List of Asteraceae genera

This is a list of genera in the plant family Asteraceae, the daisies and sunflowers.

A

*"Aaronsohnia" Warb. & Eig
*"Abrotanella" Cass.
*"Acamptopappus" (A.Gray) A.Gray - goldenhead
*"Acanthocephalus" Kar. & Kir.
*"Acanthocladium" F.Muell.
*"Acanthodesmos" C.D.Adams & duQuesnay
*"Acantholepis" Less.
*"Acanthospermum" Schrank - starburr
*"Acanthostyles" R.M.King & H.Rob.
*"Achaetogeron" A.Gray
*"Achillea" L. - yarrow
*"Achnophora" F.Muell.
*"Achnopogon" Maguire, Steyerm. & Wurdack
*"Achyrachaena" Schauer - blow wives
*"Achyrocline" (Less.) DC.
*"Achyropappus" Kunth
*"Achyrothalamus" O.Hoffm.
*"Acmella" Rich.
*"Acomis" F.Muell.
*"Acourtia" D.Don - desert peony
*"Acrisione" B.Nord.
*"Acritopappus" R.M.King & H.Rob.
*"Acroclinium" A.Gray
*"Acroptilon" Cass - hardheads, Russian knapweed
*"Actinobole" Endl.
*"Actinoseris" (Endl.) Cabrera
*"Actinospermum" Elliott
*"Adelostigma" Steetz
*"Adenanthellum" B.Nord.
*"Adenocaulon" Hook - trailplant
*"Adenocritonia" R.M.King & H.Rob.
*"Adenoglossa" B.Nord.
*"Adenoon" Dalzell
*"Adenopappus" Benth
*"Adenophyllum" - dogweed
*"Adenostemma" Pers. - medicineplant
*"Adenothamnus" D.D.Keck
*"Aedesia" O.Hoffm.
*"Aegopordon" Boiss.
*"Aequatorium" B.Nord
*"Aetheorhiza" Cass.
*"Ageratella" A.Gray ex S.Watson
*"Ageratina" Spach - snakeroot
*"Ageratinastrum" Mattf.
*"Ageratum" L. - whiteweed
*"Agiabampoa" Rose ex O.Hoffm.
*"Agoseris" Raf. - mountain dandelion
*"Agrianthus" Mart. ex DC.
*"Ainsliaea" DC.
*"Ajania" Poljakov
*"Ajaniopsis" C.Shih
*"Alatoseta" Compton
*"Albertinia" Spreng.
*"Alcantara" Glaz. ex G.M.Barroso
*"Alciope" DC. ex Lindl.
*"Aldama" La Llave
*"Alepidocline" S.F.Blake
*"Alfredia" Cass.
*"Aliella" Qaiser & Lack
*"Allagopappus" Cass.
*"Allardia" Decne.
*"Alloispermum" Willd.
*"Allopterigeron" Dunlop
*"Almutaster" - alkalai marsh aster (synonym of "Aster" L.)
*"Alomia" Kunth
*"Alomiella" R.M.King & H.Rob.
*"Alvordia" Brandegee
*"Amauria" Benth
*"Amberboa" (Pers.) Less.
*"Amblyocarpum" Fisch. & C.A.Mey.
*"Amblyolepis" DC
*"Amblyopappus" Hook. & Arn.
*"Amboroa" Cabrera
*"Ambrosia" L. - bursage, ragweed
*"Ameghinoa" Speg.
*"Amellus" L.
*"Ammobium" R.Br. ex Sims
*"Amolinia" R.M.King & H.Rob.
*"Ampelaster" - climbing aster
*"Amphiachyris" - broomweed
*"Amphiglossa" DC
*"Amphipappus" - chaffbush
*"Amphoricarpos" Vis.
*"Anacantha" (Iljin) Sojak
*"Anacylus" L.
*"Anaphalioides" (Benth.) Kirp.
*"Anaphalis" DC - pearly everlasting
*"Anastraphia" D.Don
*"Anaxeton" Gaertn.
*"Ancathia" DC.
*"Ancistrophora" A.Gray
*"Andryala" L.
*"Angelphytum" G.M.Barroso
*"Angianthus" J.C.Wendl.
*"Anisochaeta" DC.
*"Anisocoma" Torr. & A.Gray
*"Anisopappus" Hook. & Arn.
*"Anisothrix" O.Hoffm. ex Kuntze
*"Anomostephium" DC.
*"Antennaria" Gaertn. - pussytoes
*"Anthemis" L. - Roman chamomile
*"Antheropeas" Rydb. - Easter bonnets
*"Antillia" R.M.King & H.Rob.
*"Antiphiona" Merxm.
*"Antithrixia" DC.
*"Anura" (Juz.) Tscherneva
*"Anvillea" DC.
*"Apalochlamys" (Cass.) Cass.
*"Apargidium" Torr. & A.Gray
*"Aphanactis" Wedd.
*"Aphanostephus" DC - doze daisy
*"Aphyllocladus" Wedd.
*"Apodocephala" Baker
*"Aposeris" Neck. ex Cass.
*"Apostates" Lander
*"Arbelaezaster" Cuatrec.
*"Archibaccharis" Heering
*"Arctanthemum" (Tzvelev) Tzvelev
*"Arctium" L. - burdock
*"Arctogeron" DC.
*"Arctotheca" J.C.Wendl. - capeweed
*"Arctotis" L.
*"Argyranthemum" Webb - dill daisy
*"Argyroglottis" Turcz.
*"Argyrophanes" Schltdl.
*"Argyroxiphium" DC - silversword
*"Aristeguietia" R.M.King & H.Rob.
*"Arnaldoa" Cabrera
*"Arnica" L. - arnica
*"Arnicastrum" Greenm.
*"Arnoglossum" Raf. - Indian plantain
*"Arnoseris" Gaertn.
*"Arrhenechthites" Mattf.
*"Arrojadocharis" Mattf.
*"Arrowsmithia" DC.
*"Artemisia" L. - tarragon, sagebrush, sagewort, wormwood, mugwort
*"Artemisiopsis" S.Moore
*"Asanthus" R.M.King & H.Rob. - brickellbush
*"Ascidiogyne" Cuatrec
*"Aspilia" Thouars
*"Asplundianthus" R.M.King & H.Rob
*"Aster" L. - aster
*"Asteridea" Lindl.
*"Asteriscus" Mill.
*"Asteromoea" Blume
*"Astranthium" Nutt.- western daisy
*"Athanasia" L.
*"Athrixia" Ker Gawl.
*"Athroisma" DC
*"Atractylis" L.
*"Atractylodes" DC.
*"Atrichantha" Hilliard & B.L.Burtt
*"Atrichoseris" A.Gray
*"Austrobrickellia" R.M.King & H.Rob.
*"Austrocritonia" R.M.King & H.Rob.
*"Austroeupatorium" R.M.King & H.Rob.
*"Austroliabum" H.Rob. & Brettell
*"Austrosynotis" C.Jeffrey
*"Avellara" Blanca & C.Diaz
*"Axiniphyllum" Benth
*"Ayapana" Spach
*"Ayapanopsis" R.M.King & H.Rob.
*"Aylacophora" Cabrera

B

*"Baccharis" L. - baccharis
*"Badilloa" R.M.King & H.Rob.
*"Baeriopsis" J.T.Howell
*"Bafutia" C.D.Adams
*"Bahia" Lach. - bahia
*"Bahianthus" R.M.King & H.Rob.
*"Baileya" Harv. & A.Gray - desert marigold
*"Balduina" Nutt. - honeycombhead
*"Balsamita" - balsamita (synonym of "Tanacetum" L.)
*"Balsamorhiza" Hook. ex Nutt. - balsamroot
*"Baltimora" L. - baltimora
*"Barkleyanthus" H.Rob. & Brettell - willow ragwort
*"Barnadesia" Mutis ex L.f.
*"Barroetea" A.Gray
*"Barrosoa" R.M.King & H.Rob.
*"Bartlettia" A. Gray
*"Bartlettina" R.M.King & H.Rob.
*"Basedowia" E.Pritz.
*"Bebbia" Greene - sweetbush
*"Bedfordia" DC.
*"Bejaranoa" R.M.King & H.Rob.
*"Bellida" Ewart
*"Bellis" L. - daisy
*"Bellium" L.
*"Belloa" J.Remy
*"Benitoa" D.D.Keck
*"Berardia" Vill.
*"Berkheya" Ehrh.
*"Berlandiera" DC- greeneyes
*"Berroa" Beauverd
*"Bidens" L. - beggartick, devil's sticktight, Spanish needles
*"Bigelowia" DC - rayless goldenrod
*"Bishopalea" H.Rob.
*"Bishopanthus" H.Rob.
*"Bishopiella" R.M.King & H.Rob.
*"Bishovia" R.M.King & H.Rob.
*"Blainvillea" Cass.
*"Blakeanthus" R.M.King & H.Rob.
*"Blakiella" Cuatrec.
*"Blanchetia" DC
*"Blennosperma" Less. - stickyseed
*"Blennospora" A.Gray
*"Blepharipappus" Hook
*"Blepharispermum" DC.
*"Blepharizonia" (A.Gray) Greene
*"Blumea" DC - false oxtongue
*"Blumeopsis" Gagnep.
*"Boeberastrum" (A.Gray) Rydb.
*"Boeberoides" (DC.) Strother
*"Bolanosa" A.Gray
*"Bolophyta" Nutt.
*"Boltonia" L'Her. - doll's daisy
*"Bombycilaena" (DC.) Smoljan.
*"Borrichia" Adans. - seaside tansy
*"Bothriocline" Oliv. ex Benth.
*"Brachanthemum" DC.
*"Brachionostylum" Mattf.
*"Brachyactis" - rayless aster (synonym of "Symphyotrichum ciliatum")
*"Brachyglottis" J.R.Forst. & G.Forst.
*"Brachylaena" R.Br.)
*"Brachyscome" Cass.
*"Brachythrix" Wild & G.V.Pope
*"Bracteantha" Anderb.
*"Bradburia" Torr. & A.Gray
*"Brickellia" Elliott - brickelbush
*"Brickelliastrum" R.M.King & H.Rob. - brickellbush
*"Brintonia" - mock goldenrod (synonym og "Solidago " L. )
*"Bryomorphe" Harv.
*"Buphthalmum" L.
*"Burkartia" Crisci

C

*"Cabreriella" Cuatrec.
*"Cacalia" L. - Indian plantain
*"Cacaliopsis" A.Gray
*"Cacosmia" Kunth
*"Cadiscus" E.Mey. ex DC.
*"Caesulia" Roxb.
*"Calea" L.
*"Calendula" L. - marigold
*"Callicephalus" C.A.Mey.
*"Callichroa" Fisch. & C.A.Mey.
*"Callilepis" DC.
*"Callistephus" Cass.
*"Calocephalus" R.Br.
*"Calomeria" Vent.
*"Calopappus" Meyen
*"Calostephane" Benth.
*"Calotesta" P.O.Karis
*"Calotis" R.Br.
*"Calycadenia" DC- western rosinweed
*"Calycocorsus" F.W.Schmidt
*"Calycoseris" A.Gray- tackstem
*"Calyptocarpus" Less.
*"Camchaya" Gagnep.
*"Campovassouria" R.M.King & H.Rob.
*"Camptacra" N.T.Burb.
*"Campuloclinium" DC
*"Canadanthus" - mountain aster (?)
*"Cancrinia" Kar. & Kir.
*"Cancriniella" Tzvelev
*"Cardopatium" Juss.
*"Carduncellus" Adans.
*"Carduus" L. - plumeless thistle
*"Carlina" L. - carline thistle
*"Carminatia" Moc. ex DC.
*"Carpesium" L.
*"Carphephorus" Cass. - chaffhead
*"Carphochaete" A.Gray - bristlehead
*"Carramboa" Cuatrec.
*"Carterothamnus" R.M.King
*"Carthamus" L. - distaff thistle
*"Cassinia" R.Br.
*"Castalis" Cass.
*"Castenedia" R.M.King & H.Rob.
*"Catamixis" Thomson
*"Catananche" L.
*"Catatia" Humbert
*"Cavalcantia" R.M.King & H.Rob.
*"Cavea" W.W.Sm. & Small
*"Celmisia" Cass.
*"Centaurea" L. - knapweed, cornflower, star thistle
*"Centaurodendron" Johow
*"Centauropsis" Bojer ex DC.
*"Centaurothamnus" Wagenitz & Dittrich
*"Centipeda" Lour
*"Centratherum" Cass.
*"Cephalipterum" A.Gray
*"Cephalopappus" Nees & Mart.
*"Cephalorrhynchus" Boiss.
*"Cephalosorus" A.Gray
*"Ceratogyne" Turcz.
*"Ceruana" Forssk.
*"Chacoa" R.M.King & H.Rob.
*"Chaenactis" DC - pincushion
*"chaetadelpha" A.Gray ex S.Watson - skeletonweed
*"Chaetanthera" Ruiz & Pav.
*"Chaetopappa" DC - least daisy
*"Chaetospira" S.F.Blake
*"Chaetymenia" Hook. & Arn.
*"Chamaechaenactis" Rydb.
*"Chamaegeron" Schrenk
*"Chamaeleon" Cass.
*"Chamaemelum" Mill. - dogfennel
*"Chamomilla" - chamomilla, pineapple weed (synonym of "Matricaria" L.)
*"Chaptalia" Vent. - sunbonnetts
*"Chardinia" Desf.
*"Cheirolophus" Cass.
*"Chersodoma" Phil.
*"Chevreulia" Cass.
*"Chiliadenus" Cass.
*"Chiliocephalum" Benth.
*"Chiliophyllum" Phil.
*"Chiliotrichiopsis" Cabrera
*"Chiliotrichum" Cass.
*"Chimantaea" Maguire, Steyerm. & Wurdack
*"Chionolaena" DC.
*"Chionopappus" Benth
*"Chlamydophora" Ehrenb. ex Less.
*"Chloracantha" - Nesom
*"Chondrilla" L.
*"Chondropyxis" D.A.Cooke
*"Chorisis" DC.
*"Chresta" Vell. ex DC.
*"Chromolaena" DC - thoroughwort
*"Chromolepis" Benth.
*"Chronopappus" DC.
*"Chrysactinia" A.Gray
*"Chrysactinium" (Kunth) Wedd.
*"Chrysanthellum" Rich.
*"Chrysanthemoides" Fabr.
*"Chrysanthemum" L.
*"Chrysocephalum" Walp.
*"Chrysocoma" L.
*"Chrysogonum" L.
*"Chrysoma" Nutt.
*"Chrysophthalmum" Sch.Bip. ex Walp.
*"Chrysopsis" (Nutt.) Elliott - goldenaster
*"Chrysothamnus" Nutt. - rabbitbrush
*"Chthonocephalus" Steetz
*"Chucoa" Cabrera
*"Chuquiraga" Juss.
*"Cicerbita" Wallr.
*"Ciceronia" Urb.
*"Cichorium" L. - chicory
*"Cineraria" L.
*"Cirsium" Mill. - thistle
*"Cissampelopsis" (DC.) Miq.
*"Cladanthus" Cass.
*"Cladochaeta" DC.
*"Clappia" A.Gray - clapdaisy
*"Clibadium" L.
*"Cnicothamnus" Griseb.
*"Cnicus" L. - blessed thistle
*"Coespeletia" Cuatrec.
*"Coleocoma" F.Muell.
*"Coleostephus" Cass.
*"Colobanthera" Humbert
*"Columbiadoria" (?.)
*"Comaclinium" Scheidw. & Planch.
*"Commidendrum" DC.
*"Complaya" Strother
*"Condylidium" - (synonym "Villalba")
*"Conoclinium" R.M.King & H.Rob. - thoroughwort, mistflower
*"Condylopodium" R.M.King & H.Rob.
*"Conocliniopsis" R.M.King & H.Rob.
*"Conoclinium" DC.
*"Conyza" Less. - horseweed
*"Coreocarpus" Benth.
*"Coreopsis" L. - tickseed
*"Corethamnium" R.M.King & H.Rob.
*"Corethrogyne" DC - sandaster
*"Correllia" A.M.Powell
*"Corymbium" L.
*"Cosmos" Cas.
*"Cotula" L. - waterbuttons
*"Coulterella" Vasey & Rose
*"Cousinia" Cass.
*"Cousiniopsis" Nevski
*"Craspedia" G.Forst.
*"Crassocephalum" Moench - ragleaf
*"Cratystylis" S.Moore
*"Cremanthodium" Benth.
*"Crepidiastrum" Nakai
*"Crepis" L. - hawksbeard
*"Critonia" P.Browne - thoroughwort
*"Critoniadelphus" R.M.King & H.Rob.
*"Critoniella" R.M.King & H.Rob.
*"Critoniopsis" Sch.Bip.
*"Crocidium" Hook - spring-gold
*"Cronquistia" R.M.King
*"Cronquistianthus" R.M.King & H.Rob.
*"Croptilon" Raf.- scratchdaisy
*"Crossostephium" Less.
*"Crossothamnus" R.M.King & H.Rob.
*"Crupina" (Pers.) DC.
*"Cuatrecasasiella" H.Rob.
*"Cuchumatanea" Seid. & Beaman
*"Cullumia" R.Br.
*"Cuspidia" Gaertn.
*"Cyanopsis" - knapweed (synonym of "Volutaria " Cass.)
*"Cyanthillium" - ironweed (plant) (synonym of "Vernonia" Schreb.)
*"Cyathocline" Cass.
*"Cyathomone" S.F.Blake
*"Cyclachaena" Fresen. ex Schltdl.
*"Cyclolepis" Gillies ex D.Don
*"Cylindrocline" Cass.
*"Cymbolaena" Smoljan.
*"Cymbonotus" Cass.
*"Cymbopappus" B.Nord.
*"Cymophora" B.L.Rob.
*"Cynara" L. - artichoke

D

*"Dacryotrichia" Wild
*"Dahlia" Cav.
*"Damnxanthodium" Strother
*"Darwiniothamnus" Harling
*"Dasycondylus" R.M.King & H.Rob.
*"Dasyphyllum" Kunth
*"Daveaua" Willk. ex Mariz
*"Decachaeta" DC.
*"Decastylocarpus" Humbert
*"Decazesia" F.Muell.
*"Deinandra" - often included in "Hemizona"
*"Delairea" Lem. - capeivy
*"Delamerea" S.Moore
*"Delilia" Spreng.
*"Dendranthema" (DC.) Des Moul. - arctic daisy
*"Dendrocacalia" (Nakai) Tuyama
*"Dendrophorbium" (Cuatrec.) C.Jeffrey
*"Dendrosenecio" (Hauman ex Humbert) B.Nord.
*"Dendroseris" D.Don
*"Denekia" Thunb.
*"Desmanthodium" Benth.
*"Dewildemania" O.Hoffm.
*"Diacranthera" R.M.King & H.Rob.
*"Dianthoseris" Sch.Bip.
*"Diaperia" Nutt.
*"Diaphractanthus" Humbert
*"Dicercoclados" C.Jeffrey & Y.L.Chen
*"Dichaetophora" A.Gray
*"Dichrocephala" L'Her. ex DC.
*"Dichromochlamys" Dunlop
*"Dicoma" Cass.
*"Dicoria" Torr. & A.Gray - twinbugs
*"Dicranocarpus" A.Gray
*"Didelta" L'Her.
*"Dielitzia" P.S.Short
*"Digitacalia" Pippen
*"Dimeresia" A. Gray
*"Dimerostemma" Cass.
*"Dimorphocoma" F.Muell. & Tate
*"Dimorphotheca" Moench - cape marigold
*"Dinoseris" Griseb.
*"Diodontium" F.Muell.
*"Diplazoptilon" Y.Ling
*"Diplostephium" Kunth
*"Dipterocome" Fisch. & C.A.Mey.
*"Dipterocypsela" S.F.Blake
*"Disparago" Gaertn.
*"Dissothrix" A.Gray
*"Distephanus" (Cass.) Cass.
*"Disynaphia" Hook. & Arn. ex DC.
*"Dithyrostegia" A.Gray
*"Dittrichia" Greuter
*"Doellingeria" Ness. - whitetop
*"Dolichlasium" Lag.
*"Dolichoglottis" B.Nord.
*"Dolichorrhiza" (Pojark.) Galushko
*"Dolichothrix" Hilliard & B.L.Burtt
*"Dolomiaea" DC.
*"Doniophyton" Wedd.
*"Doronicum" L. - false leopardbane
*"Dracopis" - coneflower (synonym of "Rudbeckia" L.)
*"Dresslerothamnus" H.Rob.
*"Dubautia" Gaudich.
*"Dubyaea" DC.
*"Dugaldia" (Cass.) Cass.
*"Dugesia" A.Gray
*"Duhaldea" DC.
*"Duidaea" S.F.Blake
*"Duseniella" K.Schum.
*"Dymondia" Compton
*"Dyscritogyne" R.M.King & H.Rob.
*"Dyscritothamnus" B.L.Rob
*"Dysodiopsis" (A.Gray) Rydb. - dogfennel
*"Dyssodia" Cav. - dogweed

E

*"Eastwoodia" Brandegee
*"Eatonella" A.Gray
*"Echinacea" Moench - coneflower
*"Echinops" L. - globethistle
*"Eclipta" L.
*"Edmondia" Cass.
*"Egletes" Cass.- tropic daisy
*"Eitenia" R.M.King & H.Rob.
*"Ekmania" Gleason
*"Elachanthus" F.Muell.
*"Elaphandra" Strother
*"Elephantopus" L. - elephantsfoot
*"Eleutheranthera" Poit. ex Bosc
*"Ellenbergia" Cuatrec.
*"Elytropappus" Cass.
*"Emilia" (Cass.) Cass. - tasselflower
*"Emiliella" S.Moore
*"Encelia" Adans. - brittlebush
*"Enceliopsis" (A.Gray) A.Nelson - sunray
*"Endocellion" Turcz. ex Herder
*"Endopappus" Sch.Bip.
*"Engelmannia" A.Gray ex Nutt. - Engelmann's daisy
*"Engleria" O.Hoffm.
*"Enydra" Lour - swampwort
*"Epaltes" Cass.
*"Epilasia" (Bunge) Benth.
*"Episcothamnus" H.Rob.
*"Epitriche" Turcz.
*"Erato" DC.
*"Erechtites" Raf - burnweed
*"Eremanthus" Less
*"Eremosis" (DC.) Gleason
*"Eremothamnus" O.Hoffm.
*"Eriachaenium" Sch.Bip.
*"Ericameria" Nutt. - goldenbush, heath goldenrod
*"Ericentrodea" S.F.Blake & Sherff
*"Erigeron" L. - daisy, fleabane
*"Eriocephalus" L.
*"Eriochlamys" Sond. & F.Muell.
*"Eriophyllum" Lag. - woolly sunflower
*"Eriotrix" Cass.
*"Erlangea" Sch.Bip.
*"Erodiophyllum" F.Muell.
*"Erymophyllum" Paul G.Wilson
*"Eryngiophyllum" Greenm.
*"Erythradenia" (B.L.Rob.) R.M.King & H.Rob.
*"Erythrocephalum" Benth.
*"Espejoa" DC.
*"Espeletia" Mutis ex Humb. & Bonpl. - frailejones, Venezuela, Colombia, Ecuador.
*"Espeletiopsis" Cuatrec.
*"Ethulia" L.f
*"Eucephalus" - Cascade Aster, eucephalus (?)
*"Euchiton" Cass. - cudweed
*"Eumorphia" DC
*"Eupatoriastrum" Greenm.
*"Eupatorina" R.M.King & H.Rob.
*"Eupatoriopsis" Hieron.
*"Eupatorium" L. - thoroughwort, snakeweed
*"Euphrosyne" DC
*"Eurybia" - Nees aster (?)
*"Eurydochus" Maguire & Wurdack
*"Euryops" (Cass.) Cass.
*"Eutetras" A.Gray
*"Euthamia" (Nutt.) Elliott - goldentop
*"Eutrochium" - Joe-Pye weed
*"Evacidium" Pomel
*"Evax" - pygmy cudweed (synonym of "Filago" L.)
*"Ewartia" Beauverd
*"Ewartiothamnus" Anderb.
*"Exomiocarpon" Lawalree

F

*"Faberia" Hemsl.
*"Facelis" Hemsl. - trampweed
*"Farfugium" Lindl.
*"Faujasia" Cass.
*"Faxonia" Brandegee
*"Feddea" Urb.
*"Feldstonia" P.S.Short
*"Felicia" Cass.
*"Femeniasia" Susanna
*"Fenixia" Merr.
*"Ferreyranthus" H.Rob. & Brettell
*"Ferreyrella" S.F.Blake
*"Filago" L. - cottonrose
*"Filifolium" Kitam.
*"Fitchia" Hook.f.
*"Fitzwillia" P.S.Short
*"Flaveria" Juss. - yellowtops
*"Fleischmannia" Sch.Bip. - thoroughwort
*"Fleischmanniopsis" R.M.King & H.Rob.
*"Florestina" Cass.
*"Floscaldasia" Cuatrec.
*"Flosmutisia" Cuatrec.
*"Flourensia" DC - tarwort
*"Flyriella" R.M.King & H.Rob. - brickellbush
*"Formania" W.W.Sm. & Small
*"Foveolina" Kallersjo
*"Fulcaldea" Poir.

G

*"Gaillardia" Foug. - blanketflower
*"Galactites" Moench
*"Galeana" La Llave
*"Galeomma" Rauschert
*"Galinsoga" Ruiz & Pav. - gallant-soldier
*"Gamochaeta" Wedd. - everlasting
*"Gamochaetopsis" Anderb. & Freire
*"Garberia" A.Gray
*"Garcibarrigoa" Cuatrec.
*"Garcilassa" Poepp.
*"Gardnerina" R.M.King & H.Rob.
*"Garuleum" Cass.
*"Gazania" Gaertn.
*"Geigeria" Griess.
*"Geissolepis" B.L.Rob.
*"Geissopappus" Benth.
*"Geraea" Torr. & A.Gray - desert sunflower
*"Gerbera" L. - Gerbera or Transvaal daisy
*"Geropogon" L.
*"Gibbaria" Cass.
*"Gilberta" Turcz.
*"Gilruthia" Ewart
*"Gladiopappus" Humbert
*"Glossarion" Maguire & Wurdack
*"Glossocardia" Cass.
*"Glossopappus" Kunze
*"Glyptopleura" Eaton
*"Gnaphaliothamnus" Kirp.
*"Gnaphalium" L. - cudweed
*"Gnephosis" Cass.
*"Gochnatia" Kunth
*"Goldmanella" Greenm.
*"Gongrostylus" R.M.King & H.Rob.
*"Gongylolepis" R.H.Schomb.
*"Goniocaulon" Cass.
*"Gonospermum" Less.
*"Gorceixia" Baker
*"Gorteria" L.
*"Gossweilera" S.Moore
*"Goyazianthus" R.M.King & H.Rob.
*"Grangea" Adans.
*"Grangeopsis" Humbert
*"Graphistylis" B.Nord.
*"Gratwickia" F.Muell.
*"Grauanthus" Fayed
*"Grazielia" R.M.King & H.Rob.
*"Greenmaniella" W.M.Sharp
*"Grindelia" Willd. - gumweed
*"Grisebachianthus" R.M.King & H.Rob.
*"Grosvenoria" R.M.King & H.Rob.
*"Guardiola" Cerv. ex Humb. & Bonpl.
*"Guayania" R.M.King & H.Rob.
*"Guevaria" R.M.King & H.Rob.
*"Guizotia" Cass.
*"Gundelia" L.
*"Gundlachia" A.Gray
*"Gutenbergia" Sch.Bip.
*"Gutierrezia" Lag. - snakeweed
*"Gymnarrhena" Desf.
*"Gymnocondylus" R.M.King & H.Rob.
*"Gymnocoronis" DC.
*"Gymnodiscus" Less.
*"Gymnolaena" (DC.) Rydb.
*"Gymnosperma" Benth.
*"Gymnostephium" Less.
*"Gymnostyles" - burrweed (synonym of "Soliva" Ruiz & Pav.)
*"Gynoxys" Cass.
*"Gynura" Cass.
*"Gypothamnium" Phil.
*"Gyptidium" R.M.King & H.Rob.
*"Gyptis" (Cass.) Cass.
*"Gyrodoma" Wild

H

*"Haastia" Hook.f.
*"Haeckeria" F.Muell.
*"Haegiela" P.S.Short
*"Handelia" Heimerl
*"Haplocalymma" S.F.Blake
*"Haplocarpha" Less. - onefruit
*"Haploesthes" A.Gray - false broomweed
*"Haplopappus" Cass.
*"Haplostephium" Mart. ex DC.
*"Harleya" S.F.Blake
*"Harnackia" Urb.
*"Hartwrightia" A.Gray ex S.Watson
*"Hasteola" Raf. - false Indian plantain
*"Hatschbachiella" R.M.King & H.Rob.
*"Hazardia" Greene - bristleweed
*"Hebeclinium" DC- thoroughwort
*"Hecastocleis" A.Gray
*"Hedypnois" Mill.
*"Helenium" L.- sneezeweed
*"Helianthella" Torr. & A.Gray
*"Helianthopsis" H.Rob.
*"Helianthus" L. - sunflowers
*"Helichrysopsis" Kirp.
*"Helichrysum" Mill. - strawflower,everlasting
*"Heliocauta" Humphries
*"Heliomeris" Nutt. - false goldeneye
*"Heliopsis" Pers.
*"Helminthia" (synonym of "Picris" L.)
*"Helminthotheca" ("obsolete")
*"Helogyne" Nutt.
*"Hemisteptia" Fisch. & C.A.Mey.
*"Hemizonia" DC - tarweed
*"Henricksonia" B.L.Turner
*"Heptanthus" Griseb.
*"Herderia" Cass.
*"Herodotia" Urb. & Ekman
*"Herrickia" (synonym of "Aster" L.)
*"Hesperevax" - dwarf-cudweed (?)
*"Hesperodoria" - glowweed (?)
*"Hesperomannia" A.Gray - island-aster
*"Heteracia" Fisch. & C.A.Mey.
*"Heteranthemis" Schott - oxeye
*"Heterocoma" DC.
*"Heterocondylus" R.M.King & H.Rob.
*"Heterocypsela" H.Rob.
*"Heteroderis" (Bunge) Boiss.
*"Heterolepis" Cass.
*"Heteromera" Pomel
*"Heteromma" Benth.
*"Heteropappus" Less.
*"Heteroplexis" C.C.Chang
*"Heterorhachis" Sch.Bip. ex Walp.
*"Heterosperma" Cav.
*"Heterothalamus" Less.
*"Heterotheca" Cass. - false goldenaster, telegraph plant
*"Hidalgoa" La Llave
*"Hieracium" L. - hawkweed
*"Hilliardia" B.Nord.
*"Hinterhubera" Sch.Bip. ex Wedd.
*"Hippia" L.
*"Hippolytia" Poljakov
*"Hirpicium" Cass.
*"Hispidella" Barnadez ex Lam.
*"Hoehnephytum" Cabrera
*"Hoffmanniella" Schltr. ex Lawalree
*"Hofmeisteria" Walp.
*"Holocarpha" Greene - tarweed
*"Holocheilus" Cass.
*"Hololeion" Kitam
*"Holozonia" Greene
*"Homogyne" Cass.
*"Hoplophyllum" DC.
*"Huarpea" Cabrera
*"Hubertia" Bory
*"Hughesia" R.M.King & H.Rob.
*"Hulsea" Torr. & A.Gray - alpinegold
*"Humeocline" Anderb.
*"Hyalis" D.Don ex Hook. & Arn.
*"Hyalochaete" Dittrich & Rech.f.
*"Hyalochlamys" A.Gray
*"Hyaloseris" Griseb.
*"Hyalosperma" Steetz
*"Hybridella" Cass.
*"Hydrodyssodia" B.L.Turner
*"Hydroidea" P.O.Karis
*"Hydropectis" Rydb.
*"Hymenocephalus" Jaub. & Spach
*"Hymenoclea" Torr. & A.Gray - burrobrush, burrobush
*"Hymenolepis" Cass.
*"Hymenonema" Cass.
*"Hymenopappus" L'Her
*"Hymenostemma" Kunze ex Willk.
*"Hymenostephium" Benth.
*"Hymenothrix" A.Gray - thimblehead
*"Hymenoxys" Cass. - rubberweed
*"Hyoseris" L.
*"Hypacanthium" Juz.
*"Hypelichrysum" Kirp.
*"Hypericophyllum" Steetz
*"Hypochaeris" L. - catsear
*"Hysterionica" Willd.
*"Hystrichophora" Mattf.

I

*"Ichthyothere" Mart.
*"Idiothamnus" R.M.King & H.Rob.
*"Ifloga" Cass.
*"Ighermia" Wiklund
*"Iltisia" S.F.Blake
*"Imeria" R.M.King & H.Rob.
*"Inezia" E.Phillips
*"Inula" L. - yellowhead
*"Inulanthera" Kallersjo
*"Ionactis" - Stiff-leaved Asters (?.)
*"Iocenes" B.Nord.
*"Iodocephalus" Thorel ex Gagnep.
*"Iogeton" Strother
*"Iostephane" Benth.
*"Iphiona" Cass.
*"Iphionopsis" Anderb.
*"Iranecio" B.Nord.
*"Irwinia" Barroso
*"Ischnea" F.Muell.
*"Isocarpha" R.Br. - pearlhead
*"Isocoma" Nutt. - goldenbush, jimmyweed
*"Isoetopsis" Turcz.
*"Isopappus" Torr. & A.Gray
*"Isostigma" Less.
*"Iva" L. - marshelder, sumpweed
*"Ixeridium" (A.Gray) Tzvelev
*"Ixeris" (Cass.) Cass.
*"Ixiochlamys" F.Muell. & Sond.
*"Ixiolaena" Benth.
*"Ixodia" R.Br.

J

*"Jacmaia" B.Nord.
*"Jaegeria" Kunth
*"Jalcophila" Dillon & Sagast.
*"Jaliscoa" S.Watson
*"Jamesianthus" S.F.Blake & Sherff
*"Jaramilloa" R.M.King & H.Rob.
*"Jasonia" (Cass.) Cass.
*"Jaumea" Pers.
*"Jefea" Strother
*"Jeffreya" Wild
*"Jungia" L.f.
*"Jurinea" Cass.

K

*"Kalimeris" (Cass.) Cass. - aster
*"Karelinia" Less.
*"Karvandarina" Rech.f.
*"Kaschgaria" Poljakov
*"Kaunia" R.M.King & H.Rob.
*"Keysseria" Lauterb.
*"Kinghamia" C.Jeffrey
*"Kingianthus" H.Rob.
*"Kippistia" F.Muell.
*"Kirkianella" Allan
*"Kleinia" Mill.
*"Koanophyllon" Arruda - thoroughwort
*"Koehneola" Urb.
*"Koelpinia" Pall.
*"Koyamacalia" (?)
*"Krigia" Schreb - dwarf dandelion
*"Kyrsteniopsis" R.M.King & H.Rob

L

*"Lachanodes" DC.
*"Lachnophyllum" Bunge
*"Lachnorhiza" A.Rich.
*"Lachnospermum" Willd.
*"Lactuca" L. - lettuce
*"Lactucosonchus" (Sch.Bip.) Svent.
*"Laennecia" Cass. - laennecia, laennicia
*"Laestadia" Kunth ex Less.
*"Lagascea" Cav.
*"Lageniphora" Cass. - island-daisy
*"Laggera" Sch.Bip. ex Benth.
*"Lagophylla" Nutt. - hareleaf
*"Lamprachaenium" Benth.
*"Lamprocephalus" B.Nord.
*"Lamyropappus" Knorring & Tamamsch.
*"Lamyropsis" (Kharadze) Dittrich
*"Langebergia" Anderb.
*"Lantanopsis" C.Wright
*"Lapsana" L. - nipplewort
*"Lapsanastrum" - nipplewort (?)
*"Lasianthaea" DC
*"Lasiocephalus" Schltdl.
*"Lasiolaena" R.M.King & H.Rob.
*"Lasiopogon" Cass.
*"Lasiospermum" Lag. - cocoonhead
*"Lasthenia"Cass. - goldfield
*"Launaea" Cass. - aulaga
*"Lawrencella" Lindl.
*"Layia" Hook. & Arn. ex DC - tidytipss
*"Lecocarpus" Decne.
*"Leibnitzia" Cass. - sunbonnets
*"Leiboldia" Schltdl. ex Gleason
*"Lembertia" Greene
*"Lemooria" P.S.Short
*"Leontodon" - hawkbit
*"Leontopodium" L. - edelweiss
*"Leontopodium" (Pers.) R.Br. ex Cass.
*"Lepidesmia" Klatt
*"Lepidolopha" C.Winkl.
*"Lepidolopsis" Poljakov
*"Lepidonia" S.F.Blake
*"Lepidophorum" Neck. ex DC.
*"Lepidophyllum" Cass.
*"Lepidospartum" (A.Gray) A.Gray - broomsage
*"Lepidostephium" Oliv.
*"Leptinella" Cass. - Brass Buttons, Creeping Cotula
*"Leptocarpha" DC.
*"Leptoclinium" (Nutt.) Benth.
*"Leptorhynchos" Less. - scaly button
*"Leptotriche" Turcz.
*"Lescaillea" Griseb.
*"Lessingia" Cham. - vinegarweed
*"Leucactinia" Rydb.
*"Leucanthemella" Tzvelev
*"Leucanthemopsis" (Giroux) Heywood
*"Leucanthemum" Mill. - daisy, Oxeye daisy
*"Leucheria" Lag.
*"Leucochrysum" - sunray (?)
*"Leucopsis" (DC.) Baker
*"Leucoptera" B.Nord
*"Leunisia" Phil.
*"Leuzea" DC.
*"Leysera" L.
*"Liabum" Adans.
*"Liatris" Liabum Adans. - blazing star, gay feather
*"Libanothamnus" Ernst
*"Lidbeckia" Bergius
*"Lifago" Schweinf. & Muschl.
*"Ligularia" Cass.
*"Limbarda" Adans.
*"Lindheimera" A.Gray & Engelm.
*"Lipochaeta" DC - nehe
*"Lipskyella" Juz.
*"Litothamnus" R.M.King & H.Rob.
*"Litrisa" Small
*"Llerasia" Triana
*"Logfia" Cass. - cottonrose
*"Lomatozona" Baker
*"Lonas" Adans.
*"Lopholaena" DC.
*"Lophopappus" Rusby
*"Lordhowea" B.Nord.
*"Lorentzianthus" R.M.King & H.Rob.
*"Loricaria" Wedd.
*"Lourteigia" R.M.King & H.Rob.
*"Loxothysanus" B.L.Rob.
*"Lucilia" Cass.
*"Luciliocline" Anderb. & Freire
*"Lugoa" DC.
*"Luina" Benth. - silverback
*"Lulia" Zardini
*"Lundellianthus" H.Rob.
*"Lycapsus" Phil.
*"Lychnophora" Mart.
*"Lycoseris" Cass.
*"Lygodesmia" D.Don - skeleton weed

M

*"Macdougalia" A.Heller
*"Machaeranthera" Nees - goldenweed, tansyaster
*"Macowania" Oliv.
*"Macrachaenium" Hook.f.
*"Macraea" Hook.f.
*"Macroclinidium" Maxim.
*"Macronema" Nutt. = Ericameria Nutt.
*"Macropodina" R.M.King & H.Rob.
*"Macvaughiella" R.M.King & H.Rob.
*"Madia" Molina - tarweed
*"Mairia" Nees
*"Malacothrix" DC - desert dandelion
*"Malmeanthus" R.M.King & H.Rob.
*"Malperia" S.Watson
*"Mantisalca" Cass.
*"Marasmodes" DC.
*"Marshallia" Schreb. - Barbara's buttons
*"Marshalljohnstonia" Henr.
*"Marticorenia" Crisci
*"Matricaria" L. - mayweed
*"Mattfeldanthus" H.Rob. & R.M.King
*"Mattfeldia" Urb.
*"Matudina" R.M.King & H.Rob.
*"Mauranthemum" Vogt & Oberpr.
*"Mausolea" Poljakov
*"Mecomischus" Coss. ex Benth.
*"Megalodonta" Greene - watermarigold
*"Melampodium" L. - blackfoot
*"Melanodendron" DC.
*"Melanthera" Rohr - squarestem
*"Metalasia" R.Br.
*"Metastevia" Grashoff
*"Mexerion" G.L.Nesom
*"Mexianthus" B.L.Rob.
*"Micractis" DC.
*"Microcephala" Pobed.
*"Microglossa" DC.
*"Microgynella" Grau
*"Microliabum" Cabrera
*"Micropus" L. - cottonseed
*"Microseris" D.Don - silverpuffs, yam daisy
*"Microspermum" Lag.
*"Mikania" Willd. - hempvine
*"Mikaniopsis" Milne-Redh.
*"Milleria" L.
*"Millotia" Cass.
*"Minuria" DC.
*"Miricacalia" Kitam.
*"Mniodes" (A.Gray) Benth.
*"Monactis" Kunth
*"Monarrhenus" Cass.
*"Monenteles" Labill.
*"Monogereion" G.M.Barroso & R.M.King
*"Monolopia" DC
*"Monopholis" S.F.Blake
*"Monoptilon" Torr. & A.Gray - desertstar
*"Montanoa" Cerv.
*"Moonia" Arn.
*"Moquinia" DC.
*"Morithamnus" R.M.King, H.Rob. & G.M.Barroso
*"Moscharia" Ruiz & Pav.
*"Msuata" O.Hoffm.
*"Mulgedium" Cass.
*"Munnozia" Ruiz & Pav.
*"Munzothamnus" Raven
*"Muschleria" S.Moore
*"Mutisia" L.f.
*"Mycelis" cass.
*"Myopordon" Boiss.
*"Myriactis" Less.
*"Myriocephalus" Benth.
*"Myripnois" Bunge
*"Myxopappus" Kallersjo

N

*"Nabalus" Cass.
*"Nananthea" DC.
*"Nannoglottis" Maxim.
*"Nanothamnus" Thomson
*"Nardophyllum" (Hook. & Arn.) Hook. & Arn.
*"Narvalina" Cass.
*"Nassauvia" Comm. ex Juss.
*"Nauplius" (Cass.) Cass.
*"Neblinaea" Maguire & Wurdack
*"Nelsonianthus" H.Rob. & Brettell
*"Nemosenecio" (Kitam.) B.Nord.
*"Neocabreria" R.M.King & H.Rob.
*"Neocuatrecasia" R.M.King & H.Rob.
*"Neohintonia" R.M.King & H.Rob.
*"Neojeffreya" Cabrera
*"Neomirandea" R.M.King & H.Rob.
*"Neopallasia" Poljakov
*"Neotysonia" Dalla Torre & Harms
*"Neurolaena" R.Br.
*"Neurolakis" Mattf.
*"Nicolasia" S.Moore
*"Nicolletia" A.Gray - hole-in-the-sand
*"Nidorella" Cass.
*"Nikitinia" Iljin
*"Nipponanthemum" (Kitam.) Kitam.
*"Nolletia" Cass.
*"Nothobaccharis" R.M.King & H.Rob.
*"Nothocalais" Greene - prairie-dandelion
*"Noticastrum" DC.
*"Notobasis" (Cass.) Cass. - Syrian thistle
*"Notoptera" Urb.
*"Notoseris" C.Shih
*"Nouelia" Franch.
*"Novenia" Freire

O

*"Oaxacania" B.L.Rob. & Greenm.
*"Oblivia" Strother
*"Ochrocephala" Dittrich
*"Oclemena" - aster (synonym of "Aster" L.)
*"Odixia" Orchard
*"Odontocline" B.Nord.
*"Odixia" Orchard
*"Odontocline" B.Nord.
*"Olearia" Moench - daisy bush
*"Olgaea" Iljin
*"Oligactis" (Kunth) Cass.
*"Oliganthes" Cass.
*"Oligochaeta" (DC.) K.Koch
*"Oligoneuron" - goldenrod (?)
*"Oligothrix" DC.
*"Olivaea" Sch.Bip. ex Benth.
*"Omalotheca" Cass. - arctic cudweed
*"Omphalopappus" O.Hoffm.
*"Oncosiphon" Kallersjo
*"Ondetia" Benth.
*"Onopordum" L. - Cotton thistle
*"Onoseris" Willd.
*"Oonopsis" (Nutt.) Greene - false goldenweed
*"Oparanthus" Sherff
*"Ophryosporus" Meyen
*"Opisthopappus" C.Shih
*"Oreochrysum" Rydb. - goldenrod
*"Oreoleysera" Bremer
*"Oreostemma" - aster (synonym of "Aster" L.)
*"Oritrophium" (Kunth) Cuatrec.
*"Orochaenactis" Coville
*"Osbertia" Greene
*"Osmadenia" (?)
*"Osmiopsis" R.M.King & H.Rob.
*"Osmitopsis" Cass.
*"Osteospermum" L. - daisybush
*"Otanthus" Hoffmanns. & Link
*"Oteiza" La Llave
*"Othonna" L.
*"Otopappus" Benth.
*"Otospermum" Willk.
*"Outreya" Jaub. & Spach
*"Oxycarpha" S.F.Blake
*"Oxylaena" Benth. ex Anderb.
*"Oxylobus" (Moq. ex DC.) A.Gray
*"Oxypappus" Benth.
*"Oxyphyllum" Phil.
*"Oyedaea" DC.
*"Ozothamnus" R.Br.

P

*"Pachylaena" D.Don ex Hook. & Arn.
*"Pachythamnus" (R.M.King & H.Rob.) R.M.King & H.Rob.
*"Packera" A.Love & D.Love - (includes some plants formerly "Senecio")
*"Pacourina" Aubl.
*"Palaeocyanus" Dostal
*"Palafoxia" Lag. - palafox
*"Paleaepappus" Cabrera
*"Pallenis" (synonym of "Asteriscus (genus)" Mill.)
*"Pamphalea" Lag.
*"Pappobolus" S.F.Blake
*"Papuacalia" Veldkamp
*"Paracalia" Cuatrec.
*"Paragynoxys" (Cuatrec.) Cuatrec.
*"Paraixeris" Nakai
*"Paranephelius" Poepp.
*"Parantennaria" Beauverd
*"Parapiqueria" R.M.King & H.Rob.
*"Paraprenanthes" C.C.Chang ex C.Shih
*"Parasenecio" W.W.Sm. & Small - Indian plantain
*"Parastrephia" Nutt.
*"Parthenice" A.Gray
*"Parthenium" L. - feverfew, guayule
*"Pasaccardoa" Kuntze
*"Pascalia" (synonym of "Wedelia" Jacq.)
*"Pechuel-Loeschea" O.Hoffm.
*"Pectis" L. - cinchweed, fetid marigold
*"Pegolettia" Cass.
*"Pelucha" S.Watson
*"Pentacalia" Cass.
*"Pentachaeta" Nutt. - pygmy daisy
*"Pentanema" Cass.
*"Pentatrichia" Klatt
*"Pentzia" Thunb.
*"Perdicium" L.
*"Perezia" Lag.
*"Pericallis" D.Don - includes Florist's Cineraria
*"Pericome" A.Gray
*"Perityle" Benth. - rock daisy
*"Perralderia" Coss.
*"Pertya" Sch.Bip.
*"Perymeniopsis" H.Rob.
*"Perymenium" Schrad.
*"Petalacte" D.Don
*"Petasites" Mill. - butterbur
*"Peteravenia" R.M.King & H.Rob.
*"Petradoria" Greene - rock goldenrod
*"Petrobium" R.Br.
*"Peucephyllum" A.Gray
*"Peyrousea" DC.
*"Phacellothrix" F.Muell.
*"Phaenocoma" D.Don
*"Phaeostigma" Muldashev
*"Phagnalon" Cass.
*"Phalacrachena" Iljin
*"Phalacraea" DC.
*"Phalacrocarpum" (DC.) Willk.
*"Phalacroseris" A.Gray - mock dandelion
*"Phaneroglossa" B.Nord.
*"Phanerostylis" (A.Gray) R.M.King & H.Rob.
*"Phania" DC.
*"Philactis" Schrad.
*"Philoglossa" DC.
*"Philyrophyllum" O.Hoffm.
*"Phoebanthus" S.F.Blake - false sunflower
*"Phyllocephalum" Blume
*"Phymaspermum" Less.
*"Picnomon" Adans.
*"Picradeniopsis" - bahia (synonym of "Bahia" Lag.)
*"Picris" L. - oxtongue
*"Picrosia" D.Don
*"Picrothamnus" Nutt. - bud sagebrush
*"Pilosella" Hill
*"Pilostemon" Iljin
*"Pinaropappus" Less. - rock lettuce
*"Piora" J.Kost.
*"Pippenalia" McVaugh
*"Piptocarpha" R.Br.- ash daisy
*"Piptocoma" Cass. - velvetshrub
*"Piptolepis" Sch.Bip.
*"Piptothrix" A.Gray
*"Piqueria" Cav.
*"Piqueriella" R.M.King & H.Rob.
*"Piqueriopsis" R.M.King
*"Pithecoseris" Mart. ex DC.
*"Pithocarpa" Lindl.
*"Pittocaulon" H.Rob. & Brettell
*"Pityopsis" Nutt. - silkgrass
*"Pladaroxylon" (Endl.) Hook.f.
*"Plagiobasis" Schrenk
*"Plagiocheilus" Arn. ex DC.
*"Plagiolophus" Greenm.
*"Plagius" L'Her. ex DC.
*"Planaltoa" Taub.
*"Planea" P.O.Karis
*"Plateilema" (A.Gray) Cockerell
*"Platycarpha" Less.
*"Platypodanthera" R.M.King & H.Rob.
*"Platyschkuhria" (A.Gray) Rydb. - basin daisy
*"Plazia" Ruiz & Pav.
*"Plecostachys" Hilliard & B.L.Burtt
*"Plectocephalus" D.Don
*"Pleiotaxis" Steetz
*"Pleurocarpaea" Benth.
*"Pleurocoronis" Pleurocarpaea Benth.
*"Pleuropappus" F.Muell.
*"Pleurophyllum" Hook.f.
*"Pluchea" Cass. - camphorweed, fleabane
*"Plummera" A.Gray
*"Podachaenium" Benth. ex Oerst.
*"Podanthus" Lag.
*"Podocoma" Cass.
*"Podolepis" Labill.
*"Podotheca" Cass.
*"Poecilolepis" Grau
*"Pogonolepis" Steetz
*"Pojarkovia" Askerova
*"Pollalesta" Kunth
*"Polyachyrus" Lag.
*"Polyanthina" R.M.King & H.Rob.
*"Polyarrhena" Cass.
*"Polycalymma" F.Muell. & Sond.
*"Polychrysum" (Tzvelev) Kovalevsk.
*"Polymnia" L.
*"Porophyllum" Adans. - poreleaf
*"Porphyrostemma" Benth. ex Oliv.
*"Praxeliopsis" G.M.Barroso
*"Praxelis" Cass.
*"Prenanthella" Rydb.
*"Prenanthes" L. - rattlesnakeroot
*"Printzia" Cass.
*"Prionopsis" Nutt.
*"Prolobus" R.M.King & H.Rob.
*"Prolongoa" Boiss.
*"Proteopsis" Mart. & Zucc. ex Sch.Bip.
*"Proustia" Lag.
*"Psacaliopsis" H.Rob. & Brettell
*"Psacalium" Cass. - Indianbush
*"Psathyrotes" A.Gray - turtleback, i.e. turtleback (plant)
*"Pseudelephantopus" - dog's-tongue (synonym of "Elephantopus" L.)
*"Pseudobaccharis" Cabrera
*"Pseudobahia" (A.Gray) Rydb. - sunburst
*"Pseudoblepharispermum" J.-P.Lebrun & Stork
*"Pseudobrickellia" R.M.King & H.Rob.
*"Pseudocadiscus" Lisowski
*"Pseudoclappia" Rydb. - false clapdaisy
*"Pseudognaphalium" Kirp. - false cudweed, cudweed
*"Pseudogynoxys" (Greenm.) Cabrera
*"Pseudohandelia" Tzvelev
*"Pseudokyrsteniopsis" R.M.King & H.Rob.
*"Pseudonoseris" H.Rob. & Brettell
*"Pseudostifftia" H.Rob.
*"Psiadia" Jacq.
*"Psiadiella" Humbert
*"Psilactis" A.Gray - tansyaster
*"Psilocarphus" Nutt. - woollyheads
*"Psilostrophe" DC - paperflower
*"Psychrogeton" Boiss.
*"Psychrophyton" Beauverd
*"Pterachenia" (Benth.) Lipsch.
*"Pterocaulon" Elliott - blackroot
*"Pterocaulon" Elliott
*"Pterocypsela" C.Shih
*"Pteronia" L.
*"Pterothrix" DC.
*"Pterygopappus" Hook.f.
*"Ptilostemon" Cass.
*"Pulicaria" Gaertn. - false fleabane
*"Pycnocephalum" (Less.) DC.
*"Pyrrhopappus" DC - desert chicory
*"Pyrrocoma" Hook - goldenweed
*"Pycnosorus" - billy buttons

Q

*"Quelchia" N.E.Br.
*"Quinetia" Cass.
*"Quinqueremulus" Paul G.Wilson

R

*"Radlkoferotoma" Kuntze
*"Rafinesquia" Nutt. - California chicory
*"Raillardella" - silvermat (?)
*"Raillardiopsis" Rydb.
*"Rainiera" Greene
*"Raoulia" Hook.f. ex Raoul
*"Raouliopsis" S.F.Blake
*"Rastrophyllum" Wild & G.V.Pope
*"Ratibida" Raf. - prairie coneflower
*"Raulinoreitzia" R.M.King & H.Rob.
*"Rayjacksonia" - tansyaster (?)
*"Reichardia" Roth. - brighteyes
*"Relhania" L'Her.
*"Remya" W.F.Hillebr. ex Benth.
*"Rennera" Merxm.
*"Rensonia" S.F.Blake
*"Revealia" R.M.King & H.Rob.
*"Rhagadiolus" Scop.
*"Rhamphogyne" S.Moore
*"Rhanteriopsis" Rauschert
*"Rhanterium" Desf.
*"Rhodanthe" Lindl. - sunray
*"Rhodogeron" Griseb.
*"Rhynchospermum" Reinw.
*"Rhysolepis" S.F.Blake
*"Richteria" Kar. & Kir.
*"Riencourtia" Cass.
*"Rigiopappus" A. Gray
*"Robinsonia" DC.
*"Rochonia" DC.
*"Rojasianthe" Standl. & Steyerm
*"Rolandra" Rottb. - yerba de plata
*"Roldana" La Llave - groundsel
*"Rosenia" Thunb.
*"Rothmaleria" Font Quer
*"Rudbeckia" L. - coneflower
*"Rugelia" Shuttlew. ex Chapm. - Rugel's Indian plantain
*"Ruilopezia" Cuatrec.
*"Rumfordia" DC.
*"Russowia" C.Winkl.
*"Rutidosis" DC.

*"Sabazia" Cass.
*"Sachsia" Griseb.
*"Salmea" DC - bejuco de miel
*"Salmeopsis" Benth.
*"Santolina" L. - lavender cotton
*"Santosia" R.M.King & H.Rob.
*"Sanvitalia" Lam. - creeping zinnia
*"Sartorina" R.M.King & H.Rob.
*"Sartwellia" A.Gray - glowwort
*"Saussurea" DC - saw-wort
*"Scalesia" Arn.
*"Scariola" F.W.Schmidt
*"Scherya" R.M.King & H.Rob.
*"Schischkinia" Iljin
*"Schistocarpha" Less.
*"Schistostephium" Less.
*"Schizogyne" Cass.
*"Schizoptera" Turcz.
*"Schizotrichia" Benth.
*"Schkuhria" Roth - false threadleaf
*"Schlechtendalia" Less.
*"Schmalhausenia" C.Winkl.
*"Schoenia" Steetz
*"Schumeria" Iljin
*"Sciadocephala" Mattf.
*"Sclerocarpus" Jacq. - bonebract
*"Sclerolepis" Cass. - bogbutton
*"Sclerorhachis" (Rech.f.) Rech.f.
*"Sclerostephane" Chiov.
*"Scolymus" L. - golden thistle
*"Scorzonella" Nutt.
*"Scorzonera" L.
*"Scrobicaria" Cass.
*"Scyphocoronis" A.Gray
*"Selleophytum" Urb.
*"Selloa" Kunth
*"Senecio" L. - groundsel, ragwort
*"Sericocarpus" Nees - whitetop aster
*"Seriphidium" (Besser) Poljak.
*"Serratula" L. - plumeless saw-wort
*"Shafera" Greenm.
*"Sheareria" S.Moore
*"Shinnersia" R.M.King & H.Rob.
*"Shinnersoseris" Tomb - beaked skeletonweed
*"Siebera" J.Gay
*"Sigesbeckia" L. - St. Paul's wort
*"Siloxerus" Labill.
*"Silphium" L. - rosinweed
*"Silybum" Adans. - milk thistle
*"Simsia" Pers. - bush sunflower
*"Sinacalia" H.Rob. & Brettell
*"Sinclairia" Hook. & Arn.
*"Sinoleontopodium" Y.L.Chen
*"Sinosenecio" B.Nord.
*"Sipolisia" Glaz. ex Oliv.
*"Smallanthus" Mack
*"Soaresia" Sch.Bip.
*"Solanecio" (Sch.Bip.) Walp.
*"Solenogyne" Cass.
*"Solidago" L. - goldenrod
*"Soliva" Ruiz & Pav. - burrweed
*"Sommerfeltia" Less.
*"Sonchus" L. - sow thistle, sowthistle
*"Sondottia" P.S.Short
*"Soroseris" Stebbins
*"Spaniopappus" B.L.Rob.
*"Sphaeranthus" L.
*"Sphaereupatorium" (O.Hoffm.) Kuntze ex B.L.Rob.
*"Sphaeroclinium" (DC.) Sch.Bip.
*"Sphaeromeria" Nutt. - chickensage
*"Sphaeromorphaea" DC.
*"Sphagneticola" O.Hoffm. - "creeping-oxeye"
*"Spilanthes" Jacq. - toothache flower
*"Spiracantha" Kunth - dogwoodleaf
*"Spiroseris" Rech.f.
*"Squamopappus" Jansen, Harriman & Urbatsch
*"Stachycephalum" Sch.Bip. ex Benth.
*"Staehelina" L.
*"Standleyanthus" R.M.King & H.Rob.
*"Stanfieldia" Small
*"Staurochlamys" Baker
*"Stebbinsoseris" K.L.Chambers - silverpuffs
*"Steiractinia" S.F.Blake
*"Steirodiscus" Less.
*"Stenachaenium" Benth.
*"Stenocarpha" S.F.Blake
*"Stenocline" DC.
*"Stenopadus" S.F.Blake
*"Stenophalium" Anderb.
*"Stenops" B.Nord.
*"Stenotus" Nutt.- mock goldenweed
*"Stephanochilus" Coss. & Durieu ex Maire
*"Stephanodoria" Greene
*"Stephanomeria" Nutt. - wire lettuce
*"Steptorhamphus" Bunge
*"Stevia" Cav. - candyleaf
*"Steviopsis" R.M.King & H.Rob.
*"Steyermarkina" R.M.King & H.Rob.
*"Stifftia" J.C.Mikan
*"Stilpnogyne" DC.
*"Stilpnolepis" Krasch.
*"Stilpnopappus" Mart. ex DC.
*"Stoebe" L.
*"Stokesia" L'Her.
*"Stomatanthes" R.M.King & H.Rob.
*"Stomatochaeta" (S.F.Blake) Maguire & Wurdack
*"Stramentopappus" H.Rob. & V.A.Funk
*"Streptoglossa" Steetz ex F.Muell.
*"Strotheria" B.L.Turner
*"Struchium" P.Browne
*"Stuartina" Sond.
*"Stuckertiella" Beauverd
*"Stuessya" B.L.Turner & F.G.Davies
*"Stylocline" Nutt.- neststraw, woolly fishhooks
*"Stylotrichium" Mattf.
*"Sventenia" Font Quer
*"Symphyllocarpus" Maxim.
*"Symphyopappus" Turcz.
*"Symphyotrichum" - aster (?)
*"Syncalathium" Lipsch.
*"Syncarpha" DC.
*"Syncephalum" DC.
*"Syncretocarpus" S.F.Blake
*"Synedrella" Gaertn.
*"Synedrellopsis" Hieron. & Kuntze
*"Syneilesis" Maxim.
*"Synosma" (synonym of "Hasteola " Raf.)
*"Synotis" (C.B.Clarke) C.Jeffrey & Y.L.Chen
*"Syntrichopappus" A.Gray - Fremont's gold
*"Synurus" Iljin
*"Syreitschikovia" Pavlov

T

*"Tagetes" L. - marigold
*"Tamananthus" V.M.Badillo
*"Tamania" Cuatrec.
*"Tamaulipa" R.M.King & H.Rob. - boneset
*"Tanacetum" L. - tansy, feverfew
*"Taplinia" Lander
*"Taraxacum" Weber ex F.H.Wigg. - dandelion
*"Tarchonanthus" L.
*"Teixeiranthus" R.M.King & H.Rob.
*"Telanthophora" H.Rob. & Brettell
*"Telekia" Baumg.
*"Telmatophila" Mart. ex Baker
*"Tenrhynea" Hilliard & B.L.Burtt
*"Tephroseris" (Rchb.) Rchb. - fleawort
*"Terana" La Llave
*"Tessaria" Ruiz & Pav.
*"Tetrachyron" Schltdl.
*"Tetradymia" DC - horsebrush
*"Tetragonotheca" L. - nerveray
*"Tetramolopium" Ness
*"Tetraneuris" Greene - four-nerve daisy
*"Tetranthus" Sw.
*"Tetraperone" Urb.
*"Thaminophyllum" Harv.
*"Thamnoseris" F.Phil.
*"Thelesperma" Less. - greenthread
*"Thespidium" F.Muell. ex Benth.
*"Thespis" DC.
*"Thevenotia" DC.
*"Thiseltonia" Hemsl
*"Thurovia" (synonym of "Gutierrezia" Lag.)
*"Thymophylla" Lag. - pricklyleaf
*"Thymopsis" Benth.
*"Tiarocarpus" Rech.f.
*"Tietkensia" P.S.Short
*"Tithonia" Desf. ex Juss.
*"Tolpis" Adans. - umbrella milkwort
*"Tonestus" A.Nelson - serpentweed
*"Tourneuxia" Coss.
*"Townsendia" Hook. - Townsend daisy
*"Toxanthes" Turcz.
*"Tracyina" S.F.Blake - Indian headdress
*"Tragopogon" L. - goat's beard, salsify
*"Traversia" Hook.f.
*"Trichanthemis" Regel & Schmalh.
*"Trichanthodium" Sond. & F.Muell.
*"Trichocline" Cass.
*"Trichocoronis" A.Gray - bugheal
*"Trichocoryne" S.F.Blake
*"Trichogonia" (DC.) Gardner
*"Trichogoniopsis" R.M.King & H.Rob.
*"Trichogyne" Less.
*"Tricholepis" DC.
*"Trichoptilium" A.Gray
*"Trichospira" Kunth
*"Tridactylina" (DC.) Sch.Bip.
*"Tridax" L.
*"Trigonospermum" Less.
*"Trilisa" (Cass.) Cass.
*"Trimorpha" - boreal daisy (?)
*"Trioncinia" (F.Muell.) Veldkamp
*"Tripleurospermum" Sch.Bip. - mayweed
*"Triplocephalum" O.Hoffm.
*"Tripolium" - sea aster (?)
*"Triptilion" Ruiz & Pav.
*"Triptilodiscus" Turcz.
*"Trixis" P.Browne - American threefold, threefold, American trixis, California trixis
*"Troglophyton" Hilliard & B.L.Burtt
*"Tuberostylis" Steetz
*"Tugarinovia" I/trljin
*"Turaniphytum" Poljakov
*"Tussilago" L. - coltsfoot
*"Tuxtla" Villasenor & Strother
*"Tyleropappus" Greenm.
*"Tyrimnus" (Cass.) Cass.

U

*"Uechtritzia" Freyn
*"Ugamia" Pavlov
*"Uleophytum" Hieron.
*"Unxia" L.f.
*"Urbananthus" R.M.King & H.Rob.
*"Urbinella" Greenm.
*"Urmenetea" Phil.
*"Urolepis" (DC.) R.M.King & H.Rob.
*"Uropappus" Nutt. - silverpuffs
*"Urospermum" Scop.
*"Ursinia" Gaertn.

V

*"Vanclevea" Greene
*"Vanillosmopsis" Sch.Bip.
*"Varilla" A.Gray
*"Varthemia" DC.
*"Vellereophyton" Hilliard & B.L.Burtt
*"Venegasia" DC
*"Venidium" (synonym of "Arctotis " L.)
*"Verbesina" L. - crownbeard
*"Vernonia" Schreb - "ironweed (plant)"
*"Vernoniopsis" Humbert
*"Vieraea" Sch.Bip.
*"Viereckia" R.M.King & H.Rob.
*"Vigethia" W.A.Weber
*"Viguiera" Kunth - goldeneye
*"Vilobia" Strother
*"Virgulaster" Semple = Aster L.
*"Vittadinia" A.Rich.
*"Vittetia" R.M.King & H.Rob.
*"Volutaria" Cass.

W

*"Wagenitzia" Dostal
*"Waitzia" J.C.Wendl.
*"Wamalchitamia" Strother
*"Warionia" Benth. & Coss.
*"Wedelia" Jacq. - "creeping-oxeye"
*"Welwitschiella" O.Hoffm.
*"Werneria" Kunth
*"Westoniella" Cuatrec.
*"Whitneya" A.Gray
*"Wilkesia" A.Gray - iliau
*"Wollastonia" DC. ex Decne.
*"Wulffia" Neck. ex Cass.
*"Wunderlichia" Riedel ex Benth.
*"Wyethia" Nutt. - mule-ears

X

*"Xanthisma" DC - sleepydaisy
*"Xanthium" L. - cocklebur
*"Xanthocephalum" Willd.
*"Xanthopappus" C.Winkl.
*"Xeranthemum" L.
*"Xerolekia" Anderb.
*"Xylanthemum" Tzvelev
*"Xylorhiza" - woody aster (?)
*"Xylothamia" G.L.Nesom, Y.B.Suh, D.R.Morgan & B.B.Simpson

Y

*"Yermo" Dorn - desert yellowhead
*"Youngia" Cass.

Z

*"Zaluzania" Pers.
*"Zandera" D.L.Schulz
*"Zexmenia" La Llave
*"Zinnia" L.
*"Zoegea" L.
*"Zyzyxia" Strother

External links

* [http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=35420 ITIS 35420] 2002-09-10
*For full list, see :* [http://www.rbgkew.org.uk/cgi-bin/web.dbs/genlist.pl?COMPOSITAE Kew] :* [http://www.biologie.uni-ulm.de/cgi-bin/system/botsys.pl?id=595&stufe=F&typ=PFL&sid=T&only=no&syno=no&lang=e SysTax]


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