| Achillea | YARROW | 3 |
| Acroptilon | | 1 |
| Ageratina | SNAKEROOT | 2 |
| Amberboa | | 1 |
| Ambrosia | RAGWEED | 4 |
| Amphiachyris | | 1 |
| Anaphalis | | 1 |
| Antennaria | PUSSYTOES | 10 |
| Anthemis | CHAMOMILE | 2 |
| Arctium | | 2 |
| Arnoglossum | INDIAN PLANTAIN | 3 |
| Artemisia | SAGEBRUSH | 11 |
| Aster | | 1 |
| Bellis | | 1 |
| Bidens | BEGGARTICKS | 12 |
| Boltonia | DOLL'S-DAISY | 4 |
| Brickellia | BRICKELLBUSH | 3 |
| Carduus | | 3 |
| Carthamus | | 1 |
| Centaurea | KNAPWEED | 8 |
| Chamaemelium | | 1 |
| Chondrilla | | 1 |
| Cichorium | CHICORY | 1 |
| Cirsium | THISTLE | 11 |
| Conoclinium | THOROUGHWORT | 1 |
| Conyza | HORSEWEED | 2 |
| Coreopsis | TICKSEED | 8 |
| Cosmos | cosmos | 1 |
| Cota | | 1 |
| Crepis | HAWKSBEARD | 3 |
| Cyclachaena | | 1 |
| Doellingeria | WHITE TOP | 2 |
| Dyssodia | | 1 |
| Echinacea | PURPLE CONEFLOWER | 3 |
| Echinops | | 1 |
| Eclipta | ECLIPTA | 1 |
| Elephantopus | ELEPHANTSFOOT | 1 |
| Erechtites | BURNWEED | 2 |
| Erigeron | FLEABANE | 7 |
| Eupatorium | THOROUGHWORT | 14 |
| Eurybia | GRASS-LEAF ASTER | 4 |
| Euthamia | GOLDENTOP | 4 |
| Eutrochium | | 4 |
| Fleischmannia | THOROUGHWORT | 1 |
| Gaillardia | BLANKETFLOWER | 3 |
| Galinsoga | GALLANT-SOLDIER | 3 |
| Gamochaeta | EVERLASTING | 1 |
| Gnaphalium | | 1 |
| Grindelia | | 2 |
| Hasteola | FALSE INDIAN PLANTAIN | 1 |
| Helenium | SNEEZEWEED | 5 |
| Helianthus | SUNFLOWER | 29 |
| Heliopsis | OXEYE | 3 |
| Heterotheca | FALSE GOLDENASTER | 4 |
| Hieracium | HAWKWEED | 10 |
| Hymenopappus | HYMENOPAPPUS | 2 |
| Hypochaeris | CATSEAR | 1 |
| Inula | | 1 |
| Ionactis | ASTER | 1 |
| Iva | MARSHELDER | 2 |
| Krigia | DWARFDANDELION | 5 |
| Lactuca | LETTUCE | 9 |
| Lapsana | | 1 |
| Leontodon | | 3 |
| Leucanthemum | CHRYSANTHEMUM; OXEYEDAISY | 1 |
| Liatris | GAYFEATHER | 14 |
| Lygodesmia | ROSE-RUSH | 1 |
| Madia | | 1 |
| Matricaria | | 2 |
| Mikania | HEMPVINE | 1 |
| Mulgedium | | 1 |
| Oligoneuron | Goldenrod | 1 |
| Onopordum | COTTONTHISTLE | 2 |
| Packera | PACKERA | 9 |
| Parthenium | FEVERFEW | 1 |
| Petasites | | 1 |
| Picris | | 1 |
| Pluchea | CAMPHORWEED | 3 |
| Polymnia | LEAFCUP | 1 |
| Prenanthes | RATTLESNAKEROOT | 6 |
| Pseudognaphalium | CUDWEED | 3 |
| Pyrrhopappus | DESERTCHICORY | 1 |
| Ratibida | PRAIRIE CONEFLOWER | 2 |
| Rudbeckia | CONEFLOWER | 16 |
| Senecio | RAGWORT | 2 |
| Sericocarpus | WHITETOP ASTER | 1 |
| Silphium | ROSINWEED | 13 |
| Silybum | | 1 |
| Smallanthus | SMALLANTHUS | 1 |
| Solidago | GOLDENROD | 49 |
| Sonchus | SOWTHISTLE | 5 |
| Symphyotrichum | ASTER | 47 |
| Tanacetum | | 3 |
| Taraxacum | DANDELION | 2 |
| Thelesperma | | 1 |
| Tragopogon | | 4 |
| Tripleurospermum | | 1 |
| Tussilago | | 1 |
| Verbesina | CROWNBEARD | 3 |
| Vernonia | IRONWEED | 6 |
| Xanthium | COCKLEBURR | 2 |