| 104 Images of 64 Subjects | View Subject List | View Image Descriptions | View Thumbnails |
| 104 Images |
1355037 yellow starthistle Centaurea solstitialis Flower(s) Stephen Ausmus |
0021033 diffuse knapweed Centaurea diffusa Flower(s) Norman E. Rees |
1381001 Benghal dayflower Commelina benghalensis Flower(s) Herb Pilcher |
0021031 diffuse knapweed Centaurea diffusa Flower(s) Norman E. Rees |
1316001 yellow starthistle Centaurea solstitialis Flower(s) Peggy Greb |
0022046 yellow starthistle Centaurea solstitialis Flower(s) Charles Turner |
0024036 musk thistle Carduus nutans Flower(s) Norman E. Rees |
0021032 diffuse knapweed Centaurea diffusa Flower(s) USDA Agricultural Research Service Archive |
0025042 purple loosestrife Lythrum salicaria Flower(s) Norman E. Rees |
0023009 common St. Johnswort Hypericum perforatum Flower(s) Norman E. Rees |
1116097 red sesbania Sesbania punicea Flower(s) Charles T. Bryson |
0021002 field bindweed Convolvulus arvensis Flower(s) Norman E. Rees |
0021092 purple loosestrife Lythrum salicaria Flower(s) Norman E. Rees |
4723003 alligatorweed Alternanthera philoxeroides Flower(s) Gary Buckingham |
1392220 barnyardgrass Echinochloa crus-galli Flower(s) Charles T. Bryson |
1116095 mimosa Albizia julibrissin Flower(s) Charles T. Bryson |
1116083 leafy spurge Euphorbia esula Flower(s) Norman E. Rees |
2254059 tropical soda apple Solanum viarum Flower(s) Charles T. Bryson |
0021034 spotted knapweed Centaurea stoebe ssp. micranthos Flower(s) Norman E. Rees |
2153062 meadow hawkweed Hieracium caespitosum Flower(s) USDA Agricultural Research Service Archive |
0024065 purple loosestrife Lythrum salicaria Flower(s) Norman E. Rees |
1116049 Japanese honeysuckle Lonicera japonica Flower(s) Charles T. Bryson |
1392225 johnsongrass Sorghum halepense Flower(s) Charles T. Bryson |
1117063 deeprooted sedge Cyperus entrerianus Flower(s) Charles T. Bryson |
1316066 Dyer's woad Isatis tinctoria Flower(s) Keith Weller |
1355011 skunk-vine Paederia foetida Flower(s) Peggy Greb |
0022074 purple loosestrife Lythrum salicaria Flower(s) Norman E. Rees |
0021001 field bindweed Convolvulus arvensis Flower(s) Norman E. Rees |
1117062 deeprooted sedge Cyperus entrerianus Flower(s) Charles T. Bryson |
0022045 yellow starthistle Centaurea solstitialis Flower(s) Charles Turner |
0024019 Canada thistle Cirsium arvense Flower(s) Norman E. Rees |
1317078 yellow starthistle Centaurea solstitialis Flower(s) Keith Weller |
2153100 sulfur cinquefoil Potentilla recta Flower(s) USDA Agricultural Research Service Archive |
0022044 yellow starthistle Centaurea solstitialis Flower(s) Charles Turner |
1117035 bloodscale sedge Cyperus sanguinolentus Flower(s) Charles T. Bryson |
1392212 bermudagrass Cynodon dactylon Flower(s) Charles T. Bryson |
1392209 goosegrass Eleusine indica Flower(s) Charles T. Bryson |
1117099 deeprooted sedge Cyperus entrerianus Flower(s) Charles T. Bryson |
1117031 bloodscale sedge Cyperus sanguinolentus Flower(s) Charles T. Bryson |
1116058 swamp morningglory Ipomoea aquatica Flower(s) Charles T. Bryson |
1116060 swamp morningglory Ipomoea aquatica Flower(s) Charles T. Bryson |
0023061 sulfur cinquefoil Potentilla recta Flower(s) USDA Agricultural Research Service Archive |
1392219 barnyardgrass Echinochloa crus-galli Flower(s) Charles T. Bryson |
1392210 barnyardgrass Echinochloa crus-galli Flower(s) Charles T. Bryson |
1381002 Benghal dayflower Commelina benghalensis Flower(s) Theodore Webster |
2100024 Japanese honeysuckle Lonicera japonica Flower(s) Charles T. Bryson |
1316007 kudzu Pueraria montana var. lobata Flower(s) Peggy Greb |
1117036 bloodscale sedge Cyperus sanguinolentus Flower(s) Charles T. Bryson |
1116059 swamp morningglory Ipomoea aquatica Flower(s) Charles T. Bryson |
1555041 reed canarygrass Phalaris arundinacea Flower(s) Theodore Webster |
1560133 trumpetcreeper Campsis radicans Flower(s) Theodore Webster |
1560128 trumpetcreeper Campsis radicans Flower(s) Theodore Webster |
1560129 trumpetcreeper Campsis radicans Flower(s) Theodore Webster |
1551056 hawkweeds Hieracium spp. Flower(s) Theodore Webster |
1550285 garlic mustard Alliaria petiolata Flower(s) Theodore Webster |
1550220 wild four-o'clock Mirabilis nyctaginea Flower(s) Theodore Webster |
1550212 red sorrel Rumex acetosella Flower(s) Theodore Webster |
1550120 tawny daylily Hemerocallis fulva Flower(s) Theodore Webster |
1559363 jewelweed Impatiens capensis Flower(s) Theodore Webster |
1559266 perennial sowthistle Sonchus arvensis Flower(s) Theodore Webster |
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