Select a Genus
- Acamptopappus (2 species)
- Acanthospermum (1 species)
- Achillea (2 species)
- Achyrachaena (1 species)
- Acmella (1 species)
- Acourtia (5 species)
- Adeia (1 species)
- Adenocaulon (1 species)
- Adenophyllum (4 species)
- Adenostemma (2 species)
- Adiaphila (1 species)
- Ageratina (13 species)
- Ageratum (3 species)
- Agnorhiza (5 species)
- Agoseris (9 species)
- Aldama (2 species)
- Almutaster (1 species)
- Amblyolepis (1 species)
- Amblyopappus (1 species)
- Ambrosia (26 species)
- Ampelaster (1 species)
- Amphiachyris (2 species)
- Amphipappus (1 species)
- Anacis (6 species)
- Anaphalis (1 species)
- Ancistrocarphus (1 species)
- Anisocarpus (1 species)
- Anisocoma (1 species)
- Antennaria (37 species)
- Aphanostephus (4 species)
- Argyroxiphium (6 species)
- Arnica (26 species)
- Arnoglossum (7 species)
- Artemisia (54 species)
- Asanthus (1 species)
- Askellia (2 species)
- Aster (1 species)
- Astranthium (2 species)
- Atrichoseris (1 species)
- Baccharis (22 species)
- Bahiopsis (3 species)
- Baileya (3 species)
- Balduina (3 species)
- Balsamorhiza (13 species)
- Barkleyanthus (1 species)
- Bartlettia (1 species)
- Bebbia (1 species)
- Benitoa (1 species)
- Berlandiera (5 species)
- Berylsimpsonia (1 species)
- Bidens (44 species)
- Bigelowia (2 species)
- Blennosperma (2 species)
- Blepharipappus (1 species)
- Blepharizonia (2 species)
- Boltonia (6 species)
- Borrichia (2 species)
- Bradburia (1 species)
- Brickellia (34 species)
- Brickelliastrum (1 species)
- Brintonia (1 species)
- Cacaliopsis (1 species)
- Calycadenia (10 species)
- Calycoseris (2 species)
- Canadanthus (1 species)
- Carlquistia (1 species)
- Carminatia (1 species)
- Carphephorus (5 species)
- Carphochaete (1 species)
- Centaurea (1 species)
- Centromadia (3 species)
- Chaenactis (17 species)
- Chaetadelpha (1 species)
- Chaetopappa (8 species)
- Chamaechaenactis (1 species)
- Chaptalia (5 species)
- Chloracantha (1 species)
- Chromolaena (9 species)
- Chrysactinia (1 species)
- Chrysanthemum (1 species)
- Chrysogonum (1 species)
- Chrysoma (1 species)
- Chrysopsis (10 species)
- Chrysothamnus (9 species)
- Cirsium (73 species)
- Clappia (1 species)
- Clibadium (1 species)
- Columbiadoria (1 species)
- Condylidium (1 species)
- Conoclinium (3 species)
- Constancea (1 species)
- Coreocarpus (1 species)
- Coreopsis (19 species)
- Corethrogyne (1 species)
- Cosmos (2 species)
- Crepis (9 species)
- Critonia (1 species)
- Crocidium (1 species)
- Croptilon (2 species)
- Cuniculotinus (1 species)
- Deinandra (16 species)
- Delwiensia (1 species)
- Diaperia (2 species)
- Dichaetophora (1 species)
- Dicoria (1 species)
- Dicranocarpus (1 species)
- Dieteria (3 species)
- Dimeresia (1 species)
- Doellingeria (12 species)
- Dubautia (26 species)
- Dysodiopsis (1 species)
- Dyssodia (1 species)
- Eastwoodia (1 species)
- Eatonella (1 species)
- Echinacea (9 species)
- Eclipta (1 species)
- Egletes (1 species)
- Elephantopus (5 species)
- Emilia (1 species)
- Encelia (8 species)
- Enceliopsis (3 species)
- Enydra (1 species)
- Ericameria (34 species)
- Erigeron (174 species)
- Eriophyllum (13 species)
- Eupatorium (23 species)
- Euphrosyne (4 species)
- Eurybia (28 species)
- Euthamia (6 species)
- Eutrochium (5 species)
- Filago (3 species)
- Flaveria (8 species)
- Fleischmannia (4 species)
- Florestina (1 species)
- Flourensia (2 species)
- Flyriella (1 species)
- Gaillardia (11 species)
- Galinsogeopsis (3 species)
- Gamochaeta (7 species)
- Garberia (1 species)
- Geraea (2 species)
- Glyptopleura (2 species)
- Gnaphalium (3 species)
- Grindelia (24 species)
- Guardiola (1 species)
- Gundlachia (1 species)
- Gutierrezia (10 species)
- Gymnosperma (1 species)
- Haploesthes (1 species)
- Harmonia (5 species)
- Hartwrightia (1 species)
- Hasteola (2 species)
- Hazardia (5 species)
- Hebeclinium (1 species)
- Hecastocleis (1 species)
- Hedosyne (1 species)
- Helenium (17 species)
- Helianthella (6 species)
- Helianthus (61 species)
- Heliomeris (4 species)
- Heliopsis (3 species)
- Helodeaster (3 species)
- Hemizonella (1 species)
- Hemizonia (1 species)
- Hesperevax (3 species)
- Hesperomannia (2 species)
- Heterosperma (1 species)
- Heterotheca (18 species)
- Hieracium (30 species)
- Holocarpha (4 species)
- Holozonia (1 species)
- Hulsea (7 species)
- Hymenopappus (10 species)
- Hymenothrix (6 species)
- Hymenoxys (18 species)
- Ionactis (5 species)
- Isocoma (10 species)
- Iva (9 species)
- Jacobaea (2 species)
- Jamesianthus (1 species)
- Jaumea (1 species)
- Jefea (1 species)
- Jensia (2 species)
- Koanophyllon (5 species)
- Krigia (6 species)
- Kyhosia (1 species)
- Lactuca (8 species)
- Laennecia (6 species)
- Lagascea (1 species)
- Lagophylla (5 species)
- Laphamia (29 species)
- Lasianthaea (1 species)
- Lasthenia (17 species)
- Launaea (1 species)
- Layia (14 species)
- Leibnitzia (1 species)
- Lepidaploa (3 species)
- Lepidospartum (3 species)
- Leptosyne (7 species)
- Lessingia (12 species)
- Leucosyris (5 species)
- Liatris (47 species)
- Lindheimera (1 species)
- Lipochaeta (20 species)
- Lorandersonia (6 species)
- Luina (2 species)
- Lygodesmia (9 species)
- Machaeranthera (2 species)
- Madia (10 species)
- Malacothrix (18 species)
- Malperia (1 species)
- Marshallia (8 species)
- Matricaria (1 species)
- Medranoa (1 species)
- Melampodium (5 species)
- Melanoseris (1 species)
- Melanthera (2 species)
- Micropus (2 species)
- Microseris (11 species)
- Mikania (9 species)
- Monolopia (5 species)
- Monoptilon (2 species)
- Munzothamnus (1 species)
- Nabalus (13 species)
- Nahuatlea (1 species)
- Nestotus (2 species)
- Neurolaena (1 species)
- Nicolletia (2 species)
- Nothocalais (4 species)
- Oclemena (4 species)
- Omalotheca (1 species)
- Oonopsis (4 species)
- Oreochrysum (1 species)
- Oreostemma (3 species)
- Orochaenactis (1 species)
- Osmadenia (1 species)
- Packera (58 species)
- Palafoxia (10 species)
- Parasenecio (1 species)
- Parthenice (1 species)
- Parthenium (7 species)
- Pectis (18 species)
- Pentachaeta (6 species)
- Pericome (1 species)
- Perityle (3 species)
- Petasites (1 species)
- Petradoria (1 species)
- Peucephyllum (1 species)
- Phalacroseris (1 species)
- Phoebanthus (2 species)
- Picradeniopsis (5 species)
- Picris (1 species)
- Pinaropappus (2 species)
- Piptocarpha (1 species)
- Piptocoma (2 species)
- Pityopsis (7 species)
- Plateilema (1 species)
- Platyschkuhria (1 species)
- Plectocephalus (2 species)
- Pleiacanthus (1 species)
- Pleurocoronis (1 species)
- Pluchea (9 species)
- Polymnia (4 species)
- Porophyllum (6 species)
- Prenanthella (1 species)
- Psacalium (1 species)
- Psathyrotes (3 species)
- Psathyrotopsis (1 species)
- Pseudelephantopus (1 species)
- Pseudobahia (3 species)
- Pseudoclappia (2 species)
- Pseudognaphalium (16 species)
- Psilactis (5 species)
- Psilocarphus (4 species)
- Psilostrophe (5 species)
- Pterocaulon (3 species)
- Pyrrhopappus (3 species)
- Pyrrocoma (15 species)
- Rafinesquia (2 species)
- Raillardella (3 species)
- Rainiera (1 species)
- Ratibida (4 species)
- Rayjacksonia (3 species)
- Remya (3 species)
- Rigiopappus (1 species)
- Rolandra (1 species)
- Roldana (1 species)
- Rudbeckia (23 species)
- Rugelia (1 species)
- Sachsia (1 species)
- Salmea (1 species)
- Sanvitalia (2 species)
- Sartwellia (1 species)
- Saussurea (7 species)
- Scabrethia (1 species)
- Sclerocarpus (1 species)
- Sclerolepis (1 species)
- Senecio (43 species)
- Sericocarpus (5 species)
- Shinnersia (1 species)
- Shinnersoseris (1 species)
- Sidneya (1 species)
- Silphidium (1 species)
- Silphium (18 species)
- Simsia (2 species)
- Smallanthus (1 species)
- Solidago (80 species)
- Sphagneticola (1 species)
- Spiracantha (1 species)
- Stebbinsoseris (2 species)
- Stenotus (2 species)
- Stephanomeria (14 species)
- Stevia (7 species)
- Stokesia (1 species)
- Struchium (1 species)
- Stylocline (7 species)
- Symphyotrichum (84 species)
- Synedrella (1 species)
- Syntrichopappus (2 species)
- Tagetes (2 species)
- Tamaulipa (1 species)
- Tanacetum (2 species)
- Taraxacum (5 species)
- Tephroseris (4 species)
- Tetradymia (10 species)
- Tetragonotheca (4 species)
- Tetramolopium (11 species)
- Tetraneuris (9 species)
- Thelesperma (10 species)
- Thurovia (1 species)
- Thymophylla (8 species)
- Tithonia (1 species)
- Toiyabea (4 species)
- Tonestus (2 species)
- Townsendia (25 species)
- Tracyina (1 species)
- Tragopogon (1 species)
- Trichocoronis (1 species)
- Trichoptilium (1 species)
- Trilisa (2 species)
- Tripleurospermum (1 species)
- Trixis (2 species)
- Uropappus (1 species)
- Varilla (1 species)
- Venegasia (1 species)
- Verbesina (17 species)
- Vernonia (23 species)
- Viguiera (1 species)
- Wedelia (5 species)
- Wilkesia (2 species)
- Wollastonia (1 species)
- Wyethia (11 species)
- Xanthisma (9 species)
- Xanthium (1 species)
- Xylorhiza (8 species)
- Xylothamia (1 species)
- Yermo (1 species)
- Zaluzania (1 species)
- Zinnia (4 species)