| annual sowthistle |
Sonchus oleraceus |
1 |
| bermudagrass |
Cynodon dactylon |
2 |
| bittersweet nightshade |
Solanum dulcamara |
1 |
| bull thistle |
Cirsium vulgare |
1 |
| common mullein |
Verbascum thapsus |
1 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| curly dock |
Rumex crispus |
1 |
| Dyer's woad |
Isatis tinctoria |
4 |
| field bindweed |
Convolvulus arvensis |
1 |
| field pennycress |
Thlaspi arvense |
1 |
| goatsrue |
Galega officinalis |
1 |
| hoary cress |
Lepidium draba |
2 |
| johnsongrass |
Sorghum halepense |
2 |
| knapweeds |
Centaurea spp. |
1 |
| leafy spurge |
Euphorbia esula |
1 |
| medusahead |
Taeniatherum caput-medusae |
3 |
| Mexican fireweed |
Kochia scoparia |
2 |
| myrtle spurge |
Euphorbia myrsinites |
1 |
| perennial pepperweed |
Lepidium latifolium |
1 |
| perennial sowthistle |
Sonchus arvensis |
3 |
| poison-hemlock |
Conium maculatum |
1 |
| prickly lettuce |
Lactuca serriola |
1 |
| puncturevine |
Tribulus terrestris |
1 |
| purple loosestrife |
Lythrum salicaria |
1 |
| quackgrass |
Elymus repens |
1 |
| Russian knapweed |
Rhaponticum repens |
1 |
| Russian-thistle |
Salsola tragus |
1 |
| spiny sowthistle |
Sonchus asper |
2 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
1 |
| squarrose knapweed |
Centaurea virgata |
1 |
| stinkgrass |
Eragrostis cilianensis |
1 |
| tamarisk |
Tamarix spp. |
1 |
| twolobe speedwell |
Veronica biloba |
1 |
| wild oat |
Avena fatua |
2 |
| yellow starthistle |
Centaurea solstitialis |
3 |
