| Aleutian wormwood |
Artemisia aleutica |
1 |
| alpine sagewort |
Artemisia norvegica |
2 |
| boneset |
Eupatorium perfoliatum |
1 |
| California goldfields |
Lasthenia californica |
1 |
| climbing aster |
Ampelaster carolinianus |
1 |
| climbing hempweed |
Mikania scandens |
1 |
| common sunflower |
Helianthus annuus |
2 |
| croftonweed |
Ageratina adenophora |
1 |
| Georgia aster |
Symphyotrichum georgianum |
1 |
| hairy chaffhead |
Carphephorus paniculatus |
1 |
| Hill's thistle |
Cirsium hillii |
1 |
| musk thistle |
Carduus nutans |
1 |
| New York ironweed |
Vernonia noveboracensis |
1 |
| oxeye daisy |
Leucanthemum vulgare |
1 |
| pink bogbutton |
Sclerolepis uniflora |
1 |
| prickly lettuce |
Lactuca serriola |
1 |
| rayless sunflower |
Helianthus radula |
1 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| scaly blazing star |
Liatris squarrosa |
1 |
| Senegal tea plant |
Gymnocoronis spilanthoides |
3 |
| smooth tidytips |
Layia chrysanthemoides |
1 |
| stemless thistle |
Cirsium tioganum |
1 |
| sunflower |
Helianthus spp. |
1 |
| tall ironweed |
Vernonia angustifolia |
1 |
| wand goldenrod |
Solidago stricta |
1 |
| yellow starthistle |
Centaurea solstitialis |
1 |