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Source: Apiaceae and Araliaceae of North America Update, database (version 2011)

ITIS records citing this source
 
 Kingdom Plantae
  Acanthopanax senticosus (Rupr. & Maxim.) Harms -- not accepted
  Acanthopanax sieboldianus Makino -- not accepted
  Aciphylla J.R. Forst. & G. Forst. -- accepted -- fierce Spaniard
  Aciphylla ferox W.R.B. Oliv. -- accepted -- fierce Spaniard
  Aegopodium L. -- accepted -- goutweed
  Aegopodium podagraria L. -- accepted -- bishop's goutweed
  Aegopodium podagraria var. variegatum L.H. Bailey -- not accepted
  Aethusa L. -- accepted
  Aethusa cynapium L. -- accepted -- fool's parsley
  Aletes J.M. Coult. & Rose -- accepted -- Indian parsley
  Aletes acaulis (Torr.) J.M. Coult. & Rose -- accepted -- stemless Indian parsley
  Aletes anisatus (A. Gray) W.L. Theob. & C.C. Tseng -- accepted -- Rocky Mountain Indian parsley
  Aletes bipinnata (S. Watson) W.A. Weber -- not accepted
  Aletes davidsonii J.M. Coult. & Rose -- not accepted
  Aletes eastwoodiae (J.M. Coult. & Rose) W.A. Weber -- not accepted
  Aletes filifolius Mathias, Constance & W.L. Theob. -- accepted -- Trans-Pecos Indian parsley
  Aletes hendersonii (J.M. Coult. & Rose) W.A. Weber -- not accepted
  Aletes humilis J.M. Coult. & Rose -- accepted -- Colorado aletes
  Aletes juncea (Barneby & N.H. Holmgren) W.A. Weber -- not accepted
  Aletes latiloba (Rydb.) W.A. Weber -- not accepted
  Aletes lithophila (Mathias) W.A. Weber -- not accepted
  Aletes longiloba (Rydb.) W.A. Weber -- not accepted
  Aletes macdougalii J.M. Coult. & Rose -- accepted -- MacDougal's aletes, MacDougal's Indian parsley, MacDougal's Indian-parsley
  Aletes macdougalii ssp. breviradiatus W.L. Theob. & C.C. Tseng -- accepted -- MacDougal's Indian parsley
  Aletes macdougalii ssp. macdougalii J.M. Coult. & Rose -- accepted -- MacDougal's Indian parsley
  Aletes megarrhiza (A. Nelson) W.A. Weber -- not accepted
  Aletes minima (Mathias) W.A. Weber -- not accepted
  Aletes nivalis (S. Watson) W.A. Weber -- not accepted
  Aletes nuttallii (A. Gray) W.A. Weber -- not accepted
  Aletes parryi (S. Watson) W.A. Weber -- not accepted
  Aletes petraea (M.E. Jones) W.A. Weber -- not accepted
  Aletes scabra (J.M. Coult. & Rose) W.A. Weber -- not accepted
  Aletes sessiliflorus W.L. Theob. & C.C. Tseng -- accepted -- sessileflower Indian parsley
  Aletes tenuifolius (Nutt. ex Torr. & A. Gray) W.A. Weber -- not accepted
  Ammi L. -- accepted
  Ammi copticum L. -- not accepted
  Ammi majus L. -- accepted -- large bullwort
  Ammi visnaga (L.) Lam. -- accepted -- toothpickweed
  Ammoselinum Torr. & A. Gray -- accepted -- sandparsley
  Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose -- accepted -- Butler's sandparsley
  Ammoselinum giganteum J.M. Coult. & Rose -- accepted -- sand parsley, western sand-parsley, western sandparsley
  Ammoselinum popei Torr. & A. Gray -- accepted -- plains sandparsley
  Anethum L. -- accepted -- dill
  Anethum graveolens L. -- accepted -- dill
  Angelica L. -- accepted -- angelica, wild celery
  Angelica ampla A. Nelson -- accepted -- giant angelica
  Angelica archangelica L. -- accepted -- Norwegian angelica
  Angelica archangelica ssp. archangelica L. -- accepted -- Norwegian angelica
  Angelica archangelica ssp. litoralis (Fr.) Thell. -- accepted -- Norwegian angelica
  Angelica archangelica ssp. norvegica (Rupr.) Nordh. -- accepted
  Angelica arguta Nutt. ex Torr. & A. Gray -- accepted -- angelica, Lyall's angelica, sharptooth angelica
  Angelica arguta var. breweri (A. Gray) Di Tomaso -- not accepted
  Angelica atropurpurea L. -- accepted -- purplestem angelica
  Angelica atropurpurea var. occidentalis Fassett -- not accepted
  Angelica breweri A. Gray -- accepted -- Brewer's angelica
  Angelica californica Jeps. -- accepted -- California angelica
  Angelica callii Mathias & Constance -- accepted -- Call's angelica
  Angelica canbyi J.M. Coult. & Rose -- accepted -- Canby's angelica
  Angelica curtisii Buckley -- not accepted
  Angelica dawsonii S. Watson -- accepted -- Dawson's angelica
  Angelica dentata (Chapm.) J.M. Coult. & Rose -- accepted -- coastal plain angelica, coastalplain angelica
  Angelica genuflexa Nutt. -- accepted -- kneeling angelica
  Angelica grayi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Gray's angelica
  Angelica hendersonii J.M. Coult. & Rose -- accepted -- Henderson's angelica
  Angelica kingii (S. Watson) J.M. Coult. & Rose -- accepted -- King's angelica
  Angelica laurentiana Fernald -- accepted -- angélique du Saint-Laurent, St. Lawrence angelica, st. lawrence angelica
  Angelica lineariloba A. Gray -- accepted -- poison angelica, Sierra angelica
  Angelica lineariloba var. culbertsonii Jeps. -- not accepted
  Angelica litoralis Fr. -- not accepted
  Angelica lucida L. -- accepted -- seacoast angelica
  Angelica lyallii S. Watson -- not accepted
  Angelica pinnata S. Watson -- accepted -- small-leaf angelica, smallleaf angelica
  Angelica roseana L.F. Hend. -- accepted -- rose angelica
  Angelica scabrida Clokey & Mathias ex Clokey -- accepted -- Charleston Mountain angelica
  Angelica sylvestris L. -- accepted -- woodland angelica
  Angelica tomentosa S. Watson -- accepted -- woolly angelica
  Angelica tomentosa var. californica (Jeps.) Jeps. -- not accepted
  Angelica tomentosa var. hendersonii (J.M. Coult. & Rose) Di Tomaso -- not accepted
  Angelica tomentosa var. tomentosa S. Watson -- not accepted -- woolly angelica
  Angelica triquinata Michx. -- accepted -- filmy angelica
  Angelica venenosa (Greenway) Fernald -- accepted -- hairy angelica, venous angelica
  Angelica villosa (Walter) Britton, Sterns & Poggenb. -- not accepted
  Angelica wheeleri S. Watson -- accepted -- Utah angelica
  Anisum vulgare Gaertn. -- not accepted
  Anthriscus Pers. -- accepted -- chervil
  Anthriscus caucalis M. Bieb. -- accepted -- bur chervil, burr chervil
  Anthriscus cerefolium (L.) Hoffm. -- accepted -- garden chervil
  Anthriscus longirostris Bertol. -- not accepted
  Anthriscus neglecta var. scandix (Scop.) Hyl. -- not accepted
  Anthriscus scandicina Mansf. -- not accepted
  Anthriscus sylvestris (L.) Hoffm. -- accepted -- bur chervil, cow parsley, keck, wild chervil
  Apiaceae -- accepted
  Apiastrum Nutt. ex Torr. & A. Gray -- accepted
  Apiastrum angustifolium Nutt. -- accepted -- mock parsley
  Apiastrum patens (Nutt. ex DC.) J.M. Coult. & Rose -- not accepted
  Apium L. -- accepted -- celery, wild celery
  Apium dulce Mill. -- not accepted
  Apium echinatum (Nutt. ex DC.) Benth. & Hook. f. ex S. Watson -- not accepted
  Apium graveolens L. -- accepted -- wild celery
  Apium graveolens var. dulce (Mill.) DC. -- accepted -- wild celery
  Apium graveolens var. graveolens L. -- accepted
  Apium graveolens var. rapaceum (Mill.) Gaudin -- accepted -- celeriac
  Apium leptophyllum (Pers.) F. Muell. ex Benth. -- not accepted
  Apium nodiflorum (L.) Lag. -- accepted -- European marshwort
  Apium petroselinum L. -- not accepted
  Apium prostratum Labill. -- accepted -- prostrate marshwort
  Apium rapaceum Mill. -- not accepted
  Apium repens (Jacq.) Lag. -- accepted -- creeping marshwort
  Apium tenuifolium (Moench) Thell. ex Hegi -- not accepted
  Aralia L. -- accepted -- spikenard
  Aralia bicrenata Wooton & Standl. -- not accepted
  Aralia californica S. Watson -- accepted -- California spikenard
  Aralia capitata Jacq. -- not accepted
  Aralia chinensis L. -- accepted -- Chinese angelica tree
  Aralia cordata Thunb. -- accepted -- udo
  Aralia edulis Siebold & Zucc. -- not accepted
  Aralia elata (Miq.) Seem. -- accepted -- Japanese angelica tree
  Aralia hispida Vent. -- accepted -- bristly sarsaparilla
  Aralia humilis Cav. -- accepted -- Arizona spikenard
  Aralia nudicaulis L. -- accepted -- wild sarsaparilla
  Aralia papyrifera Hook. -- not accepted -- Chinese rice-paper plant, rice-paper plant
  Aralia pentaphylla Siebold & Zucc. -- not accepted
  Aralia racemosa L. -- accepted -- American spikenard
  Aralia racemosa ssp. bicrenata (Wooton & Standl.) S.L. Welsh & N.D. Atwood -- accepted -- American spikenard
  Aralia racemosa ssp. racemosa L. -- accepted -- American spikenard
  Aralia spinosa L. -- accepted -- angelicatree, devil's walkingstick, devils walkingstick
  Araliaceae -- accepted -- ginseng
  Archangelica officinalis (Moench) Hoffm. -- not accepted
  Arracacia Bancr. -- accepted -- arracacia
  Arracacia esculenta DC. -- not accepted
  Arracacia xanthorrhiza Bancr. -- accepted -- arracacha
  Arthrophyllum pinnatum (Lam.) C.B. Clarke -- not accepted
  Astrantia L. -- accepted -- masterwort
  Astrantia major L. -- accepted -- greater masterwort
  Atenia montana (Blank.) Rydb. -- not accepted
  Aulospermum minimum Mathias -- not accepted
  Aulospermum rosei M.E. Jones ex J.M. Coult. & Rose -- not accepted
  Berula Besser ex W.D.J. Koch -- accepted -- water parsnip, waterparsnip
  Berula angustifolia (L.) Mert. & W.D.J. Koch -- not accepted
  Berula erecta (Huds.) Coville -- accepted -- cut-leaf-water-parsnip, cutleaf waterparsnip, stalky berula
  Berula erecta var. incisa (Torr.) Cronquist -- not accepted
  Berula incisa (Torr.) G.N. Jones -- not accepted
  Berula pusilla Fernald -- not accepted
  Berula thunbergii (DC.) H. Wolff -- not accepted
  Bifora Hoffm. -- accepted -- bishop
  Bifora americana Benth. & Hook. f. ex S. Watson -- accepted -- prairie bishop
  Bifora radians M. Bieb. -- accepted -- wild bishop
  Bifora testiculata (L.) Spreng. -- accepted -- European bishop
  Bowlesia Ruiz & Pav. -- accepted
  Bowlesia incana Ruiz & Pav. -- accepted -- hairy bowlesia, hoary bowlesia
  Bowlesia septentrionalis J.M. Coult. & Rose -- not accepted
  Brassaia actinophylla Endl. -- not accepted
  Bulbocastanum linnaei Schur -- not accepted
  Bunium L. -- accepted -- earth-nut
  Bunium bulbocastanum L. -- accepted -- earth-nut, great pignut
  Bupleurum L. -- accepted
  Bupleurum americanum J.M. Coult. & Rose -- accepted -- American thorow wax
  Bupleurum fontanesii Guss. ex Caruel -- not accepted
  Bupleurum lancifolium Hornem. -- accepted -- lanceleaf thorow wax
  Bupleurum odontites L. -- accepted -- narrowleaf thorow wax
  Bupleurum protractum Hoffm. & Link -- not accepted
  Bupleurum ranunculoides L. -- accepted
  Bupleurum rotundifolium L. -- accepted -- hare's ear, hare's-ear
  Bupleurum subovatum Link ex Spreng. -- not accepted
  Bupleurum triradiatum ssp. arcticum (Regel) Hultén -- not accepted
  Calestania palustris (L.) Koso-Pol. -- not accepted
  Caropsis (Rouy & E.G. Camus) Rauschert -- accepted
  Caropsis verticillatoinundata (Thore) Rauschert -- accepted
  Carum L. -- accepted
  Carum bulbocastanum (L.) W.D.J. Koch -- not accepted
  Carum carvi L. -- accepted -- caraway, wild caraway
  Carum copticum (L.) Benth. & Hook. f. ex C.B. Clarke -- not accepted
  Carum gairdneri (Hook. & Arn.) A. Gray -- not accepted
  Carum montanum Blank. -- not accepted
  Carum petroselinum (L.) Benth. & Hook. f. -- not accepted
  Carum velenovskyi Rohlena -- not accepted
  Carum verticillatum (L.) W.D.J. Koch -- accepted
  Caucalis L. -- accepted -- bur parsley, burr parsley
  Caucalis latifolia L. -- not accepted
  Caucalis microcarpa Hook. & Arn. -- not accepted
  Caucalis platycarpos L. -- accepted -- carrot bur parsley, carrot burr parsley
  Celeri graveolens (L.) Britton -- not accepted
  Centella L. -- accepted
  Centella asiatica (L.) Urb. -- accepted -- spadeleaf
  Centella erecta (L. f.) Fernald -- not accepted -- erect centella
  Centella repanda (Pers.) Small -- not accepted
  Centella villosa L. -- accepted
  Cerefolium cerefolium (L.) Schinz & Thell. -- not accepted
  Chaerophyllum L. -- accepted -- chervil
  Chaerophyllum aromaticum L. -- accepted
  Chaerophyllum bulbosum L. -- accepted -- turnip-root chervil, turniproot chervil
  Chaerophyllum dasycarpum (Hook. ex S. Watson) Nutt. ex Small -- not accepted
  Chaerophyllum floridanum (J.M. Coult. & Rose) Bush -- not accepted
  Chaerophyllum procumbens (L.) Crantz -- accepted -- spreading chervil
  Chaerophyllum procumbens var. procumbens (L.) Crantz -- accepted -- spreading chervil
  Chaerophyllum procumbens var. shortii Torr. & A. Gray -- accepted -- Short's spreading chervil
  Chaerophyllum procumbens var. tainturieri (Hook.) J.M. Coult. & Rose -- not accepted
  Chaerophyllum shortii (Torr. & A. Gray) Bush -- not accepted
  Chaerophyllum sylvestre L. -- not accepted
  Chaerophyllum tainturieri Hook. -- accepted -- chervil, hairy-fruit chervil, hairyfruit chervil
  Chaerophyllum tainturieri var. dasycarpum Hook. ex S. Watson -- accepted -- hairyfruit chervil
  Chaerophyllum tainturieri var. floridanum J.M. Coult. & Rose -- not accepted
  Chaerophyllum tainturieri var. tainturieri Hook. -- accepted -- hairyfruit chervil
  Chaerophyllum temulum L. -- accepted -- rough chervil
  Chaerophyllum texanum J.M. Coult. & Rose -- not accepted
  Cheirodendron Nutt. ex Seem. -- accepted
  Cheirodendron dominii Krajina -- accepted -- Domin's club
  Cheirodendron fauriei Hochr. -- accepted -- Faurie's club
  Cheirodendron fauriei var. macdanielsii Sherff -- not accepted
  Cheirodendron forbesii (Sherff) Lowry -- accepted -- olapa
  Cheirodendron helleri Sherff -- not accepted
  Cheirodendron helleri var. microcarpum Sherff -- not accepted
  Cheirodendron helleri var. multiflorum (Skottsb.) Sherff -- not accepted
  Cheirodendron helleri var. sodalium Sherff -- not accepted
  Cheirodendron kauaiense Krajina -- not accepted
  Cheirodendron kauaiense var. forbesii Sherff -- not accepted
  Cheirodendron kauaiense var. keakuense Krajina -- not accepted
  Cheirodendron platyphyllum (Hook. & Arn.) Seem. -- accepted -- lapalapa
  Cheirodendron platyphyllum ssp. kauaiense (Krajina) Lowry -- accepted -- lapalapa
  Cheirodendron platyphyllum ssp. platyphyllum (Hook. & Arn.) Seem. -- accepted -- lapalapa
  Cheirodendron trigynum (Gaudich.) A. Heller -- accepted -- olapalapa
  Cheirodendron trigynum ssp. helleri (Sherff) Lowry -- accepted -- olapalapa
  Cheirodendron trigynum ssp. trigynum (Gaudich.) A. Heller -- accepted -- olapalapa
  Cheirodendron trigynum var. acuminatum Skottsb. -- not accepted
  Cheirodendron trigynum var. confertiflorum Sherff -- not accepted
  Cheirodendron trigynum var. degeneri Sherff -- not accepted
  Cheirodendron trigynum var. fosbergii Sherff -- not accepted
  Cheirodendron trigynum var. halawanum Sherff -- not accepted
  Cheirodendron trigynum var. hillebrandii Sherff -- not accepted
  Cheirodendron trigynum var. ilicoides Sherff -- not accepted
  Cheirodendron trigynum var. mauiensis H. Lév. -- not accepted
  Cheirodendron trigynum var. molokaiense Sherff -- not accepted
  Cheirodendron trigynum var. oblongum Sherff -- not accepted
  Cheirodendron trigynum var. osteostigma Sherff -- not accepted
  Cheirodendron trigynum var. rockii Sherff -- not accepted
  Cheirodendron trigynum var. skottsbergii Sherff -- not accepted
  Cheirodendron trigynum var. subcordatum Sherff -- not accepted
  Ciclospermum Lag. -- not accepted -- ciclospermum
  Ciclospermum ammi Lag. -- not accepted
  Ciclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- not accepted -- marsh parsley
  Ciclospermum nodiflorum (L.) W.D.J. Koch -- not accepted
  Cicuta L. -- accepted -- water hemlock
  Cicuta bolanderi S. Watson -- not accepted -- Bolander water-hemlock
  Cicuta bulbifera L. -- accepted -- bulb waterhemlock, bulblet-bearing water hemlock, bulblet-bearing water-hemlock
  Cicuta curtissii J.M. Coult. & Rose -- not accepted
  Cicuta douglasii (DC.) J.M. Coult. & Rose -- accepted -- Douglas' waterhemlock, water hemlock, western water hemlock
  Cicuta mackenzieana Raup -- not accepted
  Cicuta maculata L. -- accepted -- common water hemlock, poison parsnip, spotted cowbane, spotted parsley, spotted water hemlock, spotted water-hemlock, spotted waterhemlock, water hemlock
  Cicuta maculata var. angustifolia Hook. -- accepted -- common water hemlock, poison parsnip, spotted cowbane, spotted parsley, spotted water hemlock, spotted water-hemlock, water hemlock
  Cicuta maculata var. bolanderi (S. Watson) G.A. Mulligan -- accepted -- Bolander cicuta, common water hemlock, poison parsnip, spotted cowbane, spotted parsley, spotted water hemlock, water hemlock
  Cicuta maculata var. californica (A. Gray) B. Boivin -- not accepted
  Cicuta maculata var. curtissii (J.M. Coult. & Rose) Fernald -- not accepted
  Cicuta maculata var. maculata L. -- accepted -- common water hemlock, poison parsnip, spotted cowbane, spotted parsley, spotted water hemlock, spotted water-hemlock, water hemlock
  Cicuta maculata var. victorinii (Fernald) B. Boivin -- accepted -- cicutaire maculée variété de Victorin, spotted water hemlock
  Cicuta mexicana J.M. Coult. & Rose -- not accepted
  Cicuta occidentalis Greene -- not accepted
  Cicuta victorinii Fernald -- not accepted
  Cicuta virosa L. -- accepted -- Mackenzie's water hemlock
  Cnidium Cusson ex Juss. -- accepted -- snowparsley
  Cnidium ajanense (Regel & Tiling) Drude -- not accepted
  Cnidium cnidiifolium (Turcz.) Schischk. -- accepted -- Jakutsk snowparsley
  Cnidium monnieri (L.) Cusson -- accepted -- Monnier's snowparsley
  Coelopleurum actaeifolium (Michx.) J.M. Coult. & Rose -- not accepted
  Coelopleurum gmelinii (DC.) Ledeb. -- not accepted
  Coelopleurum lucidum (L.) Fernald -- not accepted
  Coelopleurum lucidum ssp. gmelinii (DC.) Á. Löve & D. Löve -- not accepted
  Cogswellia daucifolia (Torr. & A. Gray) M.E. Jones -- not accepted
  Cogswellia foeniculacea (Nutt.) J.M. Coult. & Rose -- not accepted
  Cogswellia macrocarpa (Nutt. ex Torr. & A. Gray) M.E. Jones -- not accepted
  Cogswellia marginata (Benth.) M.E. Jones -- not accepted
  Cogswellia nudicaulis (Pursh) M.E. Jones -- not accepted
  Cogswellia orientalis (J.M. Coult. & Rose) M.E. Jones -- not accepted
  Cogswellia villosa (Raf.) Schult. -- not accepted
  Conioselinum Fisch. ex Hoffm. -- accepted -- hemlock parsley, hemlockparsley
  Conioselinum chinense (L.) Britton, Sterns & Poggenb. -- accepted -- Chinese hemlockparsley
  Conioselinum chinense var. pacificum (S. Watson) B. Boivin -- not accepted
  Conioselinum cnidiifolium (Turcz.) A.E. Porsild -- not accepted
  Conioselinum gmelinii (Cham. & Schlecht.) J.M. Coult. & Rose -- not accepted
  Conioselinum mexicanum J.M. Coult. & Rose -- accepted -- Mexican hemlock-parsley, Mexican hemlockparsley
  Conioselinum pacificum (S. Watson) J.M. Coult. & Rose -- not accepted
  Conioselinum pumilum Rose -- not accepted
  Conioselinum scopulorum (A. Gray) J.M. Coult. & Rose -- accepted -- Rocky Mountain hemlock-parsley, Rocky Mountain hemlockparsley
  Conium L. -- accepted -- poison hemlock
  Conium maculatum L. -- accepted -- cigue maculee, cigue tachetee, deadly hemlock, poison hemlock, poison parsley, poison-hemlock
  Coriandrum L. -- accepted -- coriander
  Coriandrum sativum L. -- accepted -- Chinese parsley, Chinese-parsley, coriander
  Cryptotaenia DC. -- accepted -- honewort
  Cryptotaenia canadensis (L.) DC. -- accepted -- Canadian honewort, honewort
  Cryptotaenia japonica Hassk. -- accepted -- Japanese honewort
  Cumimum L. -- not accepted
  Cumimum cyminum L. -- not accepted
  Cuminum L. -- accepted -- cumin
  Cuminum cyminum L. -- accepted -- cumin
  Cuminum odorum Salisb. -- not accepted
  Cyclospermum Lag. -- accepted -- marsh parsley
  Cyclospermum ammi Lag. -- not accepted
  Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- accepted -- marsh parsley
  Cyclospermum nodiflorum (L.) W.D.J. Koch -- not accepted
  Cymopterus Raf. -- accepted -- springparsley
  Cymopterus aboriginum M.E. Jones -- accepted -- Indian parsnip, Indian springparsley
  Cymopterus acaulis Raf. -- not accepted -- plains spring parsley, plains springparsley, stemless springparsley, wild parsley
  Cymopterus acaulis var. acaulis Raf. -- not accepted -- plains spring-parsley, plains springparsley
  Cymopterus acaulis var. fendleri (A. Gray) Goodrich -- not accepted -- Fendler spring parsley, Fendler's springparsley
  Cymopterus acaulis var. greeleyorum J.W. Grimes & P.L. Packard -- not accepted -- Greeley springparsley
  Cymopterus acaulis var. higginsii (S.L. Welsh) Goodrich -- not accepted -- Higgins biscuitroot, Higgins' springparsley
  Cymopterus acaulis var. parvus Goodrich -- not accepted -- plains springparsley
  Cymopterus alpinus A. Gray -- not accepted
  Cymopterus anisatus A. Gray -- not accepted
  Cymopterus bakeri (J.M. Coult. & Rose) M.E. Jones -- not accepted
  Cymopterus basalticus M.E. Jones -- accepted -- basalt springparsley
  Cymopterus beckii S.L. Welsh & Goodrich -- accepted -- featherleaf springparsley
  Cymopterus bipinnatus S. Watson -- not accepted
  Cymopterus breviradiatus (W.L. Theob. & C.C. Tseng) R.L. Hartm. -- not accepted
  Cymopterus bulbosus A. Nelson -- accepted -- bulbous spring parsley, bulbous springparsley
  Cymopterus cinerarius A. Gray -- accepted -- gray springparsley
  Cymopterus constancei R.L. Hartm. -- accepted -- Constance's springparsley
  Cymopterus corrugatus M.E. Jones -- accepted -- corrugate-wing springparsley, wrinklewing springparsley
  Cymopterus coulteri (M.E. Jones) Mathias -- accepted -- Coulter biscuitroot, twoleaf springparsley
  Cymopterus davidsonii (J.M. Coult. & Rose) R.L. Hartm. -- not accepted -- Davidson's wavewing
  Cymopterus davisii R.L. Hartm. -- accepted -- Davis' springparsley
  Cymopterus deserticola Brandegee -- accepted -- desert cymopterus, desert springparsley
  Cymopterus douglassii R.L. Hartm. & Constance -- accepted -- Douglass' springparsley
  Cymopterus duchesnensis M.E. Jones -- accepted -- Duchesne biscuitroot, Uinta Basin springparsley
  Cymopterus evertii R.L. Hartm. & R.S. Kirkp. -- accepted -- Evert's springparsley
  Cymopterus fendleri A. Gray -- not accepted
  Cymopterus gilmanii Morton -- accepted -- Gilman's springparsley
  Cymopterus glaucus Nutt. -- accepted -- smooth springparsley, waxy springparsley
  Cymopterus globosus (S. Watson) S. Watson -- accepted -- globe springparsley, globose springparsley
  Cymopterus glomeratus (Nutt.) DC. -- accepted -- plains springparsley
  Cymopterus glomeratus var. fendleri (A. Gray) R.L. Hartm. -- not accepted -- Fendler's springparsley
  Cymopterus goodrichii S.L. Welsh & Neese -- accepted -- Goodrich's springparsley, Toiyabe springparsley
  Cymopterus hendersonii (J.M. Coult. & Rose) Cronquist -- not accepted
  Cymopterus higginsii S.L. Welsh -- not accepted
  Cymopterus humboldtensis M.E. Jones -- not accepted
  Cymopterus ibapensis M.E. Jones -- accepted -- Ibapah springparsley
  Cymopterus jonesii J.M. Coult. & Rose -- accepted -- Jones' springparsley
  Cymopterus lapidosus (M.E. Jones) M.E. Jones -- accepted -- talus springparsley
  Cymopterus lemmonii (J.M. Coult. & Rose) Dorn -- not accepted
  Cymopterus littoralis auct. non A. Gray -- not accepted
  Cymopterus longilobus (Rydb.) W.A. Weber -- not accepted
  Cymopterus longipes S. Watson -- accepted -- longstalk springparsley
  Cymopterus longipes var. ibapensis (M.E. Jones) Cronquist -- not accepted
  Cymopterus macdougalii (J.M. Coult. & Rose) Tidestr. -- not accepted
  Cymopterus macrorhizus Buckley -- accepted -- bigroot springparsley
  Cymopterus megacephalus M.E. Jones -- accepted -- large-leaf spring parsley, largeleaf springparsley
  Cymopterus minimus (Mathias) Mathias -- accepted -- Cedar Breaks biscuitroot, Cedar Breaks springparsley
  Cymopterus montanus Nutt. ex Torr. & A. Gray -- accepted -- Montana wavewing, mountain springparsley
  Cymopterus multinervatus (J.M. Coult. & Rose) Tidestr. -- accepted -- Arizona springparsley, purplenerve springparsley, wild parsnip
  Cymopterus newberryi (S. Watson) M.E. Jones -- accepted -- sweet-root spring parsley, sweetroot springparsley
  Cymopterus nivalis S. Watson -- accepted -- snowline springparsley
  Cymopterus packardiae Cronquist -- not accepted -- Packard's cymopterus
  Cymopterus panamintensis J.M. Coult. & Rose -- accepted -- Panamint springparsley
  Cymopterus panamintensis var. acutifolius (J.M. Coult. & Rose) Munz -- accepted -- Panamint springparsley
  Cymopterus panamintensis var. panamintensis J.M. Coult. & Rose -- accepted -- Panamint springparsley
  Cymopterus petraeus M.E. Jones -- not accepted
  Cymopterus planosus (Osterh.) Mathias -- accepted -- Rocky Mountain springparsley
  Cymopterus purpurascens (A. Gray) M.E. Jones -- accepted -- Utah springparsley, widewing spring parsley, widewing springparsley
  Cymopterus purpureus S. Watson -- accepted -- purple spring parsley, purple springparsley
  Cymopterus purpureus var. jonesii (J.M. Coult. & Rose) Goodrich -- not accepted
  Cymopterus purpureus var. rosei (M.E. Jones ex J.M. Coult. & Rose) Goodrich -- not accepted
  Cymopterus ripleyi Barneby -- accepted -- Ripley's springparsley
  Cymopterus ripleyi var. saniculoides Barneby -- not accepted
  Cymopterus rosei (M.E. Jones ex J.M. Coult. & Rose) M.E. Jones -- accepted -- Rose's springparsley
  Cymopterus sessiliflorus (W.L. Theob. & C.C. Tseng) R.L. Hartm. -- not accepted -- sessileflower Indian parsley
  Cymopterus terebinthinus (Hook.) Torr. & A. Gray -- not accepted
  Cymopterus terebinthinus var. albiflorus (Torr. & A. Gray) M.E. Jones -- not accepted
  Cymopterus terebinthinus var. calcareus (M.E. Jones) Cronquist -- not accepted
  Cymopterus terebinthinus var. californicus (J.M. Coult. & Rose) Jeps. -- not accepted
  Cymopterus terebinthinus var. foeniculaceus (Nutt. ex Torr. & A. Gray) Cronquist -- not accepted
  Cymopterus terebinthinus var. petraeus (M.E. Jones) Goodrich -- not accepted
  Cymopterus trotteri (S.L. Welsh & Goodrich) Cronquist -- not accepted
  Cymopterus watsonii (J.M. Coult. & Rose) M.E. Jones -- not accepted
  Cymopterus williamsii R.L. Hartm. & Constance -- accepted -- Williams' springparsley
  Cynomarathrum alpinum (S. Watson) J.M. Coult. & Rose -- not accepted
  Cynomarathrum brandegeei J.M. Coult. & Rose -- not accepted
  Cynomarathrum nuttallii (A. Gray) J.M. Coult. & Rose -- not accepted
  Cynosciadium DC. -- accepted
  Cynosciadium digitatum DC. -- accepted -- finger dogshade, fringed dogshade
  Cynosciadium pinnatum DC. -- not accepted
  Daucosma Engelm. & A. Gray ex A. Gray -- accepted
  Daucosma laciniata Engelm. & A. Gray -- accepted -- meadow parasol
  Daucus L. -- accepted -- carrot, wild carrot
  Daucus carota L. -- accepted -- bird's nest, Queen Anne's lace, wild carrot
  Daucus carota ssp. carota L. -- not accepted -- bird's nest, Queen Anne's lace, wild carrot
  Daucus carota ssp. sativus (Hoffm.) Arcang. -- not accepted -- bird's nest, carrot, Queen Anne's lace, wild carrot
  Daucus pusillus Michx. -- accepted -- American wild carrot, rattlesnake carrot, rattlesnake weed, southwest wild carrot
  Dendropanax Decne. & Planch. -- accepted
  Dendropanax arboreus (L.) Decne. & Planch. -- accepted -- angelica tree
  Dendropanax laurifolius (Marchal ex Urb.) R.C. Schneid. -- accepted -- palo de vaca
  Deringa canadensis (L.) Kuntze -- not accepted
  Didymopanax Decne. & Planch. -- not accepted
  Didymopanax attenuatus (Sw.) Marchal -- not accepted
  Didymopanax gleasonii Britton & P. Wilson -- not accepted
  Didymopanax morototonii (Aubl.) Decne. & Planch. -- not accepted -- matchwood
  Didymopanax morotoyoni (Aubl.) Decne. & Planch. -- not accepted
  Dimorphanthus elatus Miq. -- not accepted
  Discopleura nuttallii DC. -- not accepted
  Dorema D. Don -- accepted
  Dorema ammoniacum D. Don -- accepted -- ammoniakum
  Echinopanax horridus (Sm.) Decne. & Planch. ex Harms -- not accepted
  Eleutherococcus Maxim. -- accepted -- ginseng
  Eleutherococcus pentaphyllus (Siebold & Zucc.) Nakai -- not accepted
  Eleutherococcus senticosus (Rupr. & Maxim.) Maxim. -- accepted -- Siberian ginseng
  Eleutherococcus trifoliatus (L.) S.Y. Hu -- accepted
  Epallageiton glaucum (Nutt.) Koso-Pol. -- not accepted
  Epallageiton ibapense (M.E. Jones) Koso-Pol. -- not accepted
  Epallageiton jonesii (J.M. Coult. & Rose) Koso-Pol. -- not accepted
  Epallageiton longipes (S. Watson) Koso-Pol. -- not accepted
  Epallageiton panamintense (J.M. Coult. & Rose) Koso-Pol. -- not accepted
  Epallageiton purpureum (S. Watson) Koso-Pol. -- not accepted
  Epallageiton watsonii (J.M. Coult. & Rose) Koso-Pol. -- not accepted
  Erigenia Nutt. -- accepted
  Erigenia bulbosa (Michx.) Nutt. -- accepted -- harbinger of spring
  Eryngium L. -- accepted -- eryngo
  Eryngium alismifolium Greene -- accepted -- Modoc eryngo
  Eryngium amethystinum L. -- accepted -- amethyst eryngo
  Eryngium aquaticum L. -- accepted -- rattlesnakemaster
  Eryngium aquaticum var. aquaticum L. -- accepted -- rattlesnakemaster
  Eryngium aquaticum var. floridanum (J.M. Coult. & Rose) Mathias & Constance -- not accepted
  Eryngium aquaticum var. ravenelii (A. Gray) Mathias & Constance -- accepted -- rattlesnakemaster
  Eryngium aristulatum Jeps. -- accepted -- California eryngo
  Eryngium aristulatum ssp. parishii (J.M. Coult. & Rose) R.M. Beauch. -- not accepted
  Eryngium aristulatum var. aristulatum Jeps. -- accepted -- California eryngo
  Eryngium aristulatum var. hooveri Sheikh -- accepted -- Hoover's button-celery, Hoover's eryngo
  Eryngium aristulatum var. parishii (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Parish's eryngo, San Diego button-celery
  Eryngium armatum (S. Watson) J.M. Coult. & Rose -- accepted -- coastal eryngo
  Eryngium aromaticum Baldw. -- accepted -- fragrant eryngo
  Eryngium articulatum Hook. -- accepted -- beethistle
  Eryngium baldwinii Spreng. -- accepted -- Baldwin's eryngo
  Eryngium campestre L. -- accepted -- field eryngo
  Eryngium castrense Jeps. -- accepted -- Great Valley eryngo
  Eryngium constancei Sheikh -- accepted -- Loch Lomond coyote-thistle, Loch Lomond eryngo
  Eryngium creticum Lam. -- accepted -- eryngo
  Eryngium cuneifolium Small -- accepted -- snakeroot, wedgeleaf eryngo
  Eryngium diffusum Torr. -- accepted -- bushy eryngo, spreading eryngo
  Eryngium divaricatum Hook. & Arn. -- accepted -- ballast eryngo
  Eryngium floridanum J.M. Coult. & Rose -- not accepted
  Eryngium foetidum L. -- accepted -- spiritweed
  Eryngium heterophyllum Engelm. -- accepted -- Wright's eryngo
  Eryngium hookeri Walp. -- accepted -- Hooker's eryngo
  Eryngium integrifolium Walter -- accepted -- blueflower eryngo, simpleleaf eryngo
  Eryngium leavenworthii Torr. & A. Gray -- accepted -- Leavenworth's eryngo
  Eryngium lemmonii J.M. Coult. & Rose -- accepted -- Chiricahua Mountain eryngo
  Eryngium ludovicianum Morong -- not accepted
  Eryngium maritimum L. -- accepted -- seaside eryngo
  Eryngium mathiasiae Sheikh -- accepted -- Mathias' coyote-thistle, Mathias' eryngo
  Eryngium nasturtiifolium Juss. ex Delar. f. -- accepted -- hierba del sapo, hierba-del-sapo
  Eryngium parishii J.M. Coult. & Rose -- not accepted
  Eryngium pendletonensis K.L. Marsden & M.G. Simpson -- accepted -- Pendleton's eryngo
  Eryngium petiolatum Hook. -- accepted -- rushleaf eryngo
  Eryngium phyteumae Delar. f. -- accepted -- Huachuca Mountain eryngo
  Eryngium pinnatisectum Jeps. -- accepted -- Tuolumne coyote-thistle, Tuolumne eryngo
  Eryngium planum L. -- accepted -- plains eryngo
  Eryngium prostratum Nutt. ex DC. -- accepted -- creeping eryngo
  Eryngium prostratum var. disjunctum Fernald -- not accepted
  Eryngium racemosum Jeps. -- accepted -- Delta coyote-thistle, Delta eryngo
  Eryngium ravenelii A. Gray -- not accepted
  Eryngium sparganophyllum Hemsl. -- accepted -- Arizona eryngo
  Eryngium spinosepalum Mathias -- accepted -- spinysepal eryngo, spinysepaled eryngo
  Eryngium synchaetum (A. Gray ex J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted
  Eryngium vaseyi J.M. Coult. & Rose -- accepted -- coyotethistle
  Eryngium vaseyi var. castrense (Jeps.) Hoover ex Mathias & Constance -- not accepted
  Eryngium vaseyi var. globosum Hoover ex Mathias & Constance -- not accepted
  Eryngium vaseyi var. vallicola (Jeps.) Munz -- not accepted
  Eryngium virginianum Lam. -- not accepted
  Eryngium wrightii A. Gray -- not accepted
  Eryngium yuccifolium Michx. -- accepted -- button eryngo, button snakeroot, Yuccaleaf eryngo
  Eryngium yuccifolium var. synchaetum A. Gray ex J.M. Coult. & Rose -- accepted -- button eryngo
  Eryngium yuccifolium var. yuccifolium Michx. -- accepted -- button eryngo
  Eulophus americanus Nutt. ex DC. -- not accepted
  Eurytaenia Torr. & A. Gray -- accepted -- spreadwing
  Eurytaenia hinckleyi Mathias & Constance -- accepted -- Hinckley's spreadwing
  Eurytaenia texana Torr. & A. Gray -- accepted -- Texas spreadwing
  Falcaria Fabr. -- accepted
  Falcaria sioides (Wibel) Asch. -- not accepted
  Falcaria vulgaris Bernh. -- accepted -- sickleweed
  Fatsia Decne. & Planch. -- accepted
  Fatsia horrida (Sm.) Benth. & Hook. f. ex W.H. Brewer & S. Watson -- not accepted
  Fatsia japonica (Thunb.) Decne. & Planch. -- accepted -- paperplant
  Ferula L. -- accepted
  Ferula assa-foetida L. -- accepted -- asafetida, asafoetida
  Ferula foetida (Bunge) Regel -- not accepted
  Ferula galbaniflua Boiss. & Buhse -- not accepted
  Ferula gummosa Boiss. -- accepted -- galbanum
  Ferula macrocarpa Hook. & Arn. -- not accepted
  Ferula narthex Boiss. -- accepted -- ferula
  Foeniculum Mill. -- accepted -- fennel
  Foeniculum foeniculum (L.) Karst. -- not accepted
  Foeniculum vulgare Mill. -- accepted -- sweet fennel
  Glehnia F. Schmidt ex Miq. -- accepted -- silvertop
  Glehnia leiocarpa Mathias -- not accepted
  Glehnia littoralis F. Schmidt ex Miq. -- accepted -- American silvertop
  Glehnia littoralis ssp. leiocarpa (Mathias) Hultén -- accepted -- American silvertop
  Glehnia littoralis var. leiocarpa (Mathias) B. Boivin -- not accepted
  Glycosma occidentalis Nutt. ex Torr. & A. Gray -- not accepted
  Haloscias hultenii (Fernald) Holub -- not accepted
  Harbouria J.M. Coult. & Rose -- accepted
  Harbouria trachypleura (A. Gray) J.M. Coult. & Rose -- accepted -- whiskbroom parsley
  Harperella fluviatilis Rose -- not accepted
  Harperella nodosa Rose -- not accepted
  Harperella vivipara Rose -- not accepted
  Hedera L. -- accepted -- ivy
  Hedera canariensis Willd. -- not accepted -- Canary ivy
  Hedera caucasigena Pojark. -- accepted
  Hedera colchica (K. Koch) K. Koch -- accepted -- colchis ivy, colchis-ivy
  Hedera helix L. -- accepted -- English ivy
  Hedera helix ssp. canariensis (Willd.) Cout. -- not accepted -- Algerian ivy
  Hedera helix var. hibernica G. Kirchn. -- not accepted
  Hedera hibernica (G. Kirchn.) Bean -- accepted -- Atlantic Ivy
  Heracleum L. -- accepted -- cow parsnip, cowparsnip
  Heracleum lanatum Michx. -- not accepted -- common cowparsnip, cow parsnip
  Heracleum mantegazzianum Sommier & Levier -- accepted -- giant hogweed
  Heracleum maximum Bartram -- not accepted -- common cowparsnip, cow parsnip, cowparsnip
  Heracleum sibiricum L. -- not accepted
  Heracleum sibiricum var. angustifolium Jacq. -- not accepted
  Heracleum sphondylium L. -- accepted -- eltrot
  Heracleum sphondylium ssp. montanum (Schleich. ex Gaudin) Briq. -- accepted -- common cowparsnip, cow parsnip, cowparsnip
  Heracleum sphondylium ssp. sibiricum (L.) Simonkai -- accepted -- eltrot
  Heracleum sphondylium var. lanatum (Michx.) Dorn -- not accepted
  Hesperogenia stricklandii J.M. Coult. & Rose -- not accepted
  Hipposelinum levisticum (L.) Britton & Rose -- not accepted
  Hydrocotyle L. -- accepted
  Hydrocotyle americana L. -- accepted -- American marshpennywort
  Hydrocotyle asiatica L. -- not accepted
  Hydrocotyle australis J.M. Coult. & Rose -- not accepted
  Hydrocotyle bonariensis Comm. ex Lam. -- accepted -- largeleaf pennywort
  Hydrocotyle bowlesioides Mathias & Constance -- accepted -- largeleaf marshpennywort
  Hydrocotyle canbyi J.M. Coult. & Rose -- not accepted
  Hydrocotyle erecta L. f. -- not accepted
  Hydrocotyle hirsuta Sw. -- accepted -- yerba de clavo
  Hydrocotyle lineata Michx. -- not accepted
  Hydrocotyle moschata G. Forst. -- accepted -- musky marshpennywort
  Hydrocotyle prolifera Kellogg -- not accepted -- whorled marshpennywort
  Hydrocotyle pusilla A. Rich. -- accepted -- tropical marshpennywort
  Hydrocotyle ranunculoides L. f. -- accepted -- floating marsh pennywort, floating marshpennywort, floating pennyroyal
  Hydrocotyle rotundifolia Lam. -- not accepted
  Hydrocotyle sibthorpioides Lam. -- accepted -- lawn marshpennywort
  Hydrocotyle sibthorpioides var. oedipoda O. Deg. & Greenw. -- not accepted
  Hydrocotyle umbellata L. -- accepted -- manyflower marshpennywort, umbrella pennyroyal
  Hydrocotyle verticillata Thunb. -- accepted -- whorled marsh pennywort, whorled marshpennywort, whorled pennyroyal
  Hydrocotyle verticillata var. fetherstoniana (Jennings) Mathias -- accepted -- whorled marshpennywort
  Hydrocotyle verticillata var. triradiata (A. Rich.) Fernald -- accepted -- whorled marshpennywort
  Hydrocotyle verticillata var. verticillata Thunb. -- accepted -- whorled marsh pennywort, whorled marshpennywort
  Hydrocotyle vulgaris L. -- accepted
  Imperatoria ostruthia L. -- not accepted
  Kalopanax Miq. -- accepted -- castor aralia
  Kalopanax pictus (Thunb.) Nakai -- not accepted -- kalopanax
  Kalopanax septemlobus (Thunb.) Koidz -- accepted -- castor aralia
  Leibergia orogenioides J.M. Coult. & Rose -- not accepted
  Leptotaenia anomala J.M. Coult. & Rose -- not accepted
  Leptotaenia bradshawii Rose ex Mathias -- not accepted
  Leptotaenia californica Nutt. -- not accepted
  Leptotaenia dissecta Nutt. -- not accepted
  Leptotaenia humilis J.M. Coult. & Rose -- not accepted
  Leptotaenia multifida Nutt. -- not accepted
  Levisticum Hill -- accepted
  Levisticum officinale W.D.J. Koch -- accepted -- garden lovage
  Levisticum paludapifolium Asch. -- not accepted
  Ligusticum L. -- accepted -- licorice-root, privet
  Ligusticum apiifolium (Nutt. ex Torr. & A. Gray) A. Gray -- accepted -- celeryleaf licorice-root
  Ligusticum caeruleimontanum H. St. John -- not accepted
  Ligusticum calderi Mathias & Constance -- accepted -- Calder's licorice-root
  Ligusticum californicum J.M. Coult. & Rose -- accepted -- California licorice-root
  Ligusticum canadense (L.) Britton -- accepted -- Canadian licorice-root
  Ligusticum canbyi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Canby's licorice-root, Canby's lovage
  Ligusticum filicinum S. Watson -- accepted -- fernleaf licorice-root, fernleaf licoriceroot
  Ligusticum filicinum var. tenuifolium (S. Watson) Mathias & Constance -- not accepted
  Ligusticum grayi J.M. Coult. & Rose -- accepted -- Gray's licorice-root, Gray's licoriceroot
  Ligusticum hultenii Fernald -- not accepted
  Ligusticum leibergii J.M. Coult. & Rose -- not accepted
  Ligusticum mutellina (L.) Crantz -- accepted -- alpine lovage
  Ligusticum mutellinoides ssp. alpinum auct. non (Ledeb.) Thell. -- not accepted
  Ligusticum porteri J.M. Coult. & Rose -- accepted -- Porter's licorice-root, Porter's licoriceroot, Porter's ligusticum, Porter's wild lovage
  Ligusticum porteri var. brevilobum (Rydb.) Mathias & Constance -- accepted -- Porter's licorice-root, Porter's licoriceroot
  Ligusticum porteri var. porteri J.M. Coult. & Rose -- accepted -- Porter's licorice-root, Porter's licoriceroot
  Ligusticum scothicum var. hultenii (Fernald) B. Boivin -- not accepted
  Ligusticum scoticum L. -- accepted -- Scottish licorice-root
  Ligusticum scoticum ssp. hultenii (Fernald) Calder & Roy L. Taylor -- accepted -- Hulten's licorice-root
  Ligusticum scoticum ssp. scoticum L. -- accepted -- Scottish licorice-root
  Ligusticum scoticum var. hultenii (Fernald) B. Boivin -- not accepted
  Ligusticum tenuifolium S. Watson -- accepted -- Idaho licorice-root
  Ligusticum verticillatum (Hook.) J.M. Coult. & Rose ex Rose -- accepted -- northern licorice-root
  Lilaeopsis Greene -- accepted -- grasswort
  Lilaeopsis attenuata auct. non (Hook. & Arn.) Fernald -- not accepted
  Lilaeopsis carolinensis J.M. Coult. & Rose -- accepted -- Carolina grasswort
  Lilaeopsis chinensis (L.) Kuntze -- accepted -- eastern grasswort
  Lilaeopsis lineata (Michx.) Greene -- not accepted
  Lilaeopsis masonii Mathias & Constance -- accepted -- Mason's lilaeopsis, mudflat quillplant
  Lilaeopsis occidentalis J.M. Coult. & Rose -- accepted -- western grasswort
  Lilaeopsis recurva A.W. Hill -- not accepted
  Lilaeopsis schaffneriana (Schltdl.) J.M. Coult. & Rose -- accepted -- Schaffner's grasswort
  Lilaeopsis schaffneriana var. recurva (A.W. Hill) Affolter -- accepted -- Huachuca water-umbel, Huachuca waterumbel, Schaffner's grasswort
  Lilaeopsis schaffneriana var. schaffneriana (Schltdl.) J.M. Coult. & Rose -- accepted
  Limnosciadium Mathias & Constance -- accepted -- dogshade
  Limnosciadium pinnatum (DC.) Mathias & Constance -- accepted -- tansy dogshade
  Limnosciadium pumilum (Engelm. & A. Gray) Mathias & Constance -- accepted -- prairie dogshade
  Lomatium Raf. -- accepted -- biscuitroot, desertparsley, Indianroot
  Lomatium ambiguum (Nutt.) J.M. Coult. & Rose -- accepted -- Wyeth biscuitroot
  Lomatium angustatum (J.M. Coult. & Rose) H. St. John -- not accepted
  Lomatium angustatum var. flavum G.N. Jones -- not accepted
  Lomatium anomalum M.E. Jones ex J.M. Coult. & Rose -- not accepted
  Lomatium attenuatum Evert -- accepted -- tapertip desertparsley
  Lomatium austiniae (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Austin desertparsley
  Lomatium bicolor (S. Watson) J.M. Coult. & Rose -- accepted -- Wasatch biscuitroot, Wasatch desert-parsley, Wasatch desertparsley
  Lomatium bicolor var. bicolor (S. Watson) J.M. Coult. & Rose -- accepted -- Wasatch desertparsley
  Lomatium bicolor var. leptocarpum (Torr. & A. Gray) Schlessman -- accepted -- Wasatch desert parsley, Wasatch desertparsley, Wasatch lomatium
  Lomatium bradshawii (Rose ex Mathias) Mathias & Constance -- accepted -- Bradshaw's desert-parsley, Bradshaw's desertparsley, Bradshaw's lomatium
  Lomatium brandegeei (J.M. Coult. & Rose) J.F. Macbr. -- accepted -- Brandegee's desertparsley
  Lomatium brevifolium J.M. Coult. & Rose -- not accepted
  Lomatium californicum (Nutt.) Mathias & Constance -- accepted -- California lomatium
  Lomatium canbyi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Canby's biscuitroot
  Lomatium caruifolium (Hook. & Arn.) J.M. Coult. & Rose -- accepted -- alkali desertparsley
  Lomatium caruifolium var. caruifolium (Hook. & Arn.) J.M. Coult. & Rose -- accepted -- alkali desertparsley
  Lomatium caruifolium var. denticulatum (Jeps.) Jeps. -- accepted -- alkali desertparsley
  Lomatium ciliolatum Jeps. -- accepted -- Yolla Bolly biscuitroot
  Lomatium ciliolatum var. ciliolatum Jeps. -- not accepted -- Yolla Bolly biscuitroot
  Lomatium ciliolatum var. hooveri Mathias & Constance -- not accepted -- Hoover's biscuitroot
  Lomatium circumdatum (S. Watson) J.M. Coult. & Rose -- not accepted
  Lomatium columbianum Mathias & Constance -- accepted -- purple leptotaenia
  Lomatium concinnum (Osterh.) Mathias -- accepted -- adobe desert-parsley, adobe desertparsley
  Lomatium congdonii J.M. Coult. & Rose -- accepted -- Congdon's lomatium, Mariposa desertparsley
  Lomatium cookii Kagan -- accepted -- agate desertparsley, Cook's lomatium
  Lomatium cous (S. Watson) J.M. Coult. & Rose -- accepted -- cous biscuitroot, Cous' biscuitroot, cous-root desert-parsley
  Lomatium cusickii (S. Watson) J.M. Coult. & Rose -- accepted -- Cusick's biscuitroot
  Lomatium cuspidatum Mathias & Constance -- accepted -- Wenatchee desertparsley
  Lomatium dasycarpum (Torr. & A. Gray) J.M. Coult. & Rose -- accepted -- woollyfruit desertparsley
  Lomatium dasycarpum ssp. dasycarpum (Torr. & A. Gray) J.M. Coult. & Rose -- accepted -- woollyfruit desertparsley
  Lomatium dasycarpum ssp. tomentosum (Benth.) W.L. Theob. -- accepted -- woollyfruit desertparsley
  Lomatium daucifolium (Torr. & A. Gray) J.M. Coult. & Rose -- not accepted
  Lomatium dissectum (Nutt.) Mathias & Constance -- accepted -- chocolate-tips, desert parsley, fernleaf biscuitroot
  Lomatium dissectum var. dissectum (Nutt.) Mathias & Constance -- accepted -- fernleaf biscuitroot
  Lomatium dissectum var. eatonii (J.M. Coult. & Rose) Cronquist -- not accepted
  Lomatium dissectum var. multifidum (Nutt.) Mathias & Constance -- accepted -- carrotleaf biscuitroot
  Lomatium donnellii (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Donnell's biscuitroot
  Lomatium eastwoodiae (J.M. Coult. & Rose) J.F. Macbr. -- accepted -- Eastwood's desertparsley
  Lomatium engelmannii Mathias -- accepted -- Engelmann's desertparsley
  Lomatium erythrocarpum Meinke & Constance -- accepted -- red-fruited lomatium, redfruit desertparsley
  Lomatium farinosum (Geyer ex Hook.) J.M. Coult. & Rose -- accepted -- northern biscuitroot
  Lomatium farinosum var. farinosum (Geyer ex Hook.) J.M. Coult. & Rose -- accepted -- northern biscuitroot
  Lomatium farinosum var. hambleniae (Mathias & Constance) Schlessman -- accepted -- Hamblen's biscuitroot
  Lomatium foeniculaceum (Nutt.) J.M. Coult. & Rose -- accepted -- biscuitroot, carrot-leaf desert-parsley, desert biscuitroot
  Lomatium foeniculaceum ssp. daucifolium (Torr. & A. Gray) W.L. Theob. -- accepted -- carrot-leaf desert-parsley, desert biscuitroot
  Lomatium foeniculaceum ssp. fimbriatum W.L. Theob. -- accepted -- desert biscuitroot
  Lomatium foeniculaceum ssp. foeniculaceum (Nutt.) J.M. Coult. & Rose -- accepted -- carrot-leaf desert-parsley, desert biscuitroot
  Lomatium foeniculaceum ssp. inyoense (Mathias & Constance ex Munz & Roos) W.L. Theob. -- accepted -- Inyo biscuitroot, Inyo lomatium
  Lomatium foeniculaceum ssp. macdougalii (J.M. Coult. & Rose) W.L. Theob. -- accepted -- carrot-leaf desert-parsley, MacDougal's biscuitroot
  Lomatium foeniculaceum var. daucifolium (Torr. & A. Gray) Cronquist -- not accepted
  Lomatium foeniculaceum var. fimbriatum (W.L. Theob.) B. Boivin -- not accepted
  Lomatium foeniculaceum var. inyoense (Mathias & Constance ex Munz & Roos) B. Boivin -- not accepted
  Lomatium foeniculaceum var. macdougalii (J.M. Coult. & Rose) Cronquist -- not accepted
  Lomatium frenchii Mathias & Constance -- not accepted
  Lomatium geyeri (S. Watson) J.M. Coult. & Rose -- accepted -- Geyer's biscuitroot
  Lomatium gormanii (Howell) J.M. Coult. & Rose -- accepted -- Gorman's biscuitroot
  Lomatium graveolens (S. Watson) Dorn & R.L. Hartm. -- accepted -- king desertparsley, King's biscuitroot
  Lomatium graveolens var. alpinum (S. Watson) Dorn & R.L. Hartm. -- accepted -- alpine biscuitroot
  Lomatium graveolens var. clarkii S.L. Welsh -- not accepted
  Lomatium graveolens var. graveolens (S. Watson) Dorn & R.L. Hartm. -- accepted -- king desertparsley
  Lomatium grayi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Gray's biscuitroot
  Lomatium grayi var. depauperatum (M.E. Jones) Mathias -- accepted -- Gray's biscuitroot
  Lomatium grayi var. grayi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Gray's biscuitroot
  Lomatium greenmanii Mathias -- accepted -- Greenman's biscuitroot, Greenman's lomatium
  Lomatium hallii (S. Watson) J.M. Coult. & Rose -- accepted -- Hall's biscuitroot
  Lomatium hambleniae Mathias & Constance -- not accepted
  Lomatium hendersonii (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Henderson's biscuitroot
  Lomatium hooveri (Mathias & Constance) Constance & Ertter -- accepted -- Hoover's biscuitroot
  Lomatium howellii (S. Watson) Jeps. -- accepted -- Howell's biscuitroot, Howell's lomatium
  Lomatium humile (J.M. Coult. & Rose) Hoover ex Mathias & Constance -- not accepted
  Lomatium idahoense Mathias & Constance -- accepted -- Idaho biscuitroot
  Lomatium insulare (Eastw.) Munz -- accepted -- San Nicholas biscuitroot, San Nicolas Island lomatium
  Lomatium inyoense Mathias & Constance ex Munz & Roos -- not accepted
  Lomatium junceum Barneby & N.H. Holmgren -- accepted -- rush biscuitroot
  Lomatium juniperinum (M.E. Jones) J.M. Coult. & Rose -- accepted -- juniper biscuitroot
  Lomatium kingii (S. Watson) Cronquist -- not accepted
  Lomatium kingii var. alpinum (S. Watson) Cronquist -- not accepted
  Lomatium laevigatum (Nutt.) J.M. Coult. & Rose -- accepted -- Slickrock biscuitroot
  Lomatium latilobum (Rydb.) Mathias -- accepted -- Canyonlands biscuitroot, Slicrock desert-parsley
  Lomatium leptocarpum (Torr. & A. Gray) J.M. Coult. & Rose -- not accepted
  Lomatium lucidum (Nutt. ex Torr. & A. Gray) Jeps. -- accepted -- shiny biscuitroot
  Lomatium macdougalii J.M. Coult. & Rose -- not accepted
  Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose -- accepted -- bigseed biscuitroot, bigseed lomatium, large-fruit desert-parsley, largefruit biscuitroot, long mamma
  Lomatium macrocarpum var. artemisiarum Piper -- not accepted
  Lomatium macrocarpum var. ellipticum (Torr. & A. Gray) Jeps. -- not accepted
  Lomatium marginatum (Benth.) J.M. Coult. & Rose -- accepted -- butte desertparsley
  Lomatium marginatum var. marginatum (Benth.) J.M. Coult. & Rose -- accepted -- butte desertparsley
  Lomatium marginatum var. purpureum Jeps. -- accepted -- butte desertparsley
  Lomatium martindalei (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- cascade desertparsley
  Lomatium martindalei var. angustatum (J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted
  Lomatium martindalei var. flavum (G.N. Jones) Cronquist -- not accepted
  Lomatium megarrhizum (A. Nelson) Mathias -- not accepted
  Lomatium minimum (Mathias) Mathias -- accepted -- little desertparsley
  Lomatium minus (Rose ex Howell) Mathias & Constance -- accepted -- Day Valley desert-parsley, Day Valley desertparsley
  Lomatium mohavense (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Mojave biscuitroot, Mojave desert-parsley, Mojave desertparsley
  Lomatium mohavense ssp. longilobum W.L. Theob. -- accepted -- Mojave desertparsley
  Lomatium mohavense ssp. mohavense (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Mojave desertparsley
  Lomatium montanum J.M. Coult. & Rose -- not accepted
  Lomatium nelsonianum J.F. Macbr. -- not accepted
  Lomatium nevadense (S. Watson) J.M. Coult. & Rose -- accepted -- Nevada biscuitroot, Nevada desert-parsley
  Lomatium nevadense var. nevadense (S. Watson) J.M. Coult. & Rose -- accepted -- Nevada biscuitroot
  Lomatium nevadense var. parishii (J.M. Coult. & Rose) Jeps. -- accepted -- Parish's biscuitroot
  Lomatium nevadense var. pseudorientale (M.E. Jones) Munz -- not accepted
  Lomatium nudicaule (Pursh) J.M. Coult. & Rose -- accepted -- barestem biscuitroot
  Lomatium nuttallii (A. Gray) J.F. Macbr. -- accepted -- Nuttall's biscuitroot
  Lomatium nuttallii var. alpinum (S. Watson) Mathias -- not accepted
  Lomatium observatorium Constance & Ertter -- accepted -- Mt. Hamilton desertparsley
  Lomatium ochocense Helliwell & Constance -- accepted -- Ochoco lomatium
  Lomatium oreganum (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Blue Mountain biscuitroot
  Lomatium orientale J.M. Coult. & Rose -- accepted -- eastern lomatium, Northern Idaho biscuitroot, oriental desert-parsley
  Lomatium orogenioides (J.M. Coult. & Rose) Mathias -- not accepted
  Lomatium packardiae Cronquist -- accepted -- Packard's desertparsley
  Lomatium parryi (S. Watson) J.F. Macbr. -- accepted -- Parry's biscuitroot, Utah desert-parsley, Utah desertparsley
  Lomatium parvifolium (Hook. & Arn.) Jeps. -- accepted -- coastal biscuitroot
  Lomatium parvifolium var. pallidum (J.M. Coult. & Rose) Jeps. -- not accepted
  Lomatium peckianum Mathias & Constance -- accepted -- Peck's desertparsley, Peck's lomatium
  Lomatium piperi J.M. Coult. & Rose -- accepted -- Indian biscuitroot
  Lomatium platycarpum (Torr.) J.M. Coult. & Rose -- not accepted
  Lomatium plummerae (J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted -- Plummer's desertparsley
  Lomatium plummerae var. austiniae (J.M. Coult. & Rose) Mathias -- not accepted
  Lomatium plummerae var. plummerae (J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted -- Plummer's desertparsley
  Lomatium plummerae var. sonnei (J.M. Coult. & Rose) Jeps. -- not accepted -- Sonn's desertparsley
  Lomatium quintuplex Schlessman & Constance -- accepted -- Umtanum desertparsley
  Lomatium ravenii Mathias & Constance -- accepted -- Lassen desert-parsley, Lassen parsley, Raven's biscuitroot
  Lomatium repostum (Jeps.) Mathias -- accepted -- Napa biscuitroot
  Lomatium rigidum (M.E. Jones) Jeps. -- accepted -- Big Pine biscuitroot, Big Pine lomatium
  Lomatium rollinsii Mathias & Constance -- accepted -- Rollins' biscuitroot
  Lomatium roseanum Cronquist -- accepted -- biscuitroot
  Lomatium salmoniflorum (J.M. Coult. & Rose) Mathias & Constance -- accepted -- salmonflower biscuitroot
  Lomatium sandbergii (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Sandberg's biscuitroot
  Lomatium scabrum (J.M. Coult. & Rose) Mathias -- accepted -- rough biscuitroot, rough desert-parsley, rough desertparsley
  Lomatium scabrum var. scabrum (J.M. Coult. & Rose) Mathias -- accepted -- rough biscuitroot, rough desertparsley
  Lomatium scabrum var. tripinnatum Goodrich -- accepted -- rough desertparsley
  Lomatium serpentinum (M.E. Jones) Mathias -- accepted -- sweetscented biscuitroot
  Lomatium shevockii R.L. Hartm. & Constance -- accepted -- Owens Peak desertparsley, Owens Peak lomatium
  Lomatium simplex (Nutt.) J.F. Macbr. -- accepted -- Great Basin biscuitroot, Great Basin desertparsley, narrowleaf lomatium
  Lomatium simplex var. leptophyllum (Hook.) Mathias -- accepted -- slenderleaf lomatium
  Lomatium simplex var. simplex (Nutt.) J.F. Macbr. -- accepted -- Great Basin biscuitroot, Great Basin desertparsley
  Lomatium stebbinsii Schlessman & Constance -- accepted -- Stebbins' desertparsley, Stebbins' lomatium
  Lomatium suksdorfii (S. Watson) J.M. Coult. & Rose -- accepted -- Suksdorf's desert-parsley, Suksdorf's desertparsley
  Lomatium suksdorfii var. thompsonii Mathias -- not accepted
  Lomatium thompsonii (Mathias) Cronquist -- accepted -- Thompson's desertparsley
  Lomatium tomentosum (Benth.) J.M. Coult. & Rose -- not accepted
  Lomatium torreyi (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Sierra biscuitroot
  Lomatium tracyi Mathias & Constance -- accepted -- Tracy's desertparsley
  Lomatium triternatum (Pursh) J.M. Coult. & Rose -- accepted -- nineleaf biscuitroot
  Lomatium triternatum ssp. platycarpum (Torr.) Cronquist -- not accepted
  Lomatium triternatum var. alatum J.M. Coult. & Rose -- not accepted
  Lomatium triternatum var. anomalum (M.E. Jones ex J.M. Coult. & Rose) Mathias -- accepted -- broadnineleaf biscuitroot
  Lomatium triternatum var. brevifolium (J.M. Coult. & Rose) Mathias -- accepted -- nineleaf biscuitroot
  Lomatium triternatum var. macrocarpum (J.M. Coult. & Rose) Mathias -- accepted -- nineleaf biscuitroot
  Lomatium triternatum var. triternatum (Pursh) J.M. Coult. & Rose -- accepted -- nineleaf biscuitroot
  Lomatium tuberosum Hoover -- accepted -- Hoover's desert-parsley, Hoover's desertparsley
  Lomatium utriculatum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose -- accepted -- common lomatium
  Lomatium utriculatum var. papillatum (L.F. Hend.) Mathias -- not accepted
  Lomatium vaginatum J.M. Coult. & Rose -- accepted -- broadsheath desertparsley, sheathed biscuitroot
  Lomatium vaseyi (J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted
  Lomatium watsonii (J.M. Coult. & Rose) J.M. Coult. & Rose -- accepted -- Watson's desertparsley
  Meryta J.R. Forst. & G. Forst. -- accepted
  Meryta macrophylla (W. Rich ex A. Gray) Seem. -- accepted
  Meryta senfftiana Volkens -- accepted
  Munroidendron Sherff -- not accepted
  Munroidendron racemosum (C.N. Forbes) Sherff -- not accepted -- false `ohe
  Munroidendron racemosum var. forbesii Sherff -- not accepted
  Munroidendron racemosum var. macdanielsii Sherff -- not accepted
  Musineon Raf. -- accepted -- wildparsley
  Musineon divaricatum (Pursh) Raf. -- accepted -- leafy musineon, leafy wild parsley, leafy wildparsley, wildparsley
  Musineon divaricatum var. divaricatum (Pursh) Raf. -- accepted -- leafy wildparsley
  Musineon divaricatum var. hookeri (Torr. & A. Gray) Mathias -- accepted -- Hooker's wildparsley, leafy wild parsley
  Musineon hookeri (Torr. & A. Gray) Nutt. -- not accepted
  Musineon lineare (Rydb.) Mathias -- accepted -- narrowleaf wildparsley
  Musineon tenuifolium (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose -- accepted -- slender wildparsley
  Musineon trachyspermum Nutt. -- not accepted
  Musineon vaginatum Rydb. -- accepted -- sheathed wildparsley
  Musineum divaricatum (Pursh) Nutt. ex Torr. & A. Gray -- not accepted
  Musineum divaricatum var. hookeri Torr. & A. Gray -- not accepted
  Musineum tenuifolium Nutt. ex Torr. & A. Gray -- not accepted
  Myrrhis Mill. -- accepted
  Myrrhis odorata (L.) Scop. -- accepted -- anise
  Neoparrya Mathias -- accepted
  Neoparrya lithophila Mathias -- accepted -- Bill's neoparrya
  Neoparrya megarrhiza (A. Nelson) W.A. Weber -- not accepted
  Nothopanax fruticosus (L.) Miq. -- not accepted
  Nothopanax pinnatus (Lam.) Miq. -- not accepted
  Oenanthe L. -- accepted -- waterdropwort
  Oenanthe aquatica (L.) Poir. -- accepted -- fineleaf waterdropwort
  Oenanthe fistulosa L. -- accepted
  Oenanthe javanica (Blume) DC. -- accepted -- Java waterdropwort
  Oenanthe javanica ssp. javanica (Blume) DC. -- not accepted -- Java waterdropwort
  Oenanthe javanica ssp. stolonifera (Wall. ex DC.) Murata -- not accepted -- stolon waterdropwort
  Oenanthe laciniata (Blume) Zoll. -- accepted -- cutleaf waterdropwort
  Oenanthe pimpinelloides L. -- accepted -- corkyfruit waterdropwort
  Oenanthe sarmentosa C. Presl ex DC. -- accepted -- water parsley
  Oenanthe stolonifera Wall. ex DC. -- not accepted
  Oplopanax (Torr. & A. Gray) Miq. -- accepted
  Oplopanax horridus (Sm.) Miq. -- accepted -- devilsclub
  Oreonana Jeps. -- accepted -- mountainparsley
  Oreonana clementis (M.E. Jones) Jeps. -- accepted -- pygmy mountainparsley
  Oreonana purpurascens Shevock & Constance -- accepted -- purple mountain-parsley
  Oreonana vestita (S. Watson) Jeps. -- accepted -- woolly mountainparsley
  Oreopanax Decne. & Planch. -- accepted
  Oreopanax capitatus (Jacq.) Decne. & Planch. -- accepted
  Oreopanax dussi Krug & Urb. ex Duss -- not accepted
  Oreoxis Raf. -- accepted
  Oreoxis alpina (A. Gray) J.M. Coult. & Rose -- accepted -- alpine oreoxis, tundra alpine-parsley
  Oreoxis alpina ssp. alpina (A. Gray) J.M. Coult. & Rose -- accepted -- alpine oreoxis
  Oreoxis alpina ssp. puberulenta W.A. Weber -- accepted -- alpine oreoxis
  Oreoxis bakeri J.M. Coult. & Rose -- accepted -- Baker's alpineparsley
  Oreoxis humilis Raf. -- accepted -- Pikes Peak alpineparsley, Pikes Peak spring-parsley, Rocky Mountain alpineparsley
  Oreoxis macdougalii (J.M. Coult. & Rose) Rydb. -- not accepted
  Oreoxis trotteri S.L. Welsh & Goodrich -- accepted -- Trotter's alpineparsley
  Orogenia S. Watson -- accepted -- Indian potato
  Orogenia fusiformis S. Watson -- accepted -- California Indian potato
  Orogenia linearifolia S. Watson -- accepted -- Great Basin Indian potato, Indianpotato
  Orogenia linearifolia var. lata Payson -- not accepted
  Osmorhiza Raf. -- accepted -- sweet root, sweetroot
  Osmorhiza ambigua (A. Gray) J.M. Coult. & Rose -- not accepted
  Osmorhiza aristata (Thunb.) Rydb. -- accepted
  Osmorhiza aristata var. brevistylis (DC.) B. Boivin -- not accepted
  Osmorhiza aristata var. longistylis (Torr.) B. Boivin -- not accepted
  Osmorhiza berteroi DC. -- accepted -- mountain sweetroot, sweet cicely, sweetcicely
  Osmorhiza bipartriata Constance & Shan -- not accepted
  Osmorhiza bipatriata Constance & Shan -- not accepted
  Osmorhiza brachypoda Torr. -- accepted -- California sweet-cicely, California sweetcicely
  Osmorhiza brachypoda var. fraterna Jeps. -- not accepted
  Osmorhiza brevipes (J.M. Coult. & Rose) Suksd. -- not accepted
  Osmorhiza chilensis Hook. & Arn. -- not accepted
  Osmorhiza chilensis var. cupressimontana (B. Boivin) B. Boivin -- not accepted
  Osmorhiza chilensis var. purpurea (J.M. Coult. & Rose) B. Boivin -- not accepted
  Osmorhiza claytonii (Michx.) C.B. Clarke -- accepted -- Clayton's sweetroot, hairy sweet-cicely
  Osmorhiza depauperata Phil. -- accepted -- blunt-fruit sweet-cicely, bluntseed sweetroot
  Osmorhiza divaricata (Britton) Suksd. -- not accepted
  Osmorhiza leibergii (J.M. Coult. & Rose) Blankinship -- not accepted
  Osmorhiza longistylis (Torr.) DC. -- accepted -- aniseroot, longstyle sweetroot
  Osmorhiza longistylis var. brachycoma S.F. Blake -- not accepted
  Osmorhiza longistylis var. imbarbata Salamun -- not accepted
  Osmorhiza longistylis var. villicaulis Fernald -- not accepted
  Osmorhiza mexicana Griseb. -- accepted -- Mexican sweetcicely
  Osmorhiza mexicana ssp. bipartriata (Constance & Shan) Lowry & A.G. Jones -- not accepted
  Osmorhiza mexicana ssp. bipatriata (Constance & Shan) Lowry & A.G. Jones -- accepted -- Livermore sweet-cicely, Mexican sweetcicely
  Osmorhiza nuda Torr. -- not accepted
  Osmorhiza obtusa (J.M. Coult. & Rose) Fernald -- not accepted
  Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr. -- accepted -- sweetanise, western sweetroot
  Osmorhiza purpurea (J.M. Coult. & Rose) Suksd. -- accepted -- purple sweetroot
  Osmoxylon Miq. -- accepted
  Osmoxylon mariannense (Kaneh.) Fosberg & Sachet -- accepted
  Oxypolis Raf. -- accepted -- cowbane
  Oxypolis canbyi (J.M. Coult. & Rose) Fernald -- accepted -- Canby's cowbane, Canby's dropwort
  Oxypolis fendleri (A. Gray) A. Heller -- accepted -- Fendler's cowbane
  Oxypolis filiformis (Walter) Britton -- accepted -- water cowbane
  Oxypolis filiformis ssp. greenmanii (Mathias & Constance) W.S. Judd -- not accepted
  Oxypolis filiformis var. canbyi J.M. Coult. & Rose -- not accepted
  Oxypolis greenmanii Mathias & Constance -- accepted -- giant cowbane, giant water-dropwort
  Oxypolis longifolia (Pursh) Small -- not accepted
  Oxypolis occidentalis J.M. Coult. & Rose -- accepted -- western cowbane
  Oxypolis rigidior (L.) Raf. -- accepted -- stiff cowbane
  Oxypolis rigidior var. ambigua (Nutt.) B.L. Rob. -- not accepted
  Oxypolis rigidior var. longifolia (Pursh) Britton -- not accepted
  Oxypolis ternata (Nutt.) A. Heller -- not accepted -- piedmont cowbane
  Oxypolis turgida Small -- not accepted
  Panax L. -- accepted -- ginseng
  Panax attenuatus Sw. -- not accepted
  Panax ginseng C.A. Mey. -- accepted -- Chinese ginseng
  Panax pseudoginseng Wall. -- accepted -- ginseng
  Panax pseudoginseng ssp. japonicus (C.A. Mey.) H. Hara -- not accepted -- Japanese ginseng
  Panax pseudoginseng ssp. pseudoginseng Wall. -- not accepted -- ginseng
  Panax quinquefolius L. -- accepted -- American ginseng, ginseng à cinq folioles
  Panax repens Maxim. -- not accepted
  Panax schinseng Nees -- not accepted
  Panax trifolius L. -- accepted -- dwarf ginseng
  Pastinaca L. -- accepted -- parsnip
  Pastinaca sativa L. -- accepted -- wild parsnip
  Pastinaca sativa ssp. sylvestris (Mill.) Rouy & E.G. Camus -- not accepted
  Pastinaca sativa var. pratensis Pers. -- not accepted -- wild parsnip
  Pastinaca sativa var. sativa L. -- not accepted -- wild parsnip
  Perideridia Rchb. -- accepted -- yampah
  Perideridia americana (Nutt. ex DC.) Rchb. -- accepted -- eastern yampah, Osage perideridia
  Perideridia bacigalupii T.I. Chuang & Constance -- accepted -- Mother Lode yampah
  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. -- accepted -- Bolander's yampah
  Perideridia bolanderi ssp. bolanderi (A. Gray) A. Nelson & J.F. Macbr. -- accepted -- Bolander's yampah
  Perideridia bolanderi ssp. involucrata T.I. Chuang & Constance -- accepted -- Bolander's yampah
  Perideridia californica (Torr.) A. Nelson & J.F. Macbr. -- accepted -- California yampah
  Perideridia erythrorhiza (Piper) T.I. Chuang & Constance -- accepted -- red-root yampah, western yampah
  Perideridia gairdneri (Hook. & Arn.) Mathias -- accepted -- common yampah, Gardner's yampah, Indian caraway
  Perideridia gairdneri ssp. borealis T.I. Chuang & Constance -- accepted -- common yampah
  Perideridia gairdneri ssp. gairdneri (Hook. & Arn.) Mathias -- accepted -- Gairdner's yampah
  Perideridia howellii (J.M. Coult. & Rose) Mathias -- accepted -- Howell's yampah
  Perideridia kelloggii (A. Gray) Mathias -- accepted -- Kellogg's yampah
  Perideridia lemmonii (J.M. Coult. & Rose) T.I. Chuang & Constance -- accepted -- Lemmon's yampah
  Perideridia leptocarpa T.I. Chuang & Constance -- accepted -- narrow-seeded yampah, narrowseed yampah
  Perideridia montana (Blank.) Dorn -- not accepted
  Perideridia oregana (S. Watson) Mathias -- accepted -- Oregon yampah, squaw potato
  Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- Parish's yampah, Sierra Queen Anne's lace
  Perideridia parishii ssp. latifolia (A. Gray) T.I. Chuang & Constance -- accepted -- Parish's yampah
  Perideridia parishii ssp. parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- Parish's yampah
  Perideridia pringlei (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- adobe yampah
  Petroselinum Hill -- accepted -- parsley
  Petroselinum crispum (Mill.) Nyman ex A.W. Hill -- not accepted -- parsley
  Petroselinum hortense Hoffm. -- not accepted
  Petroselinum sativum Hoffm. -- not accepted
  Petroselinum vulgare Lagasca -- not accepted
  Peucedanum L. -- accepted
  Peucedanum ambiguum (Nutt.) Nutt. ex Torr. & A. Gray -- not accepted
  Peucedanum canbyi J.M. Coult. & Rose -- not accepted
  Peucedanum farinosum Geyer ex Hook. -- not accepted
  Peucedanum graveolens S. Watson -- not accepted
  Peucedanum graveolens var. alpinum S. Watson -- not accepted
  Peucedanum kauaiense Hillebr. -- not accepted
  Peucedanum kingii S. Watson -- not accepted
  Peucedanum kingii var. alpinum (S. Watson) J.M. Coult. & Rose -- not accepted
  Peucedanum macrocarpum Nutt. ex Torr. & A. Gray -- not accepted
  Peucedanum megarrhizum A. Nelson -- not accepted
  Peucedanum officinale L. -- accepted -- hog's-fennel, sulphurweed
  Peucedanum ostruthium (L.) W.D.J. Koch -- accepted -- masterwort
  Peucedanum palustre (L.) Moench -- accepted -- hogfennel
  Peucedanum sandbergii J.M. Coult. & Rose -- not accepted
  Peucedanum sandwicense Hillebr. -- accepted -- makou
  Peucedanum sandwicense var. hiroe O. Deg. & I. Deg. -- not accepted
  Phellandrium L. -- not accepted
  Phellopterus montanus Nutt. ex Torr. & A. Gray (pro. syn.) -- not accepted
  Phlojodicarpus Turcz. ex Ledeb. -- accepted
  Phlojodicarpus villosus (Turcz. ex Fisch. & C.A. Mey.) Turcz. ex Ledeb. -- accepted
  Pimpinella L. -- accepted -- burnet saxifrage
  Pimpinella anisum L. -- accepted -- anise burnet saxifrage
  Pimpinella magna L. -- not accepted
  Pimpinella major (L.) Huds. -- accepted -- hollowstem burnet saxifrage
  Pimpinella saxifraga L. -- accepted -- solidstem burnet saxifrage
  Pimpinella saxifraga ssp. nigra (Mill.) Gaudin -- accepted -- solidstem burnet saxifrage
  Pimpinella saxifraga ssp. saxifraga L. -- accepted -- solidstem burnet saxifrage
  Pimpinella saxifraga var. major L. -- not accepted
  Pleiotaenia nuttallii (DC.) J.M. Coult. & Rose -- not accepted
  Pleiotaenia nuttallii var. texana (J.M. Coult. & Rose) J.M. Coult. & Rose -- not accepted
  Podistera S. Watson -- accepted
  Podistera eastwoodiae (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Eastwood's podistera
  Podistera macounii (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Macoun's woodroot
  Podistera nevadensis (A. Gray) S. Watson -- accepted -- Nevada podistera
  Podistera yukonensis Mathias & Constance -- accepted -- Yukon podistera
  Polyscias J.R. Forst. & G. Forst. -- accepted
  Polyscias balfouriana (Sander ex André) L.H. Bailey -- not accepted
  Polyscias cumingiana (C. Presl) Fern.-Vill. -- accepted -- fern-leaf aralia, Malaysian aralia, polyscias
  Polyscias fruticosa (L.) Harms -- accepted -- Ming aralia
  Polyscias grandifolia Volkens -- not accepted
  Polyscias guilfoylei (W. Bull) L.H. Bailey -- accepted -- geranium aralia
  Polyscias pinnata J.R. Forst. & G. Forst. -- not accepted
  Polyscias rumphiana Harms -- not accepted
  Polyscias scutellaria (Burm. f.) Fosberg -- accepted -- shield aralia
  Polyscias subcapitata Kaneh. -- accepted -- polyscias
  Polyscias tricochleata (Miq.) Fosberg -- not accepted
  Polytaenia DC. -- accepted -- hairy moss
  Polytaenia nuttallii DC. -- accepted -- Nuttall's prairie parsley, prairie parsley
  Polytaenia nuttallii var. texana J.M. Coult. & Rose -- not accepted
  Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Texas parsley, Texas prairie parsley
  Pseudocymopterus J.M. Coult. & Rose -- accepted -- false spring parsley, false springparsley
  Pseudocymopterus longiradiatus Mathias, Constance & W.L. Theob. -- accepted -- Trans-Pecos false mountainparsley
  Pseudocymopterus montanus (A. Gray) J.M. Coult. & Rose -- accepted -- alpine false springparsley, anise, false springparsley
  Pseudocymopterus tidestromii J.M. Coult. & Rose -- not accepted
  Pseudopanax K. Koch -- accepted
  Pseudopanax laetus (Kirk) Philipson -- not accepted -- shrub panax
  Pseudotaenidia Mack. -- not accepted
  Pseudotaenidia montana Mack. -- not accepted
  Pteryxia (Nutt. ex Torr. & A. Gray) Nutt. ex J.M. Coult. & Rose -- accepted -- springparsley, wavewing
  Pteryxia anisata (A. Gray) Mathias & Constance -- not accepted
  Pteryxia davidsonii (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Davidson's wavewing
  Pteryxia hendersonii (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Henderson's desertparsley, Henderson's springparsley, Henderson's wavewing
  Pteryxia petraea (M.E. Jones) J.M. Coult. & Rose -- accepted -- rock springparsley, rockloving desert parsley, rockloving wavewing
  Pteryxia terebinthina (Hook.) J.M. Coult. & Rose -- accepted -- smoothshore springparsley, Terebinth springparsley, turpentine wavewing
  Pteryxia terebinthina var. albiflora (Torr. & A. Gray) Mathias -- not accepted -- smoothshore springparsley, turpentine wavewing
  Pteryxia terebinthina var. calcarea (M.E. Jones) Mathias -- not accepted
  Pteryxia terebinthina var. californica (J.M. Coult. & Rose) Mathias -- not accepted -- California wavewing
  Pteryxia terebinthina var. foeniculacea (Torr. & A. Gray) Mathias -- accepted -- turpentine wavewing
  Pteryxia terebinthina var. terebinthina (Hook.) J.M. Coult. & Rose -- accepted -- turpentine wavewing
  Ptilimnium Raf. -- accepted -- mock bishopweed
  Ptilimnium ahlesii Weakley & G.L. Nesom -- accepted -- coastal mock bishopweed
  Ptilimnium capillaceum (Michx.) Raf. -- accepted -- herbwilliam, threadleaf mockbishopweed
  Ptilimnium costatum Raf. -- accepted -- ribbed mock bishopweed
  Ptilimnium fluviatile (Rose) Mathias -- not accepted
  Ptilimnium fluviatile var. viviparum (Rose) Reveal & Broome -- not accepted
  Ptilimnium macrospermum Ahles -- not accepted -- coastal mock bishopweed
  Ptilimnium nodosum (Rose) Mathias -- accepted -- harperella, piedmont mock bishopweed
  Ptilimnium nuttallii (DC.) Britton -- accepted -- laceflower, Nuttall's mockbishopweed
  Ptilimnium texense J.M. Coult. & Rose -- not accepted
  Ptilimnium viviparum (Rose) Mathias -- not accepted
  Ptilimnium X texense J.M. Coult. & Rose (pro. sp.) -- not accepted -- Texan ptilimnium
  Ptychotis W.D.J. Koch -- accepted
  Reynoldsia A. Gray -- not accepted
  Reynoldsia degeneri Sherff -- not accepted
  Reynoldsia hillebrandii Sherff -- not accepted
  Reynoldsia hosakana Sherff -- not accepted
  Reynoldsia huehuensis Sherff -- not accepted
  Reynoldsia huehuensis var. brevipes Sherff -- not accepted
  Reynoldsia huehuensis var. intermedia Sherff -- not accepted
  Reynoldsia lanutoensis Hochr. -- not accepted
  Reynoldsia mauiensis Sherff -- not accepted
  Reynoldsia mauiensis var. macrocarpa O. Deg. & Sherff -- not accepted
  Reynoldsia oblonga Sherff -- not accepted
  Reynoldsia sandwicensis A. Gray -- not accepted -- `ohe, `ohe makai
  Reynoldsia sandwicensis var. intercedens Sherff -- not accepted
  Reynoldsia sandwicensis var. molokaiensis Sherff -- not accepted
  Reynoldsia venusta Sherff -- not accepted
  Reynoldsia venusta var. lanaiensis Sherff -- not accepted
  Rhysopterus plurijugus J.M. Coult. & Rose -- not accepted
  Sanicula L. -- accepted -- sanicle
  Sanicula arctopoides Hook. & Arn. -- accepted -- footsteps of spring
  Sanicula arguta Greene ex J.M. Coult. & Rose -- accepted -- sharptooth blacksnakeroot
  Sanicula bipinnata Hook. & Arn. -- accepted -- poison sanicle
  Sanicula bipinnatifida Douglas ex Hook. -- accepted -- purple sanicle
  Sanicula bipinnatifida var. flava Jeps. -- not accepted
  Sanicula canadensis L. -- accepted -- Canada sanicle, Canadian blacksnakeroot
  Sanicula canadensis var. canadensis L. -- accepted -- Canadian blacksnakeroot, sanicle du Canada variété du Canada
  Sanicula canadensis var. floridana (E.P. Bicknell) H. Wolff -- not accepted
  Sanicula canadensis var. grandis Fernald -- accepted -- Canadian blacksnakeroot
  Sanicula canadensis var. typica H. Wolff -- not accepted
  Sanicula crassicaulis Poepp. ex DC. -- accepted -- Pacific blacksnakeroot
  Sanicula crassicaulis var. crassicaulis Poepp. ex DC. -- accepted -- Pacific blacksnakeroot
  Sanicula crassicaulis var. howellii (J.M. Coult. & Rose) Mathias -- not accepted
  Sanicula crassicaulis var. tripartita (Suksd.) H. Wolff -- accepted -- Pacific blacksnakeroot
  Sanicula floridana E.P. Bicknell -- not accepted
  Sanicula graveolens Poepp. ex DC. -- accepted -- northern sanicle, Sierra sanicle
  Sanicula graveolens var. septentrionalis (Greene) H. St. John -- not accepted
  Sanicula gregaria E.P. Bicknell -- not accepted
  Sanicula haleakalae H. St. John -- not accepted
  Sanicula hoffmannii (Munz) Shan & Constance (pro. hybr.) -- accepted -- Hoffman's sanicle, Hoffmann's blacksnakeroot
  Sanicula kauaiensis H. St. John -- accepted -- Kauai blacksnakeroot
  Sanicula laciniata Hook. & Arn. -- accepted -- coastal blacksnakeroot
  Sanicula lobata (Hillebr. ex H. Wolff) H. St. John -- not accepted
  Sanicula marilandica L. -- accepted -- black sanicle, Maryland black-snakeroot, Maryland sanicle
  Sanicula marilandica var. petiolulata Fernald -- not accepted
  Sanicula maritima Kellogg ex S. Watson -- accepted -- adobe sanicle, adobe snakeroot
  Sanicula mariversa Nagata & S.M. Gon -- accepted -- Waianae Range blacksnakeroot
  Sanicula nevadensis S. Watson -- not accepted
  Sanicula nevadensis var. septentrionalis (Greene) Mathias -- not accepted
  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe -- accepted -- cluster sanicle, clustered blacksnakeroot
  Sanicula peckiana J.F. Macbr. -- accepted -- Peck's blacksnakeroot, Peck's sanicle
  Sanicula purpurea H. St. John & Hosaka -- accepted -- purpleflower blacksnakeroot
  Sanicula sandwicensis A. Gray -- accepted -- Hawai'i blacksnakeroot
  Sanicula sandwicensis var. lobata Hillebr. ex H. Wolff -- not accepted
  Sanicula saxatilis Greene -- accepted -- devil's blacksnakeroot, rock sanicle
  Sanicula septentrionalis Greene -- not accepted
  Sanicula simulans Hoover -- not accepted
  Sanicula smallii E.P. Bicknell -- accepted -- Small's blacksnakeroot
  Sanicula tracyi Shan & Constance -- accepted -- Tracy's blacksnakeroot, Tracy's sanicle
  Sanicula trifoliata E.P. Bicknell -- accepted -- largefruit blacksnakeroot
  Sanicula tripartita Suksd. -- not accepted
  Sanicula tuberosa Torr. -- accepted -- turkey pea
  Sanicula X howellii (J.M. Coult. & Rose) Shan & Constance -- not accepted
  Scandix L. -- accepted
  Scandix cerefolium L. -- not accepted
  Scandix pecten-veneris L. -- accepted -- shepherd's needle, shepherdsneedle
  Schefflera J.R. Forst. & G. Forst. -- accepted
  Schefflera actinophylla (Endl.) Harms -- accepted -- ivy palm, octopus tree, umbrella tree
  Schefflera arboricola (Hayata) Merr. -- accepted
  Schefflera attenuata (Sw.) Frodin -- accepted -- aralie montagne
  Schefflera gleasonii (Britton & P. Wilson) Alain -- accepted -- yuquilla
  Schefflera morototonii (Aubl.) Maguire, Steyerm. & Frodin -- not accepted -- matchwood
  Schefflera odorata (Blanco) Merr. & Rolfe -- not accepted
  Sciadophyllum capitatum (Jacq.) Griseb. -- not accepted
  Selinum L. -- accepted
  Selinum carvifolia (L.) L. -- accepted -- little-leaf angelica
  Selinum monnieri L. -- not accepted
  Seseli L. -- accepted
  Seseli libanotis (L.) W.D.J. Koch -- accepted -- mooncarrot
  Shoshonea Evert & Constance -- accepted
  Shoshonea pulvinata Evert & Constance -- accepted -- Shoshone carrot
  Siella erecta (Huds.) M. Pimen. -- not accepted
  Sison verticillato-inundata Thore -- not accepted
  Sium L. -- accepted -- water parsnip, waterparsnip
  Sium angustifolium L. -- not accepted
  Sium carsonii Durand ex A. Gray -- accepted -- Carson's waterparsnip
  Sium cicutifolium Schrank -- not accepted
  Sium floridanum Small -- not accepted -- Florida water-parsnip
  Sium latifolium L. -- accepted -- wideleaf waterparsnip
  Sium sisarum L. -- accepted -- skirret
  Sium suave Walter -- accepted -- common waterparsnip, hemlock water-parsnip, hemlock waterparsnip
  Sium suave var. floridanum (Small) C.F. Reed -- not accepted
  Smyrnium L. -- accepted
  Smyrnium olusatrum L. -- accepted -- alexanders
  Spermolepis Raf. -- accepted -- scaleseed
  Spermolepis divaricata (Benth. & Hook. f. ex S. Watson) Raf. ex Ser. -- accepted -- forked scaleseed, roughfruit scaleseed
  Spermolepis echinata (Nutt. ex DC.) A. Heller -- accepted -- bristly scaleseed, bristly-fruit scaleseed
  Spermolepis hawaiiensis H. Wolff -- accepted -- Hawai'i scaleseed
  Spermolepis inermis (Nutt. ex DC.) Mathias & Constance -- accepted -- Red River scaleseed
  Spermolepis patens (Nutt. ex DC.) B.L. Rob. -- not accepted
  Sphenosciadium A. Gray -- accepted
  Sphenosciadium capitellatum A. Gray -- accepted -- button parsley, woollyhead parsnip
  Synelcosciadium Boiss. -- accepted
  Synelcosciadium carmelii (Labill.) Boiss. -- accepted -- hogroot
  Taenidia (Torr. & A. Gray) Drude -- accepted
  Taenidia integerrima (L.) Drude -- accepted -- yellow pimpernel, yellow pimpernell
  Taenidia montana (Mack.) Cronquist -- accepted -- mountain pimpernel
  Tauschia Schltdl. -- accepted -- umbrellawort
  Tauschia arguta (Torr. & A. Gray) J.F. Macbr. -- accepted -- southern umbrellawort
  Tauschia glauca (J.M. Coult. & Rose) Mathias & Constance -- accepted -- glaucous tauschia, glaucous umbrellawort
  Tauschia hartwegii (A. Gray) J.F. Macbr. -- accepted -- Hartweg's umbrellawort
  Tauschia hooveri Mathias & Constance -- accepted -- Hoover's tauschia, Hoover's umbrellawort
  Tauschia howellii (J.M. Coult. & Rose) J.F. Macbr. -- accepted -- Howell's tauschia, Howell's umbrellawort
  Tauschia kelloggii (A. Gray) J.F. Macbr. -- accepted -- Kellogg's umbrellawort
  Tauschia parishii (J.M. Coult. & Rose) J.F. Macbr. -- accepted -- Parish's umbrellawort
  Tauschia stricklandii (J.M. Coult. & Rose) Mathias & Constance -- accepted -- Strickland's umbrellawort
  Tauschia tenuissima (Geyer ex Hook.) Mathias & Constance -- accepted -- Leiberg's umbrellawort
  Tauschia texana A. Gray -- accepted -- Texas umbrellawort
  Tetrapanax (K. Koch) K. Koch -- accepted
  Tetrapanax papyrifer (Hook.) K. Koch -- accepted -- Chinese rice-paper plant, rice-paper plant, ricepaper plant
  Tetrapanax papyriferus (Hook.) K. Koch -- not accepted -- Chinese rice-paper plant, rice-paper plant, ricepaper plant
  Tetraplasandra A. Gray -- not accepted
  Tetraplasandra bisattenuata Sherff -- not accepted
  Tetraplasandra flynnii Lowry & K.R. Wood -- not accepted -- Flynn's `ohe
  Tetraplasandra gymnocarpa (Hillebr.) Sherff -- not accepted -- `ohe`ohe, Koolau Range `ohe
  Tetraplasandra gymnocarpa var. leptocarpa Sherff -- not accepted
  Tetraplasandra gymnocarpa var. megalocarpa Sherff -- not accepted
  Tetraplasandra gymnocarpa var. pupukeensis (O. Deg.) Sherff -- not accepted
  Tetraplasandra hawaiensis A. Gray -- not accepted -- Hawai'i `ohe
  Tetraplasandra hawaiensis var. awiniensis Sherff -- not accepted
  Tetraplasandra hawaiensis var. gracilis Sherff -- not accepted
  Tetraplasandra hawaiensis var. microcarpa Sherff -- not accepted
  Tetraplasandra kaalae (Hillebr.) Harms -- not accepted
  Tetraplasandra kaalae var. multiplex Sherff -- not accepted
  Tetraplasandra kahanana O. Deg. & Sherff -- not accepted
  Tetraplasandra kavaiensis (H. Mann) Sherff -- not accepted -- `ohe`ohe
  Tetraplasandra kavaiensis var. dipyrena (H. Mann) Sherff -- not accepted
  Tetraplasandra kavaiensis var. grandis Sherff -- not accepted
  Tetraplasandra kavaiensis var. intercedens Sherff -- not accepted
  Tetraplasandra kavaiensis var. koloana Sherff -- not accepted
  Tetraplasandra kavaiensis var. nahikuensis Sherff -- not accepted
  Tetraplasandra kavaiensis var. occidua O. Deg. & Sherff -- not accepted
  Tetraplasandra kavaiensis var. robustior Sherff -- not accepted
  Tetraplasandra kohalae Skottsb. -- not accepted
  Tetraplasandra lanaiensis Rock -- not accepted
  Tetraplasandra lihuensis Sherff -- not accepted
  Tetraplasandra lihuensis var. gracilipes Sherff -- not accepted
  Tetraplasandra lydgatei (Hillebr.) Harms -- not accepted
  Tetraplasandra lydgatei var. brachypoda Sherff -- not accepted
  Tetraplasandra lydgatei var. coriacea Sherff -- not accepted
  Tetraplasandra lydgatei var. forbesii Sherff -- not accepted
  Tetraplasandra lydgatei var. leptorachis O. Deg. & Sherff -- not accepted
  Tetraplasandra meiandra (Hillebr.) Harms -- not accepted
  Tetraplasandra meiandra var. bisobtusa Sherff -- not accepted
  Tetraplasandra meiandra var. bryanii Sherff -- not accepted
  Tetraplasandra meiandra var. degeneri Sherff -- not accepted
  Tetraplasandra meiandra var. hillebrandii Sherff -- not accepted
  Tetraplasandra meiandra var. hiloensis Sherff -- not accepted
  Tetraplasandra meiandra var. leptomera Sherff -- not accepted
  Tetraplasandra meiandra var. longipedunculata Skottsb. -- not accepted
  Tetraplasandra meiandra var. makalehana Sherff -- not accepted
  Tetraplasandra meiandra var. mauiensis Sherff -- not accepted
  Tetraplasandra meiandra var. molokaiensis Skottsb. -- not accepted
  Tetraplasandra meiandra var. occidentalis Skottsb. -- not accepted
  Tetraplasandra meiandra var. olowaluana Sherff -- not accepted
  Tetraplasandra meiandra var. ovalis Sherff -- not accepted
  Tetraplasandra meiandra var. polyantha Sherff -- not accepted
  Tetraplasandra meiandra var. polystigmata Sherff -- not accepted
  Tetraplasandra meiandra var. prolifica Sherff -- not accepted
  Tetraplasandra meiandra var. prolificoides Sherff -- not accepted
  Tetraplasandra meiandra var. ramosior Sherff -- not accepted
  Tetraplasandra meiandra var. rhynchocarpa Sherff -- not accepted
  Tetraplasandra meiandra var. rhynchocarpoides O. Deg. & Sherff -- not accepted
  Tetraplasandra meiandra var. rockii Sherff -- not accepted
  Tetraplasandra meiandra var. simulans Sherff -- not accepted
  Tetraplasandra meiandra var. skottsbergii Sherff -- not accepted
  Tetraplasandra meiandra var. tenuistylis Sherff -- not accepted
  Tetraplasandra meiandra var. tenuistyloides O. Deg. & Sherff -- not accepted
  Tetraplasandra micrantha Sherff -- not accepted
  Tetraplasandra munroi Sherff -- not accepted
  Tetraplasandra oahuensis (A. Gray) Harms -- not accepted -- `ohe mauka
  Tetraplasandra oahuensis var. eradiata Sherff -- not accepted
  Tetraplasandra oahuensis var. fauriei Sherff -- not accepted
  Tetraplasandra oahuensis var. hailiensis (O. Deg. & Sherff) O. Deg. & Sherff -- not accepted
  Tetraplasandra oahuensis var. longipes Sherff -- not accepted
  Tetraplasandra oahuensis var. pseudolongipes O. Deg. & Sherff -- not accepted
  Tetraplasandra oahuensis var. pseudorachis Sherff -- not accepted
  Tetraplasandra oahuensis var. subglobosa O. Deg., I. Deg. & Sherff -- not accepted
  Tetraplasandra oahuensis var. venulosior Sherff -- not accepted
  Tetraplasandra pupukeensis Skottsb. -- not accepted
  Tetraplasandra pupukeensis var. decipiens O. Deg. & Sherff -- not accepted
  Tetraplasandra pupukeensis var. megalopoda Sherff -- not accepted
  Tetraplasandra pupukeensis var. nitida O. Deg. & Sherff -- not accepted
  Tetraplasandra pupukeensis var. venosa O. Deg. & Sherff -- not accepted
  Tetraplasandra sherffii O. Deg. & I. Deg. -- not accepted
  Tetraplasandra turbans Sherff -- not accepted
  Tetraplasandra turbens Sherff -- not accepted
  Tetraplasandra waialealae Rock -- not accepted -- Mt. Waialeale `ohe
  Tetraplasandra waialealae var. acrior Sherff -- not accepted
  Tetraplasandra waialealae var. kohuana O. Deg. & Sherff -- not accepted
  Tetraplasandra waialealae var. pluricostata O. Deg. & Sherff -- not accepted
  Tetraplasandra waialealae var. subsessilis Sherff -- not accepted
  Tetraplasandra waialealae var. urceolata Sherff -- not accepted
  Tetraplasandra waialealae var. wahiawensis Sherff -- not accepted
  Tetraplasandra waianensis O. Deg. -- not accepted
  Tetraplasandra waianuensis O. Deg. -- not accepted
  Tetraplasandra waianuensis var. palehuana Sherff -- not accepted
  Tetraplasandra waimeae Wawra -- not accepted -- `ohe kiko `ola
  Tetraplasandra waimeae var. angustior Sherff -- not accepted
  Thaspium Nutt. -- accepted -- meadowparsnip
  Thaspium aureum (L.) Nutt. -- not accepted
  Thaspium aureum var. trifoliatum (L.) J.M. Coult. & Rose -- not accepted
  Thaspium barbinode (Michx.) Nutt. -- accepted -- hairyjoint meadowparsnip, hairyspine thaspium
  Thaspium barbinode var. angustifolium J.M. Coult. & Rose -- not accepted
  Thaspium chapmanii (J.M. Coult. & Rose) Small -- not accepted
  Thaspium montanum A. Gray -- not accepted
  Thaspium pinnatifidum (Buckley) A. Gray -- accepted -- cutleaf meadowparsnip
  Thaspium trifoliatum (L.) A. Gray -- accepted -- purple meadowparsnip, purple thaspium
  Thaspium trifoliatum var. aureum (L.) Britton -- accepted -- purple meadowparsnip
  Thaspium trifoliatum var. flavum S.F. Blake -- not accepted
  Thaspium trifoliatum var. trifoliatum (L.) A. Gray -- accepted -- purple meadowparsnip
  Thorella Briq. -- not accepted
  Thorella bulbosa (Thore) P. Fourn. -- not accepted
  Thorella verticillato-inundata (Thore) Briq. -- not accepted
  Tilingia Regel & Tiling -- accepted
  Tilingia ajanensis Regel & Tiling -- accepted -- false snowparsley
  Tordylium L. -- accepted
  Tordylium apulum L. -- accepted -- Mediterranean hartwort
  Torilis Adans. -- accepted -- hedge parsley, hedgeparsley
  Torilis arvensis (Huds.) Link -- accepted -- Canada hedgeparsley, hedge parsley, hedgeparsley, spreading hedgeparsley
  Torilis arvensis ssp. arvensis (Huds.) Link -- accepted -- hedgeparsley, spreading hedgeparsley
  Torilis arvensis ssp. heterophylla (Guss.) Thell. -- accepted -- spreading hedgeparsley
  Torilis arvensis ssp. purpurea (Ten.) Hayek -- not accepted -- hedgeparsley, spreading hedgeparsley
  Torilis heterophylla Guss. -- not accepted
  Torilis japonica (Houtt.) DC. -- accepted -- erect hedgeparsley
  Torilis leptophylla (L.) Rchb. f. -- accepted -- bristlefruit hedgeparsley
  Torilis nodosa (L.) Gaertn. -- accepted -- knotted hedge-parsley, knotted hedgeparsley
  Torilis purpurea (Ten.) Guss. -- not accepted
  Torilis scabra (Thunb.) DC. -- accepted -- rough hedgeparsley
  Trachyspermum Link -- accepted -- Ajowan caraway
  Trachyspermum ammi (L.) Sprague ex Turrill -- accepted -- Ajowan caraway
  Trachyspermum copticum (L.) Link -- not accepted -- Ajowan caraway
  Trepocarpus Nutt. ex DC. -- accepted
  Trepocarpus aethusae Nutt. ex DC. -- accepted -- whitenymph
  Triclinium odoratum Raf. -- not accepted
  Turgenia Hoffm. -- accepted -- false carrot
  Turgenia latifolia (L.) Hoffm. -- accepted -- broadleaf false carrot
  Visnaga daucoides Gaertn. -- not accepted
  Washingtonia claytonii (Michx.) Britton -- not accepted
  Washingtonia divaricata Britton -- not accepted
  Washingtonia longistylis (Torr.) Britton -- not accepted
  Washingtonia obtusa J.M. Coult. & Rose -- not accepted
  Washingtonia purpurea J.M. Coult. & Rose -- not accepted
  Yabea Koso-Pol. -- accepted
  Yabea microcarpa (Hook. & Arn.) Koso-Pol. -- accepted -- false carrot, false hedge-parsley, falsecarrot
  Zizia W.D.J. Koch -- accepted
  Zizia aptera (A. Gray) Fernald -- accepted -- heart-leaf alexanders, heartleaf alexanders, meadow zizia, meadowparsnip
  Zizia aptera var. occidentalis Fernald -- not accepted
  Zizia arenicola Rose -- not accepted
  Zizia aurea (L.) W.D.J. Koch -- accepted -- golden alexanders, golden zizia
  Zizia bebbii (J.M. Coult. & Rose) Britton -- not accepted
  Zizia cordata W.D.J. Koch ex DC. -- not accepted
  Zizia latifolia Small -- not accepted
  Zizia trifoliata (Michx.) Fernald -- accepted -- meadow alexanders
   

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