| annual sowthistle |
Sonchus oleraceus |
1 |
| blue mistflower |
Conoclinium coelestinum |
1 |
| brown knapweed |
Centaurea jacea |
2 |
| bull thistle |
Cirsium vulgare |
1 |
| Canada goldenrod |
Solidago canadensis var. scabra |
4 |
| Canada thistle |
Cirsium arvense |
1 |
| climbing aster |
Ampelaster carolinianus |
2 |
| common cocklebur |
Xanthium strumarium |
2 |
| common sunflower |
Helianthus annuus |
2 |
| common tansy |
Tanacetum vulgare |
1 |
| cup rosinweed |
Silphium perfoliatum |
6 |
| eastern baccharis |
Baccharis halimifolia |
1 |
| eclipta |
Eclipta prostrata |
1 |
| elephantsfoot |
Elephantopus spp. |
2 |
| false chamomile |
Tripleurospermum perforatum |
4 |
| Fitch's tarweed |
Hemizonia fitchii |
1 |
| Georgia aster |
Symphyotrichum georgianum |
1 |
| giant ragweed |
Ambrosia trifida |
1 |
| goatsbeard |
Tragopogon spp. |
1 |
| gray goldenrod |
Solidago nemoralis |
2 |
| hairy fleabane |
Conyza bonariensis |
1 |
| hairy goldenrod |
Solidago hispida |
2 |
| hawkweeds |
Hieracium spp. |
1 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
1 |
| Jerusalem artichoke |
Helianthus tuberosus |
3 |
| joe pye weed |
Eupatoriadelphus spp. |
1 |
| lettuce |
Lactuca sativa |
1 |
| meadow hawkweed |
Hieracium caespitosum |
2 |
| mountain thistle |
Cirsium scopulorum |
1 |
| musk thistle |
Carduus nutans |
2 |
| New York ironweed |
Vernonia noveboracensis |
1 |
| nodding beggarticks |
Bidens cernua |
1 |
| perennial sowthistle |
Sonchus arvensis |
1 |
| pink bogbutton |
Sclerolepis uniflora |
1 |
| prickly lettuce |
Lactuca serriola |
1 |
| purplestem aster |
Symphyotrichum puniceum |
1 |
| rough goldenrod |
Solidago rugosa |
1 |
| roundleaf thoroughwort |
Eupatorium rotundifolium |
1 |
| scaly blazing star |
Liatris squarrosa |
1 |
| spiny sowthistle |
Sonchus asper |
1 |
| spotted knapweed |
Centaurea stoebe |
1 |
| sunflower |
Helianthus spp. |
1 |
| swamp sunflower |
Helianthus angustifolius |
1 |
| sweet joepyeweed |
Eupatorium purpureum |
1 |
| tall beggarticks |
Bidens vulgata |
1 |
| tall ironweed |
Vernonia gigantea |
4 |
| tall lettuce |
Lactuca canadensis |
1 |
| wall lettuce |
Mycelis muralis |
4 |
| western salsify |
Tragopogon dubius |
1 |
| white snakeroot |
Ageratina altissima |
1 |
| yarrow |
Achillea aegyptiaca |
1 |
