| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Asteraceae | Acanthospermum | Paraguay Bur | | | 
|
| Asteraceae | Achillea | Yarrow, Milfoil, Thousand-leaf | | | 
|
| Asteraceae | Acmella | Spotflower | | | 
|
| Asteraceae | Acourtia | Desert-peony | | | 
|
| Asteraceae | Ageratina | Milk-poison, White Snakeroot | | | 
|
| Asteraceae | Ageratum | Ageratum, Flossflower, Pussyfoot | | | 
|
| Asteraceae | Amblyolepis | Huisache-daisy | | | 
|
| Asteraceae | Ambrosia | Ragweed | | | 
|
| Asteraceae | Ampelaster | Climbing-aster | | | 
|
| Asteraceae | Amphiachyris | Broomweed | | | 
|
| Asteraceae | Anacyclus | Pellitory | | | 
|
| Asteraceae | Anaphalis | Pearly-everlasting | | | 
|
| Asteraceae | Antennaria | Pussytoes | | | 
|
| Asteraceae | Anthemis | Chamomile | | | 
|
| Asteraceae | Aphanostephus | Doze-daisy | | | 
|
| Asteraceae | Arctium | Burdock, Clotbur | | | 
|
| Asteraceae | Arctotis | African-daisy, Arctotis | | | 
|
| Asteraceae | Arnica | Arnica | | | 
|
| Asteraceae | Arnoglossum | Indian-plantain | | | 
|
| Asteraceae | Arnoseris | | | | 
|
| Asteraceae | Artemisia | Wormwood, Mugwort, Sage | | | 
|
| Asteraceae | Aster | Aster | | | 
|
| Asteraceae | Astranthium | Western-daisy | | | 
|
| Asteraceae | Baccharis | Silverling, High-tide Bush, Mullet Bush, Groundsel Tree, Baccharis | | | 
|
| Asteraceae | Balduina | Honeycomb-head, Balduina | | | 
|
| Asteraceae | Bellis | English Daisy | | | 
|
| Asteraceae | Berlandiera | Green-eyes | | | 
|
| Asteraceae | Bidens | Beggar-ticks, Bur-marigold | | | 
|
| Asteraceae | Bigelowia | Rayless-goldenrod | | | 
|
| Asteraceae | Boltonia | Doll's-daisy | | | 
|
| Asteraceae | Borrichia | Seaside Oxeye | | | 
|
| Asteraceae | Bradburia | Golden-aster | | | 
|
| Asteraceae | Brickellia | False-boneset, Brickell-bush | | | 
|
| Asteraceae | Calendula | Marigold | | | 
|
| Asteraceae | Callistephus | Chinese-Aster | | | 
|
| Asteraceae | Calotis | | | | 
|
| Asteraceae | Calyptocarpus | Straggler-daisy, Lawnflower | | | 
|
| Asteraceae | Carduus | Plumeless Thistle | | | 
|
| Asteraceae | Carlina | Carline Thistle | | | 
|
| Asteraceae | Carphephorus | | | | 
|
| Asteraceae | Carthamus | Distaff-thistle | | | 
|
| Asteraceae | Centaurea | Star-thistle, Knapweed | | | 
|
| Asteraceae | Centipeda | | | | 
|
| Asteraceae | Centratherum | Larkdaisy | | | 
|
| Asteraceae | Chaetopappa | Least-daisy | | | 
|
| Asteraceae | Chamaemelum | Chamomile | | | 
|
| Asteraceae | Chaptalia | Sunbonnets | | | 
|
| Asteraceae | Chevreulia | Chevreulia | | | 
|
| Asteraceae | Chloracantha | | | | 
|
| Asteraceae | Chondrilla | Skeleton-weed | | | 
|
| Asteraceae | Chromolaena | | | | 
|
| Asteraceae | Chrysanthemum | Chrysanthemum | | | 
|
| Asteraceae | Chrysogonum | Green-and-gold | | | 
|
| Asteraceae | Chrysoma | Woody Goldenrod | | | 
|
| Asteraceae | Chrysopsis | Golden-aster | | | 
|
| Asteraceae | Cicerbita | | | | 
|
| Asteraceae | Cichorium | Chicory | | | 
|
| Asteraceae | Cirsium | Thistle | | | 
|
| Asteraceae | Cladanthus | | | | 
|
| Asteraceae | Clappia | | | | 
|
| Asteraceae | Conoclinium | Mistflower | | | 
|
| Asteraceae | Coreopsis | Coreopsis, Tickseed | | | 
|
| Asteraceae | Cosmos | Cosmos | | | 
|
| Asteraceae | Cota | Golden Marguerite | | | 
|
| Asteraceae | Cotula | Brassbuttons | | | 
|
| Asteraceae | Crassocephalum | | | | 
|
| Asteraceae | Crepis | Hawksbeard | | | 
|
| Asteraceae | Croptilon | Scratch-daisy | | | 
|
| Asteraceae | Cyanthillium | Ironweed | | | 
|
| Asteraceae | Cyanus | Cornflower, Bachelor’s-buttons | | | 
|
| Asteraceae | Cyclachaena | | | | 
|
| Asteraceae | Cymophora | Cymophora | | | |
| Asteraceae | Dahlia | Dahlia | | | 
|
| Asteraceae | Diaperia | Dwarf Cudweed | | | 
|
| Asteraceae | Dichaetophora | | | | 
|
| Asteraceae | Dimorphotheca | | | | |
| Asteraceae | Dittrichia | | | | 
|
| Asteraceae | Doellingeria | Flat-topped Aster | | | 
|
| Asteraceae | Dracopis | Coneflower | | | 
|
| Asteraceae | Dysodiopsis | | | | 
|
| Asteraceae | Dyssodia | | | | 
|
| Asteraceae | Echinacea | Purple Coneflower | | | 
|
| Asteraceae | Echinops | Globe-thistle | | | 
|
| Asteraceae | Eclipta | | | | 
|
| Asteraceae | Egletes | Tropic-Daisy | | | 
|
| Asteraceae | Elephantopus | Elephant's-foot | | | 
|
| Asteraceae | Emilia | Tasselflower | | | 
|
| Asteraceae | Engelmannia | Engelmann Daisy | | | 
|
| Asteraceae | Enydra | | | | 
|
| Asteraceae | Erechtites | Fireweed | | | 
|
| Asteraceae | Erigeron | Daisy Fleabane | | | 
|
| Asteraceae | Eupatorium | Eupatorium, Thoroughwort, Dog-fennel | | | 
|
| Asteraceae | Eurybia | Wood-aster | | | 
|
| Asteraceae | Euryops | | | | 
|
| Asteraceae | Euthamia | Goldentop, Flat-topped Goldenrod | | | 
|
| Asteraceae | Eutrochium | Joe-Pye-weed | | | 
|
| Asteraceae | Facelis | | | | 
|
| Asteraceae | Filago | Cotton-rose, Herba Impia, Rabbit-tobacco | | | 
|
| Asteraceae | Flaveria | | | | 
|
| Asteraceae | Fleischmannia | | | | 
|
| Asteraceae | Florestina | Florestina | | | 
|
| Asteraceae | Gaillardia | Blanket-flower, Gaillardia, Fire-wheels | | | 
|
| Asteraceae | Galinsoga | Peruvian-daisy, Quickweed, Gallant Soldier | | | 
|
| Asteraceae | Galinsogeopsis | | | | 
|
| Asteraceae | Gamochaeta | Cudweed, Everlasting | | | 
|
| Asteraceae | Garberia | Garberia | | | 
|
| Asteraceae | Gerbera | Gerbera, Gerber-daisy, Transvaal Daisy | | | 
|
| Asteraceae | Glebionis | Chrysanthemum | | | 
|
| Asteraceae | Gnaphalium | Cudweed, Rabbit Tobacco | | | 
|
| Asteraceae | Grindelia | Gum-plant, Tarweed, Rosinweed, Gumweed | | | 
|
| Asteraceae | Guizotia | Niger-seed | | | 
|
| Asteraceae | Gutierrezia | | | | 
|
| Asteraceae | Gymnosperma | | | | 
|
| Asteraceae | Gynura | | | | 
|
| Asteraceae | Haplocarpha | | | | 
|
| Asteraceae | Hartwrightia | Hartwrightia | | | 
|
| Asteraceae | Hasteola | | | | 
|
| Asteraceae | Hedypnois | Cretan-weed | | | 
|
| Asteraceae | Helenium | Sneezeweed, Bitterweed | | | 
|
| Asteraceae | Helianthus | Sunflower | | | 
|
| Asteraceae | Heliomeris | Golden-eye | | | 
|
| Asteraceae | Heliopsis | Sunflower-everlasting, Oxeye | | | 
|
| Asteraceae | Helminthotheca | Oxtongue | | | 
|
| Asteraceae | Heterosperma | | | | 
|
| Asteraceae | Heterotheca | Camphorweed, Golden-aster | | | 
|
| Asteraceae | Hieracium | Hawkweed, King-devil | | | 
|
| Asteraceae | Hymenopappus | Woolly-white | | | 
|
| Asteraceae | Hymenoxys | | | | 
|
| Asteraceae | Hypochaeris | Cat's-ear | | | 
|
| Asteraceae | Inula | Elecampane | | | 
|
| Asteraceae | Ionactis | Stiff-leaved Aster | | | 
|
| Asteraceae | Isocarpha | Pearlhead | | | 
|
| Asteraceae | Isocoma | Jimmyweed, Goldenweed | | | 
|
| Asteraceae | Iva | Marsh-elder | | | 
|
| Asteraceae | Ixeris | | | | 
|
| Asteraceae | Jacobaea | | | | 
|
| Asteraceae | Jamesianthus | Warbonnet | | | 
|
| Asteraceae | Jefea | | | | 
|
| Asteraceae | Koanophyllon | | | | 
|
| Asteraceae | Krigia | Cynthia, Dwarf-dandelion | | | 
|
| Asteraceae | Lactuca | Lettuce | | | 
|
| Asteraceae | Laennecia | | | | 
|
| Asteraceae | Lagascea | | | | 
|
| Asteraceae | Laphamia | Rock-daisy | | | 
|
| Asteraceae | Laphangium | Red-tipped Rabbit-tobacco | | | 
|
| Asteraceae | Lapsana | Nipplewort | | | 
|
| Asteraceae | Launaea | | | | 
|
| Asteraceae | Leontodon | Hawkbit | | | 
|
| Asteraceae | Leucanthemella | | | | 
|
| Asteraceae | Leucanthemum | Oxeye Daisy | | | 
|
| Asteraceae | Leuzea | | | | 
|
| Asteraceae | Liatris | Blazing-star, Gayfeather | | | 
|
| Asteraceae | Ligularia | Ligularia | | | 
|
| Asteraceae | Lindheimera | | | | 
|
| Asteraceae | Litrisa | Litrisa | | | 
|
| Asteraceae | Logfia | | | | 
|
| Asteraceae | Lygodesmia | Rush Pink, Skeletonplant | | | 
|
| Asteraceae | Machaeranthera | | | | 
|
| Asteraceae | Madia | Tarweed | | | 
|
| Asteraceae | Marshallia | Marshallia, Barbara's-buttons | | | 
|
| Asteraceae | Matricaria | Mayweed | | | 
|
| Asteraceae | Medranoa | | | | 
|
| Asteraceae | Melampodium | | | | 
|
| Asteraceae | Melanthera | Black-anthers | | | 
|
| Asteraceae | Micropsis | Straitjackets | | | |
| Asteraceae | Mikania | Climbing Hempweed | | | 
|
| Asteraceae | Mulgedium | Showy-lettuce | | A genus of about 15 species, of Eurasia and w. North America. | 
|
| Asteraceae | Nabalus | Rattlesnake-root | | | 
|
| Asteraceae | Nahuatlea | | | | 
|
| Asteraceae | Nipponanthemum | | | | 
|
| Asteraceae | Nothocalais | | | | 
|
| Asteraceae | Oclemena | Aster, Nodding-aster | | | 
|
| Asteraceae | Omalotheca | | | | 
|
| Asteraceae | Onopordum | Scotch Thistle, Cotton-thistle | | | 
|
| Asteraceae | Packera | Ragwort | | | 
|
| Asteraceae | Palafoxia | Palafoxia | | | 
|
| Asteraceae | Panphalea | | | | 
|
| Asteraceae | Parthenium | Wild Quinine | | | 
|
| Asteraceae | Pascalia | | | | 
|
| Asteraceae | Pectis | | | | 
|
| Asteraceae | Peripleura | Vittadinia | | | 
|
| Asteraceae | Perityle | Rockdaisy | | | |
| Asteraceae | Petasites | Butterbur | | | 
|
| Asteraceae | Phoebanthus | | | | 
|
| Asteraceae | Picradeniopsis | | | | 
|
| Asteraceae | Picris | Bitterweed, Oxtongue | | | 
|
| Asteraceae | Pilosella | Mouse-ear Hawkweed | | | 
|
| Asteraceae | Pinaropappus | Rock-lettuce | | | 
|
| Asteraceae | Pityopsis | Grass-leaved Golden-aster | | | 
|
| Asteraceae | Plectocephalus | Basketflower | | | 
|
| Asteraceae | Pluchea | Marsh-fleabane | | | 
|
| Asteraceae | Polymnia | | | | 
|
| Asteraceae | Porophyllum | | | | 
|
| Asteraceae | Praxelis | Praxelis | | | 
|
| Asteraceae | Prionopsis | | | | 
|
| Asteraceae | Pseudelephantopus | False Elephant’s-foot, Dog’s-tongue | | | 
|
| Asteraceae | Pseudognaphalium | Rabbit-tobacco | | | 
|
| Asteraceae | Pseudogynoxys | | | | 
|
| Asteraceae | Psilactis | | | | 
|
| Asteraceae | Psilostrophe | | | | |
| Asteraceae | Pterocaulon | Wingstem, Blackroot | | | 
|
| Asteraceae | Pulicaria | False-fleabane | | | 
|
| Asteraceae | Pyrrhopappus | False-dandelion | | | 
|
| Asteraceae | Ratibida | Prairie Coneflower | | | 
|
| Asteraceae | Rayjacksonia | Camphor-daisy | | | 
|
| Asteraceae | Reichardia | Brighteyes | | | 
|
| Asteraceae | Rhaponticum | Russian Knapweed | | | |
| Asteraceae | Rudbeckia | Yellow Coneflower, Black-eyed Susan | | | 
|
| Asteraceae | Rugelia | Rugelia, Rugel's Ragwort | | | 
|
| Asteraceae | Sachsia | Sachsia | | | 
|
| Asteraceae | Santolina | | | | 
|
| Asteraceae | Sanvitalia | Creeping-Zinnia, Sanvitalia | | | 
|
| Asteraceae | Schkuhria | Schkuhria | | | 
|
| Asteraceae | Sclerocarpus | Bonebract | | | |
| Asteraceae | Sclerolepis | Sclerolepis | | | 
|
| Asteraceae | Scolymus | Golden Thistle | | | 
|
| Asteraceae | Scorzoneroides | Fall-dandelion | | | 
|
| Asteraceae | Senecio | Ragwort, Groundsel | | | 
|
| Asteraceae | Sericocarpus | White-topped Aster | | | 
|
| Asteraceae | Sidneya | | | | 
|
| Asteraceae | Sigesbeckia | | | | 
|
| Asteraceae | Silphium | Rosinweed | | | 
|
| Asteraceae | Silybum | Milk-thistle | | | 
|
| Asteraceae | Simsia | Simsia | | | 
|
| Asteraceae | Smallanthus | Bearsfoot | | | 
|
| Asteraceae | Solidago | Goldenrod | | | 
|
| Asteraceae | Soliva | Burweed | | | 
|
| Asteraceae | Sonchus | Sow-thistle, Milk-thistle | | | 
|
| Asteraceae | Sphagneticola | | | | 
|
| Asteraceae | Stokesia | Stokesia, Stokes Aster | | | 
|
| Asteraceae | Stuartina | | | | |
| Asteraceae | Symphyotrichum | American Aster | | | 
|
| Asteraceae | Synedrella | Nodeweed | | | 
|
| Asteraceae | Tagetes | Marigold | | | 
|
| Asteraceae | Tamaulipa | Tamaulipa | | | 
|
| Asteraceae | Tanacetum | Tansy | | | 
|
| Asteraceae | Taraxacum | Dandelion, Blowballs | | | 
|
| Asteraceae | Tetragonotheca | Squarehead | | | 
|
| Asteraceae | Tetraneuris | Bitterweed | | | 
|
| Asteraceae | Thelesperma | Greenthread | | | 
|
| Asteraceae | Thurovia | Threeflower Snakeweed | | | 
|
| Asteraceae | Thymophylla | | | | |
| Asteraceae | Tithonia | Sunflower-weed | | | 
|
| Asteraceae | Townsendia | Townsend Daisy | | | 
|
| Asteraceae | Tragopogon | Goat's-beard | | | 
|
| Asteraceae | Trichocoronis | | | | |
| Asteraceae | Tridax | | | | 
|
| Asteraceae | Trilisa | Trilisa | | | 
|
| Asteraceae | Tripleurospermum | Mayweed | | | 
|
| Asteraceae | Tripolium | | | | 
|
| Asteraceae | Trixis | Threefold | | | |
| Asteraceae | Tussilago | Coltsfoot | | | 
|
| Asteraceae | Uropappus | Silver-puffs | | | 
|
| Asteraceae | Varilla | Varilla, Saladillo | | | 
|
| Asteraceae | Verbesina | Crownbeard, Wingstem, Frostweed | | | 
|
| Asteraceae | Vernonia | Ironweed | | | 
|
| Asteraceae | Viguiera | Goldeneye | | | 
|
| Asteraceae | Vittadinia | | | | 
|
| Asteraceae | Wedelia | | | | 
|
| Asteraceae | Xanthisma | | | | 
|
| Asteraceae | Xanthium | Cocklebur | | | 
|
| Asteraceae | Youngia | Youngia | | | 
|
| Asteraceae | Zinnia | Zinnia | | | 
|