| boneset |
Eupatorium perfoliatum |
3 |
| bull thistle |
Cirsium vulgare |
2 |
| Canada thistle |
Cirsium arvense |
5 |
| chicory |
Cichorium intybus |
3 |
| common burdock |
Arctium minus |
2 |
| common ragweed |
Ambrosia artemisiifolia |
1 |
| common yarrow |
Achillea millefolium |
1 |
| dandelion |
Taraxacum officinale |
1 |
| dandelion |
Taraxacum spp. |
1 |
| giant ironweed |
Vernonia gigantea gigantea |
2 |
| giant ragweed |
Ambrosia trifida |
2 |
| goatsbeard |
Tragopogon spp. |
1 |
| goldenrod |
Solidago spp. |
3 |
| hairy cat's ear |
Hypochaeris radicata |
2 |
| hawkweeds |
Hieracium spp. |
1 |
| Jerusalem artichoke |
Helianthus tuberosus |
3 |
| joe pye weed |
Eupatoriadelphus spp. |
1 |
| mugwort |
Artemisia vulgaris |
3 |
| musk thistle |
Carduus nutans |
1 |
| orange hawkweed |
Hieracium aurantiacum |
3 |
| oxeye daisy |
Leucanthemum vulgare |
2 |
| perennial sowthistle |
Sonchus arvensis |
2 |
| prickly lettuce |
Lactuca serriola |
5 |
| spotted joe pye weed |
Eupatoriadelphus maculatus |
1 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
3 |
| tall lettuce |
Lactuca canadensis |
1 |
| western salsify |
Tragopogon dubius |
2 |
| white heath aster |
Symphyotrichum ericoides var. ericoides |
3 |
| yellow hawkweed |
Hieracium fendleri |
1 |