis scorpioides |
4 |
| trumpetweed |
Eupatorium fistulosum |
1 |
| tuberous grasspink |
Calopogon tuberosus |
5 |
| tuberous grasspink |
Calopogon tuberosus var. tuberosus |
2 |
| tuberous vervain |
Verbena rigida |
6 |
| tufted alpine saxifrage |
Saxifraga caespitosa |
2 |
| tufted evening-primrose |
Oenothera cespitosa |
3 |
| tulip |
Tulipa spp. |
3 |
| tumble mustard |
Sisymbrium altissimum |
6 |
| tumble pigweed |
Amaranthus albus |
3 |
| turk's-cap lily |
Lilium superbum |
3 |
| turkeyberry |
Solanum torvum |
10 |
| turnipweed |
Rapistrum rugosum |
1 |
| twinflower |
Linnaea borealis |
4 |
| twinflower sandwort |
Minuartia obtusiloba |
2 |
| twining snoutbean |
Rhynchosia tomentosa |
1 |
| twinleaf |
Jeffersonia diphylla |
1 |
| twinleaf bedstraw |
Galium bifolium |
4 |
| two-color rabbit-tobacco |
Pseudognaphalium biolettii |
2 |
| twoflower dwarfdandelion |
Krigia biflora |
3 |
| twoleaf miterwort |
Mitella diphylla |
3 |
| twoleaf nightshade |
Solanum diphyllum |
2 |
| twoleaf senna |
Senna roemeriana |
3 |
| twoleaf watermilfoil |
Myriophyllum heterophyllum |
5 |
| umber pussytoes |
Antennaria umbrinella |
2 |
| umbrella starwort |
Stellaria umbellata |
1 |
| upright pepperweed |
Lepidium strictum |
3 |
| upright prairie coneflower |
Ratibida columnifera |
5 |
| vanillaleaf |
Carphephorus odoratissimus |
15 |
| varileaf cinquefoil |
Potentilla diversifolia |
2 |
| varileaf phacelia |
Phacelia heterophylla |
1 |
| veiny pepperweed |
Lepidium oblongum var. oblongum |
2 |
| velvetleaf |
Abutilon theophrasti |
7 |
| Venice mallow |
Hibiscus trionum |
5 |
| Venus flytrap |
Dionaea muscipula |
5 |
| Venus' chariot |
Aconitum napellus |
1 |
| Venus' pride |
Houstonia purpurea |
2 |
| venus-comb |
Scandix pecten-veneris |
1 |
| vetch |
Vicia spp. |
3 |
| villous waterclover |
Marsilea villosa |
4 |
| vinegarweed |
Trichostema lanceolatum |
1 |
| violet |
Viola spp. |
4 |
| virgate tarweed |
Holocarpha virgata |
2 |
| Virginia bluebells |
Mertensia virginica |
3 |
| Virginia copperleaf |
Acalypha virginica |
3 |
| Virginia iris |
Iris virginica |
7 |
| Virginia pennywort |
Obolaria virginica |
1 |
| Virginia pepperweed |
Lepidium virginicum |
15 |
| Virginia spiderwort |
Tradescantia virginiana |
2 |
| viscid locoweed |
Oxypolis borealis viscida |
2 |
| viscid locoweed |
Oxytropis borealis var. viscida |
9 |
| wahini noho mauna |
Adenophorus tamariscinus |
2 |
| Waianae Range nehe |
Lipochaeta tenuifolia |
3 |
| waimakanui |
Pteris excelsa |
3 |
| wall bedstraw |
Galium parisiense |
2 |
| wall lettuce |
Mycelis muralis |
16 |
| wallflower |
Erysimum spp. |
1 |
| wand goldenrod |
Solidago stricta |
5 |
| Warty St. John's wort |
Hypericum balearicum |
1 |
| Wasatch beardtongue |
Penstemon cyananthus |
3 |
| Washington lily |
Lilium washingtonianum |
8 |
| water cowbane |
Oxypolis filiformis |
3 |
| water fern |
Salvinia minima |
6 |
| water knotweed |
Polygonum amphibium |
13 |
| water speedwell |
Veronica anagallis-aquatica |
13 |
| watercress |
Nasturtium officinale |
4 |
| waterlettuce |
Pistia stratiotes |
6 |
| waterparsnip |
Sium suave |
3 |
| waterpod |
Hydrolea quadrivalvis |
1 |
| waterspider bog orchid |
Habenaria repens |
1 |
| wavyleaf gaura |
Gaura sinuata |
3 |
| wavyleaf Indian paintbrush |
Castilleja applegatei |
2 |
| wavyleaf purple coneflower |
Echinacea simulata |
3 |
| wavyleaf sea lavender |
Limonium sinuatum |
2 |
| wavyleaf thistle |
Cirsium undulatum |
3 |
| wavyleaf twinevine |
Funastrum crispum |
6 |
| waxweed |
Cuphea spp. |
1 |
| wayside speedwell |
Veronica polita |
1 |
| weak saxifrage |
Saxifraga rivularis |
2 |
| wedge sandmat |
Chamaesyce deltoidea ssp. deltoidea |
1 |
| weeping fern |
Lepisorus thunbergianus |
2 |
| West Indian nightshade |
Solanum ptycanthum |
8 |
| West Indian rattlebox |
Crotalaria trichotoma |
4 |
| western aster |
Symphyotrichum ascendens |
13 |
| western columbine |
Aquilegia formosa |
6 |
| western dock |
Rumex aquaticus var. fenestratus |
1 |
| western Indian paintbrush |
Castilleja occidentalis |
8 |
| western marsh cudweed |
Gnaphalium palustre |
4 |
| western mountain aster |
Symphyotrichum spathulatum var. spathulatum |
5 |
| western ragweed |
Ambrosia psilostachya |
1 |
| western rattlesnake plantain |
Goodyera oblongifolia |
1 |
| western red columbine |
Aquilegia elegantula |
2 |
| western salsify |
Tragopogon dubius |
15 |
| western seepweed |
Suaeda calceoliformis |
2 |
| western springbeauty |
Claytonia rosea |
1 |
| western stickseed |
Hackelia floribunda |
3 |
| western sticktight |
Lappula occidentalis |
4 |
| western sweetroot |
Osmorhiza occidentalis |
2 |
| western sweetvetch |
Hedysarum occidentale |
14 |
| western thistle |
Cirsium occidentale |
1 |
| western valerian |
Valeriana occidentalis |
5 |
| Western wallflower |
Erysimum asperum |
3 |
| western waterhemlock |
Cicuta douglasii |
6 |
| western whorled milkweed |
Asclepias subverticillata |
5 |
| whiplash saxifrage |
Saxifraga flagellaris |
3 |
| Whipple's penstemon |
Penstemon whippleanus |
14 |
| whisk fern |
Psilotum nudum |
5 |
| white baneberry |
Actaea pachypoda |
7 |
| white bergamot |
Monarda clinopodia |
3 |
| white cinquefoil |
Potentilla arguta |
7 |
| white clintonia |
Clintonia umbellulata |
2 |
| white clover |
Trifolium repens |
5 |
| white colicroot |
Aletris farinosa |
3 |
| white fringed orchid |
Platanthera blephariglottis |
1 |
| white garland-lily |
Hedychium coronarium |
3 |
| white garlic |
Allium neapolitanum |
2 |
| white hawkweed |
Hieracium albiflorum |
3 |
| white heath aster |
Symphyotrichum ericoides var. ericoides |
7 |
| white horehound |
Marrubium vulgare |
8 |
| white locoweed |
Oxytropis sericea |
15 |
| white marsh marigold |
Caltha leptosepala |
2 |
| white marsh marigold |
Caltha leptosepala ssp. leptosepala var. leptosepala |
1 |
| white mustard |
Sinapis alba |
2 |
| white panicle aster |
Symphyotrichum lanceolatum |
4 |
| white pasqueflower |
Pulsatilla occidentalis |
1 |
| white ramping fumitory |
Fumaria capreolata |
2 |
| White River coraldrops |
Besseya plantaginea |
1 |
| white snakeroot |
Ageratina altissima |
5 |
| white snakeroot |
Ageratina altissima var. altissima |
3 |
| white trillium |
Trillium grandiflorum |
14 |
| white trout lily |
Erythronium albidum |
9 |
| white turtlehead |
Chelone glabra |
4 |
| white vervain |
Verbena urticifolia |
14 |
| white violet |
Viola renifolia |
1 |
| white wand beardtongue |
Penstemon tubiflorus |
2 |
| white wild indigo |
Baptisia alba |
5 |
| whiteflower leafcup |
Polymnia canadensis |
3 |
| whitehead bogbutton |
Lachnocaulon anceps |
2 |
| whitemouth dayflower |
Commelina erecta |
1 |
| whiteplume wirelettuce |
Stephanomeria exigua ssp. coronaria |
3 |
| whitestem filaree |
Erodium moschatum |
2 |
| whitish gentian |
Gentiana algida |
9 |
| wholeleaf Indian paintbrush |
Castilleja integra |
3 |
| wholeleaf rosinweed |
Silphium integrifolium |
2 |
| wild bergamot |
Monarda fistulosa |
8 |
| wild buckwheat |
Fallopia convolvulus |
3 |
| wild bushbean |
Macroptilium lathyroides |
4 |
| wild carrot |
Daucus carota ssp. carota |
5 |
| wild chervil |
Anthriscus sylvestris |
6 |
| wild comfrey |
Cynoglossum virginianum |
8 |
| wild four-o'clock |
Mirabilis nyctaginea |
10 |
| wild garlic |
Allium vineale |
19 |
| wild geranium |
Geranium maculatum |
13 |
| wild mustard |
Sinapis arvensis |
7 |
| wild onion |
Allium canadense |
7 |
| wild parsnip |
Pastinaca sativa |
15 |
| wild petunia |
Ruellia caroliniensis |
1 |
| wild radish |
Raphanus raphanistrum |
4 |
| wild senna |
Senna marilandica |
1 |
| wild strawberry |
Fragaria virginiana |
3 |
| wild yam |
Dioscorea villosa |
4 |
| willowleaf lettuce |
Lactuca saligna |
3 |
| windflower |
Anemone rivularis |
1 |
| windmill fringed gentian |
Gentianopsis detonsa ssp. detonsa |
9 |
| winged buckwheat |
Eriogonum alatum |
1 |
| winged waterprimrose |
Ludwigia decurrens |
2 |
| winged yam |
Dioscorea alata |
22 |
| witchweed |
Striga asiatica |
2 |
| witchweed |
Striga spp. |
7 |
| Wolf's saltweed |
Atriplex wolfii |
3 |
| wondering cowpea |
Vigna speciosa |
1 |
| wood lily |
Lilium philadelphicum |
4 |
| wood wakerobin |
Trillium viride |
3 |
| woodland groundsel |
Senecio sylvaticus |
8 |
| woodland pinedrops |
Pterospora andromedea |
7 |
| woodland stonecrop |
Sedum ternatum |
5 |
| woodland sunflower |
Helianthus divaricatus |
3 |
| woolly croton |
Croton capitatus |
2 |
| woolly distaff thistle |
Carthamus lanatus |
2 |
| woolly plantain |
Plantago patagonica |
1 |
| woolly ragwort |
Packera tomentosa |
7 |
| woolly sunbonnets |
Chaptalia tomentosa |
8 |
| woollypod milkweed |
Asclepias eriocarpa |
1 |
| wormleaf stonecrop |
Sedum stenopetalum |
1 |
| wreath goldenrod |
Solidago caesia |
1 |
| Wyoming Indian paintbrush |
Castilleja linariifolia |
25 |
| yankeeweed |
Eupatorium compositifolium |
1 |
| yellow 'lima |
Sida fallax |
45 |
| yellow avalanche-lily |
Erythronium grandiflorum |
4 |
| yellow avens |
Geum aleppicum |
1 |
| yellow bedstraw |
Galium verum |
2 |
| yellow butterwort |
Pinguicula lutea |
4 |
| yellow chamomile |
Anthemis tinctoria |
2 |
| yellow colicroot |
Aletris lutea |
13 |
| yellow fieldcress |
Rorippa sylvestris |
1 |
| yellow fringed orchid |
Platanthera ciliaris |
7 |
| yellow glandweed |
Parentucellia viscosa |
7 |
| yellow lady's slipper |
Cypripedium parviflorum |
6 |
| yellow mariposa lily |
Calochortus luteus |
1 |
| yellow marsh marigold |
Caltha palustris |
10 |
| yellow owl's-clover |
Orthocarpus luteus |
5 |
| yellow passionflower |
Passiflora lutea |
2 |
| yellow pitcherplant |
Sarracenia flava |
25 |
| yellow puff |
Neptunia lutea |
1 |
| yellow rocket |
Barbarea vulgaris |
8 |
| yellow starthistle |
Centaurea solstitialis |
66 |
| yellow sweetclover |
Melilotus officinalis |
34 |
| yellow thistle |
Cirsium horridulum |
10 |
| yellow toadflax |
Linaria vulgaris |
40 |
| yellow trout lily |
Erythronium americanum |
20 |
| yellow trumpet |
Sarracenia alata |
3 |
| yellow unicorn-plant |
Ibicella lutea |
3 |
| yellow wakerobin |
Trillium luteum |
3 |
| yellow wall bedstraw |
Galium murale |
2 |
| yellow wild indigo |
Baptisia sphaerocarpa |
1 |
| yellow woodsorrel |
Oxalis stricta |
5 |
| yellowdot saxifrage |
Saxifraga bronchialis |
8 |
| yellowflag iris |
Iris pseudacorus |
13 |
| yellowspine thistle |
Cirsium ochrocentrum |
4 |
| zigzag larkspur |
Delphinium patens |
1 |
| zigzag spiderwort |
Tradescantia subaspera |
3 |
| zizotes milkweed |
Asclepias oenotheroides |
2 |
| Zulu giant |
Stapelia gigantea |
1 |
