Id%Version%Family%Infra family%Hybrid genus%Genus%Infra genus%Rank%Authors%Basionym author%Publishing author%Full name without family and authors%Publication%Collation%Publication year full%Name status%Remarks%Basionym%Replaced synonym%Nomenclatural synonym%Distribution%Citation type
140387-3%1.1.1.1%Asteraceae%%N%Arnica%%gen.%L.%%L.%Arnica%Gen. Pl., ed. 5 [Linnaeus]%%1754%%%%%%%unknown
329191-2%1.7%Asteraceae%%N%Arnica%%gen.%L.%%L.%Arnica%Sp. Pl. [Linnaeus]%2: 884%1753%%%%%%%tax. nov.
7723-1%1.4.1.1%Asteraceae%%N%Arnica%%gen.%Boehm.%%Boehm.%Arnica%Def. Gen. Pl., ed. 3.%186%1760%%%%%%%unknown
60466762-2%1.1.2.1%Asteraceae%%N%Arnica%aronicum%subgen.%(Neck. ex Rchb.) Heer%(Neck. ex Rchb.)%Heer%Arnica subgen. Aronicum%Mitth. Geb. Theor. Erdk.%1: 434%1836%%%Asteraceae Aronicum Neck. ex Rchb.%%%%stat. nov.
19841-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica abortiva%Leafl. Bot. Observ. Crit.%2: 47%1910%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
19842-2%1.4%Asteraceae%%N%Arnica%%spec.%Britton, Sterns & Poggenb.%%Britton, Sterns & Poggenb.%Arnica acaulis%Prelim. Cat.%30%1888%%%%%%%tax. nov.
19843-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica alata%N. Amer. Fl.%34(4): 342%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
178874-1%1.1.2.2.1.2.1.3%Asteraceae%%N%Arnica%%spec.%Willd. ex Steud.%%Willd. ex Steud.%Arnica alpina%Nomencl. Bot. [Steudel]%70%1821%nom. inval.    Art. 34.1c (Vienna Code, 2006)%%%%%%tax. nov.
178875-1%1.2.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Salisb.%%Salisb.%Arnica alpina%Prodr. Stirp. Chap. Allerton%201%1796%%%%%%%unknown
178876-1%1.4.1.1%Asteraceae%%N%Arnica%%spec.%Olin & Ladau%%Olin & Ladau%Arnica alpina%Diss.%11%%%%%%%%unknown
30028291-2%1.1.2.2%Asteraceae%%N%Arnica%%spec.%(L.) Olin & Ladau%(L.)%Olin & Ladau%Arnica alpina%Diss. Arnica%11%1799%nom. illeg. later homonym    non Salisb. (1796).%%Asteraceae Arnica montana L. var. alpina L.%%%%comb. et stat. nov.
19844-2%1.2.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Vahl) Maguire%(Vahl)%Maguire%Arnica alpina subsp. angustifolia%Madroño%6: 153%1942%%%%%%%tax. nov.
19845-2%1.2.2.1.1.1%Asteraceae%%N%Arnica%%var.%Fernald%%Fernald%Arnica alpina var. angustifolia%Rhodora%36: 96%1934%%%%%%%tax. nov.
19846-2%1.1.2.1.1.5%Asteraceae%%N%Arnica%%var.%(Greene) Ediger & T.M.Barkley%(Greene)%Ediger & T.M.Barkley%Arnica alpina var. attenuata%N. Amer. Fl.%ser. 2, 10: 31%1978%%%%%%%comb. nov.
19847-2%1.2.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Greene) Maguire%(Greene)%Maguire%Arnica alpina subsp. attenuata%Madroño%6: 153%1942%%%%%%%tax. nov.
60440472-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica alpina subsp. iljinii%Brittonia%4(3): 412 (-413; figs. 26-27)%1943%%as iljini; subspecific name honors: Modest Mikhaĭlovich Iljin (1889-1967)%%%%Russia%tax. nov.
19848-2%1.3%Asteraceae%%N%Arnica%%f.%Porsild%%Porsild%Arnica alpina f. inundata%Meddel. Gronland%58: 181%1926%%%%%%Greenland (Subarctic America, Northern America)%tax. nov.
299353-2%1.3%Asteraceae%%N%Arnica%%var.%Hultén%%Hultén%Arnica alpina var. linearis%Acta Univ. Lund.%1: 1588%1950%%%%%%Alaska & Yukon%tax. nov.
19849-2%1.4%Asteraceae%%N%Arnica%%var.%(Greene) S.L.Welsh%(Greene)%S.L.Welsh%Arnica alpina var. lonchophylla%Great Basin Naturalist%28: 149%1968%%%%%%%tax. nov.
19850-2%1.6%Asteraceae%%N%Arnica%%subsp.%(Greene) G.W.Douglas & Ruyle-Dougl.%(Greene)%G.W.Douglas & Ruyle-Dougl.%Arnica alpina subsp. lonchophylla%Canad. J. Bot.%56: 185%1978%%%%%%%tax. nov.
19851-2%1.1.2.1.1.4%Asteraceae%%N%Arnica%%var.%(Pursh) Ediger & T.M.Barkley%(Pursh)%Ediger & T.M.Barkley%Arnica alpina var. plantaginea%N. Amer. Fl.%ser. 2, 10: 32%1978%%%%%%%comb. et stat. nov.
19852-2%1.2.2.2%Asteraceae%%N%Arnica%%subsp.%(Fernald) Maguire%(Fernald)%Maguire%Arnica alpina subsp. sornborgeri%Brittonia%4: 414%1943%%%%%%%tax. nov.
19853-2%1.2.2.1.1.1.2.1%Asteraceae%%N%Arnica%%subsp.%(J.M.Macoun) Maguire%(J.M.Macoun)%Maguire%Arnica alpina subsp. tomentosa%Madroño%6: 153%1942%%%Asteraceae Arnica tomentosa J.M.Macoun%%%%comb. et stat. nov.
19854-2%1.4.2.1.1.1%Asteraceae%%N%Arnica%%var.%(J.M.Macoun) Cronquist%(J.M.Macoun)%Cronquist%Arnica alpina var. tomentosa%Vasc. Pl. Pacif. N. W. [C.L. Hitchcock & al.]%5: 46%1955%%%Asteraceae Arnica tomentosa J.M.Macoun%%%%comb. et stat. nov.
19855-2%1.4%Asteraceae%%N%Arnica%%var.%(B.Boivin) B.Boivin%(B.Boivin)%B.Boivin%Arnica alpina var. ungavensis%Phytologia%23: 95%1972%%%%%%%tax. nov.
19856-2%1.3%Asteraceae%%N%Arnica%%var.%B.Boivin%%B.Boivin%Arnica alpina var. vahliana%Naturaliste Canad.%75: 209%1948%%%%%%Baffin Island, Canada%tax. nov.
299352-2%1.3%Asteraceae%%N%Arnica%%var.%Hultén%%Hultén%Arnica alpina var. vestita%Acta Univ. Lund.%1: 1588%1950%%%%%%Alaska & Yukon%tax. nov.
178877-1%1.6%Asteraceae%%N%Arnica%%spec.%Turcz.%%Turcz.%Arnica altaica%Bull. Soc. Imp. Naturalistes Moscou%20(3): 12%1847%%%%%%%unknown
178879-1%1.1.2.1.1.1.2.2.1.2%Asteraceae%%N%Arnica%%spec.%Wall. ex DC.%%Wall. ex DC.%Arnica amplexicaulis%Prodr. [A. P. de Candolle]%6: 314%1838%nom. inval.    pro syn. of Ligularia amplexicaulis DC. (1838).%%%%%%tax. nov.
308180-2%1.4%Asteraceae%%N%Arnica%%spec.%Nutt.%%Nutt.%Arnica amplexicaulis%Trans. Amer. Philos. Soc.%ser. 2, 7: 408%1841%%%%%%Rocky Mountains, Oregon (Northwestern U.S.A., Northern America)%tax. nov.
19858-2%1.1.2.2%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica amplexicaulis subsp. genuina%Brittonia%4: 472%1943%%%%%%%tax. nov.
19859-2%1.2.2.1%Asteraceae%%N%Arnica%%var.%H.St.John%%H.St.John%Arnica amplexicaulis var. piperi%Proc. Biol. Soc. Washington%44: 36%1931%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
19860-2%1.1.2.2.1.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica amplexicaulis subsp. prima%Brittonia%4: 472%1943%%%%%%%tax. nov.
19861-2%1.1.2.1.1.1.2.1%Asteraceae%%N%Arnica%%var.%(Maguire) B.Boivin%(Maguire)%B.Boivin%Arnica amplexicaulis var. prima%Naturaliste Canad.%94: 632%1967%%%%%%%tax. nov.
19864-2%1.1.2.1.1.1.2.1%Asteraceae%%N%Arnica%%var.%(Maguire) S.L.Welsh%(Maguire)%S.L.Welsh%Arnica amplexicaulis var. prima%Great Basin Naturalist%28: 149%1968%%%%%%%tax. nov.
19862-2%1.2.2.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica amplexifolia%Mem. New York Bot. Gard.%1: 434%1900%nom. illeg. nom. superfl.%Rydberg erred in treating A. amplexicaulis Nuttall (1841) as a later homonym (non Wall. ex DC. 1838, nom. invalid).%%%%%nom. nov.
299351-2%1.1.2.1.1.2.2.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica amplexifolia var. borealis%Madroño%6: 154%1942%%%%%%%tax. nov.
19863-2%1.1.2.1.1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica amplexifolia subsp. genuina%Madroño%6: 154%1942%%%%%%%tax. nov.
19865-2%1.1.2.1.1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica amplexifolia subsp. prima%Madroño%6: 154%1942%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
19866-2%1.1.2.1.1.2.2.1%Asteraceae%%N%Arnica%%var.%(A.Nelson) Maguire%(A.Nelson)%Maguire%Arnica amplexifolia var. trina%Rhodora%41: 507%1939%%%%%%%tax. nov.
19867-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica amplifolia%N. Amer. Fl.%34(4): 354%1927%%%%%%Idaho (Northwestern U.S.A., Northern America)%tax. nov.
19868-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Piper%%Piper%Arnica andersonii%Proc. Biol. Soc. Washington%33: 106%1920%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
178883-1%1.1.2.1.1.5%Asteraceae%%N%Arnica%%spec.%Turcz. ex Ledeb.%%Turcz. ex Ledeb.%Arnica angustifolia%Fl. Ross. (Ledeb.)%2(2,6): 622%1845%nom. inval.    Art. 34.1c (Vienna Code, 2006)%%%%%%tax. nov.
178884-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica angustifolia%Amer. J. Sci. Arts%ser. 2, 33: 238%1862%%%%%%%unknown
178885-1%1.4.1.2%Asteraceae%%N%Arnica%%spec.%Vahl%%Vahl%Arnica angustifolia%Fl. Dan. [Oeder]%t. 1524%%%%%%%%unknown
19869-2%1.2.2.1%Asteraceae%%N%Arnica%%spec.%Vahl%%Vahl%Arnica angustifolia%Fl. Dan. [Oeder]%9(26):5, t. 1524%1816%%%%%%Greenland (Subarctic America, Northern America);Sweden (Northern Europe, Europe);%tax. nov.
876527-1%1.1.2.1.1.4.1.2%Asteraceae%%N%Arnica%%subsp.%(L.) I.K.Ferguson%(L.)%I.K.Ferguson%Arnica angustifolia subsp. alpina%Bot. J. Linn. Soc.%67(3): 282%1973%%%%%%%unknown
19870-2%1.7%Asteraceae%%N%Arnica%%subsp.%(Greene) G.W.Douglas & Ruyle-Dougl.%(Greene)%G.W.Douglas & Ruyle-Dougl.%Arnica angustifolia subsp. attenuata%Canad. J. Bot.%56: 1710%1978%%%%%%%tax. nov.
19871-2%1.3%Asteraceae%%N%Arnica%%var.%A.Gray%%A.Gray%Arnica angustifolia var. eradiata%%%%%%%%%%tax. nov.
876529-1%1.1.2.2.1.2.1.2%Asteraceae%%N%Arnica%%subsp.%(Maguire) I.K.Ferguson%(Maguire)%I.K.Ferguson%Arnica angustifolia subsp. iljinii%Bot. J. Linn. Soc.%67(3): 282%1973%%%Asteraceae Arnica alpina (L.) Olin & Ladau subsp. iljinii Maguire%%%%comb. nov.
19872-2%1.5%Asteraceae%%N%Arnica%%var.%Torr. & A.Gray%%Torr. & A.Gray%Arnica angustifolia var. lessingii%Fl. N. Amer. (Torr. & A. Gray)%2: 449%1843%%%%%%%tax. nov.
19873-2%1.6%Asteraceae%%N%Arnica%%subsp.%(Greene) G.W.Douglas & Ruyle-Dougl.%(Greene)%G.W.Douglas & Ruyle-Dougl.%Arnica angustifolia subsp. lonchophylla%Canad. J. Bot.%56: 1710%1978%%%%%%%tax. nov.
1029054-2%1.3.2.1.1.1%Asteraceae%%N%Arnica%%var.%(J.M.Macoun) Dorn%(J.M.Macoun)%Dorn%Arnica angustifolia var. tomentosa%Vasc. Pl. Wyoming, ed. 3.%375%2001%%%Asteraceae Arnica tomentosa J.M.Macoun%%%%comb. et stat. nov.
19874-2%1.4.2.1.1.2%Asteraceae%%N%Arnica%%subsp.%(J.M.Macoun) G.W.Douglas & Ruyle-Dougl.%(J.M.Macoun)%G.W.Douglas & Ruyle-Dougl.%Arnica angustifolia subsp. tomentosa%Canad. J. Bot.%56(14): 1710%1978%%%Asteraceae Arnica tomentosa J.M.Macoun%%%%comb. et stat. nov.
19875-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Piper%%Piper%Arnica aphanactis%Proc. Biol. Soc. Washington%33: 105%1920%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
19876-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica aprica%Ottawa Naturalist%15: 280%1902%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
19877-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica arachnoidea%N. Amer. Fl.%34(4): 353%1927%%%%%%Utah (Southwestern U.S.A., Northern America)%tax. nov.
19878-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica arcana%Bot. Gaz.%37: 276%1904%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
19879-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica arnoglossa%Pittonia%4(23): 166%1900%%%%%%South Dakota (North-Central U.S.A., Northern America)%tax. nov.
19880-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica aspera%Ottawa Naturalist%15: 281%1902%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
19881-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica attenuata%Pittonia%4(23): 170%1900%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
19882-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica aurantiaca%Torreya%1: 42%1901%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
178894-1%1.1.2.2.1.3%Asteraceae%%N%Arnica%%spec.%Willd. ex Ledeb.%%Willd. ex Ledeb.%Arnica auriculata%Fl. Ross. (Ledeb.)%2(2,6): 632%1845%%%%%%%unknown
19883-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica austinae%N. Amer. Fl.%34(4): 340%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
1017497-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%spec.%(Jacq.) Hoppe%(Jacq.)%Hoppe%Arnica austriaca%Deutschl. Fl. (Sturm), Abt. I, Phanerog.%10: 16%1814%%%%%%%unknown
178896-1%1.1.2.2.1.3%Asteraceae%%N%Arnica%%spec.%Hoppe ex Schur%%Hoppe ex Schur%Arnica austriaca%Enum. Pl. Transsilv.%340%1866%%%%%%%unknown
178897-1%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%All.%%All.%Arnica bellidiastrum%Fl. Pedem.%i. 205%1785%%%%%%%unknown
19884-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica bernardina%Pittonia%4(23): 170%1900%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19885-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica betonicifolia%Pittonia%4(23): 163%1900%%%%%%Oregon and Washington, United States of America (Northern America)%tax. nov.
19886-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%M.E.Jones%%M.E.Jones%Arnica betonicifolia var. gracilis%Bull. Montana State Univ., Biol. Ser.%ser. 15: 48%1910%%%%%%%tax. nov.
299350-2%1.6%Asteraceae%%N%Arnica%%spec.% in Rydb.%% in Rydb.%Arnica borealis%N. Amer. Fl.%34(4): 351%1927%%%%%%Alaska and Yukon to Alberta%tax. nov.
178901-1%1.6%Asteraceae%%N%Arnica%%spec.%Raf.%%Raf.%Arnica brevicaulis%New Fl. [Rafinesque]%2: 23%1837%%%%%%%unknown
299349-2%1.6%Asteraceae%%N%Arnica%%spec.% in Rydb.%% in Rydb.%Arnica brevifolia%N. Amer. Fl.%34(4): 329%1927%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
19887-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica bruceae%N. Amer. Fl.%34(4): 347%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19888-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica caespitosa%Bot. Gaz.%30: 203%1900%%%%%%Yellowstone Park, United States of America (Northern America)%tax. nov.
178905-1%1.4.1.2%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica caffra%Syst. Nat., ed. 10.%2: 1219%1759%%%%%%%unknown
19889-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica cana%Ottawa Naturalist%15: 282%1902%%%%%%%tax. nov.
19890-2%1.3%Asteraceae%%N%Arnica%%spec.%H.St.John%%H.St.John%Arnica cascadensis%Rep. Prov. Mus. Nat. Hist.%1926: C10%1927%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
19891-2%1.3%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica caudata%Bull. Torrey Bot. Club%37: 463%1910%%%%%%Utah (Southwestern U.S.A., Northern America)%tax. nov.
19892-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica celsa%Bot. Gaz.%31: 408%1901%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
60440714-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Howell%%Howell%Arnica cernua%Fl. N.W. Amer. [Howell]%1: 373%1900%%as cernuua%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
305804-2%1.4.2.1%Asteraceae%%N%Arnica%%spec.%Less.%%Less.%Arnica chamissonis%Linnaea%6(2): 238%1831%%%%%%Unalaska, Alaska (Subarctic America, Northern America)%tax. nov.
19893-2%1.2.2.1.1.4%Asteraceae%%N%Arnica%%var.%(Nutt.) Ediger & T.M.Barkley%(Nutt.)%Ediger & T.M.Barkley%Arnica chamissonis var. andina%N. Amer. Fl.%ser. 2, 10: 21%1978%%%%%%%comb. nov.
77316740-1%1.2%Asteraceae%%N%Arnica%%var.%Herder%%Herder%Arnica chamissonis var. angustifolia%Bull. Soc. Imp. Naturalistes Moscou%40(no. 2): 425%1867%nom. inval. nom. nud.    Morphological description lacking [Protologue: 'Blùthenexemplare vom Saskatchewan und von den Rocky-Mountains (Bourgeau)']%%%%%%tax. nov.
77181041-1%1.1%Asteraceae%%N%Arnica%%var.%(Greene) Jeps. ex Maguire%(Greene)%Jeps. ex Maguire%Arnica chamissonis var. bernardina%Amer. Midl. Naturalist%37: 140%1947%%%%%%%comb. nov.
19894-2%1.2.2.1%Asteraceae%%N%Arnica%%subsp.%(Nutt.) Maguire%(Nutt.)%Maguire%Arnica chamissonis subsp. foliosa%Rhodora%41: 508%1939%%%%%%%tax. nov.
299348-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica chamissonis var. foliosa%Amer. Midl. Naturalist%37: 139%1947%%%%%%%tax. nov.
19895-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica chamissonis subsp. genuina%Madroño%6: 154%1942%%%%%%%tax. nov.
19896-2%1.3.2.1%Asteraceae%%N%Arnica%%f.%(A.Gray) B.Boivin%(A.Gray)%B.Boivin%Arnica chamissonis f. incana%Naturaliste Canad.%94: 521%1967%%%Asteraceae Arnica foliosa Nutt. var. incana A.Gray%%%%stat. nov.
19897-2%1.2.2.2%Asteraceae%%N%Arnica%%subsp.%(A.Gray) Maguire%(A.Gray)%Maguire%Arnica chamissonis subsp. incana%Brittonia%4: 466%1943%%%Asteraceae Arnica foliosa Nutt. var. incana A.Gray%%%%stat. nov.
19898-2%1.3%Asteraceae%%N%Arnica%%var.%(A.Gray) S.L.Welsh%(A.Gray)%S.L.Welsh%Arnica chamissonis var. incana%Great Basin Naturalist%28: 149%1968%%%%%%%tax. nov.
299347-2%1.6.2.1%Asteraceae%%N%Arnica%%var.%(A.Gray) Hultén%(A.Gray)%Hultén%Arnica chamissonis var. incana%Acta Univ. Lund.%n.s., 10: 1591%1950%%%Asteraceae Arnica foliosa Nutt. var. incana A.Gray%%%%comb. nov.
77180823-1%1.1.2.1%Asteraceae%%N%Arnica%%var.%(A.Gray) Hultén%(A.Gray)%Hultén%Arnica chamissonis var. incana%%%%%%Asteraceae Arnica foliosa Nutt. var. incana A.Gray%%%%comb. nov.
299344-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica chamissonis var. interior%Madroño%6: 154%1942%%%%%%Alaska & southwards%tax. nov.
299346-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica chamissonis var. jepsoniana%Amer. Midl. Naturalist%37: 140%1947%%%%%%Nevada (Southwestern U.S.A., Northern America)%tax. nov.
19899-2%1.2%Asteraceae%%N%Arnica%%var.%A.Nelson%%A.Nelson%Arnica chamissonis var. longinodosa%Bot. Gaz.%30: 199%1900%%%%%%Wyoming, Yellowstone Park and Utah, United States of America (Northern America)%tax. nov.
299345-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(A.Nelson) Maguire%(A.Nelson)%Maguire%Arnica chamissonis var. maguirei%Rhodora%41: 508%1939%%%%%%%tax. nov.
19900-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica chandleri%N. Amer. Fl.%34(4): 339%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19901-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica chionopappa%Rhodora%7: 148%1905%%%%%%Quebec & New Brunswick, Canada%tax. nov.
19902-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica chionophila%Pittonia%4(23): 171%1900%%%%%%Nevada (Southwestern U.S.A., Northern America)%tax. nov.
19903-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica ciliaris%N. Amer. Fl.%34(4): 351%1927%%%%%%California, Oregon, Nevada, United States of America (Northern America)%tax. nov.
178915-1%1.2.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica ciliata%Fl. Jap. (Thunberg)%318%1784%%%%%%%unknown
927452-1%1.4%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica ciliata%Syst. Veg., ed. 14 (J. A. Murray).%768%1784%%%%%%Japan.%tax. nov.
178916-1%1.8%Asteraceae%%N%Arnica%%spec.%Pursh%%Pursh%Arnica claytonii%Fl. Amer. Sept. (Pursh)%2: 527%1813%%%%%%%unknown
178917-1%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%All.%%All.%Arnica clusii%Fl. Pedem.%i. 205. t. 17. f. I%1785%%%%%%%unknown
329150-2%1.2%Asteraceae%%N%Arnica%%spec.%All.%%All.%Arnica clusii%Auct. Syn. Meth. Stirp. Hort. Regii Taur.%[18]%1773%%[NON GCI]%%%%Europe: Albula Rhaetica & aliis Rhaetorum alpibus%tax. nov.
19904-2%1.3%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica coloradensis%Bull. Torrey Bot. Club%32: 131%1905%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
19905-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica columbiana%Bot. Gaz.%30: 200%1900%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
291423-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica columbiana%Pittonia%4(23): 159%1900%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
19906-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica confinis%Ottawa Naturalist%15: 281%1902%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
178922-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica cordata%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
178923-1%1.1.2.1.1.2.2.1.1.2%Asteraceae%%N%Arnica%%spec.%E.Mey. ex DC.%%E.Mey. ex DC.%Arnica cordata%Prodr. [A. P. de Candolle]%7(1): 16%1838%%%%%%%unknown
178924-1%1.1.2.1.1.3%Asteraceae%%N%Arnica%%spec.%Wulfen%%Wulfen%Arnica cordata%Arch. Bot. [Leipzig]%3(3): 408%1805%%%%%%%unknown
178925-1%1.2.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Hook.%%Hook.%Arnica cordifolia%Fl. Bor.-Amer. (Hooker)%1(suppl.): 331%1834%%%%%%%unknown
299343-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica cordifolia var. cordifolia%Amer. Midl. Naturalist%37: 137%1947%%%%%%%tax. nov.
19907-2%1.3%Asteraceae%%N%Arnica%%var.%A.Gray%%A.Gray%Arnica cordifolia var. eradiata%Syn. Fl. N. Amer.%1, pt. 2: 381%1884%%%%%%Oregon, Montana, etc%tax. nov.
19908-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica cordifolia subsp. genuina%Madroño%6: 154%1942%%%%%%%tax. nov.
299342-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica cordifolia var. humilis%Amer. Midl. Naturalist%37: 138%1947%%%%%%%tax. nov.
299341-2%1.2.2.1%Asteraceae%%N%Arnica%%var.%(Nutt.) Maguire%(Nutt.)%Maguire%Arnica cordifolia var. macrophylla%Amer. Midl. Naturalist%37: 137%1947%%%%%%%tax. nov.
299340-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica cordifolia var. pumila%Madroño%6: 154%1942%%%%%%%tax. nov.
19909-2%1.1.2.2%Asteraceae%%N%Arnica%%subsp.%(Fernald) Maguire%(Fernald)%Maguire%Arnica cordifolia subsp. whitneyi%Brittonia%4: 452%1943%%%%%%%tax. nov.
178926-1%1.2.1.3%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica coronopifolia%Sp. Pl.%2: 885%1753%%%%%%%unknown
329152-2%1.3%Asteraceae%%N%Arnica%%spec.%Loisel.%%Loisel.%Arnica corsica%Fl. Gall.%2: 576 (t. 20)%1807%%[NON GCI]%%%%Corsica%tax. nov.
178928-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica crenata%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
178929-1%1.2.1.3%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica crocea%Sp. Pl.%2: 885%1753%%%%%%%unknown
19910-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica crocea%Pittonia%4(23): 159%1900%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
19911-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica crocina%Torreya%1: 42%1901%%%%%%%tax. nov.
19912-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica cusickii%N. Amer. Fl.%34(4): 343%1927%%%%%%Oregon, Nevada, United States of America (Northern America)%tax. nov.
1012643-1%1.1.2.1.1.6%Asteraceae%%N%Arnica%%spec.%(A.Gray) B.G.Baldwin%(A.Gray)%B.G.Baldwin%Arnica dealbata%Novon%9(4): 460%1999%%%Asteraceae Whitneya dealbata A.Gray%%%%comb. nov.
19913-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica denudata%Pittonia%3(15): 105%1896%%%%%%Nevada (Southwestern U.S.A., Northern America)%tax. nov.
19915-2%1.4%Asteraceae%%N%Arnica%%var.%(Rydb.) Cronquist in Ferris%(Rydb.)%Cronquist in Ferris%Arnica denudata var. alata%Contr. Dudley Herb.%5: 102%1958%%%%%%%tax. nov.
19914-2%1.3%Asteraceae%%N%Arnica%%var.%Greene%%Greene%Arnica denudata var. canescens%Pittonia%3(15): 105%1896%%%%%%Nevada (Southwestern U.S.A., Northern America)%tax. nov.
19916-2%1.3%Asteraceae%%N%Arnica%%var.%(A.Gray) Cronquist%(A.Gray)%Cronquist%Arnica denudata var. eradiata%Vasc. Pl. Pacif. N. W. [C.L. Hitchcock & al.]%5: 49%1955%%%%%%%tax. nov.
178933-1%1.2.2.1.1.2.2.1%Asteraceae%%N%Arnica%%spec.%Benth.%%Benth.%Arnica discoidea%Pl. Hartw. [Bentham]%319%1849%%%%%%%tax. nov.
30447169-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Benth.%%Benth.%Arnica discoidea%Pl. Hartw. [Bentham]%Sig. TT: 319%1849%%%%%%Mexico (Northern America)%tax. nov.
1141807-2%1.4%Asteraceae%%N%Arnica%%var.%(Rydb.) Cronquist in Ferris%(Rydb.)%Cronquist in Ferris%Arnica discoidea var. alata%%%%%%%%%%unknown
1198997-2%1.3%Asteraceae%%N%Arnica%%var.%(A.Gray) Cronquist%(A.Gray)%Cronquist%Arnica discoidea var. eradiata%%%%%%%%%%unknown
19917-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica diversifolia%Pittonia%4(23): 171%1900%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
178936-1%1.7%Asteraceae%%N%Arnica%%spec.%Pursh%%Pursh%Arnica doronicum%Fl. Amer. Sept. (Pursh)%2: 528%1813%%%%%%%unknown
329157-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Jacq.%%Jacq.%Arnica doronicum%Fl. Austriac. (Jacquin)%1: 57 (t. 92)%1773%%[NON GCI] sine collector%%%%Austria (Middle Europe, Europe)%tax. nov.
19918-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica eastwoodiae%N. Amer. Fl.%34(4): 343%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19919-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica elongata%N. Amer. Fl.%34(4): 350%1927%%%%%%Western North America%tax. nov.
19920-2%1.3%Asteraceae%%N%Arnica%%spec.%A.Heller%%A.Heller%Arnica eradiata%Cat. N. Amer. Pl.%7%1898%%%%%%%tax. nov.
19921-2%1.4%Asteraceae%%N%Arnica%%spec.%Gand.%%Gand.%Arnica eriopoda%Bull. Soc. Bot. France%65: 38%1918%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
19922-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica evermannii%Ottawa Naturalist%23: 215%1910%%%%%%Idaho (Northwestern U.S.A., Northern America)%tax. nov.
19923-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica exigua%Bot. Gaz.%30: 202%1900%%%%%%Yellowstone Park, United States of America (Northern America)%tax. nov.
19924-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica falconaria%Ottawa Naturalist%23: 215%1910%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
940988-1%1.7%Asteraceae%%N%Arnica%%spec.%Jurtzev & Korobkov%%Jurtzev & Korobkov%Arnica fennoscandica%Arktichesk. Fl. SSSR%10: 191, nom. nov.%1987%%%%%%%nom. nov.
19925-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica fernaldii%N. Amer. Fl.%34(4): 333%1927%%%%%%Newfoundland, Newfoundland & Labrador (Canada)%tax. nov.
19926-2%1.6%Asteraceae%%N%Arnica%%spec.%Greene ex Rydb.%%Greene ex Rydb.%Arnica filipes%N. Amer. Fl.%34(4): 350%1927%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
178946-1%1.1.2.2%Asteraceae%%N%Arnica%%spec.%Bertol.%%Bertol.%Arnica floccosa%Lucubr. Re Herb.%36 (1822)%1822%%%%%%%tax. nov.
19927-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica flodmanii%N. Amer. Fl.%34(4): 334%1927%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
178948-1%1.5%Asteraceae%%N%Arnica%%spec.%Nutt.%%Nutt.%Arnica foliosa%Trans. Amer. Philos. Soc.%ser. 2, 7: 407%1841%%%%%%%unknown
19929-2%1.2%Asteraceae%%N%Arnica%%var.%Nutt.%%Nutt.%Arnica foliosa var. andina%Trans. Amer. Philos. Soc.%ser. 2, 7: 407%1841%%%%%%Utah (Southwestern U.S.A., Northern America)%tax. nov.
19930-2%1.2.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Greene) Jeps.%(Greene)%Jeps.%Arnica foliosa var. bernardina%Man. Fl. Pl. Calif. [Jepson]%1157%1925%%%%%%%tax. nov.
19931-2%1.3%Asteraceae%%N%Arnica%%var.%A.Gray%%A.Gray%Arnica foliosa var. incana%Amer. Naturalist%8: 213%1874%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19932-2%1.2.2.1%Asteraceae%%N%Arnica%%var.%(Greene) Jeps.%(Greene)%Jeps.%Arnica foliosa var. sonnei%Man. Fl. Pl. Calif. [Jepson]%1157%1925%%%%%%%tax. nov.
19934-2%1.5%Asteraceae%%N%Arnica%%spec.%C.A.Mey. ex Iljin%%C.A.Mey. ex Iljin%Arnica frigida%Trudy Bot. Muz.%19: 112, tab. 11, fig. 3%1926%%Siberia & Alaska%%%%Siberia & Alaska%tax. nov.
19935-2%1.2%Asteraceae%%N%Arnica%%var.%B.Boivin%%B.Boivin%Arnica frigida var. glandulosa%Rhodora%55: 56%1953%%%%%%Yukon Territory (Canada)%tax. nov.
272676-2%1.1.2.1.1.2%Asteraceae%%N%Arnica%%subsp.%(Fernald) S.R.Downie%(Fernald)%S.R.Downie%Arnica frigida subsp. griscomii%Canad. J. Bot.%64: 1369%1986%%%%%%%tax. nov.
178950-1%1.8%Asteraceae%%N%Arnica%%spec.%Pursh%%Pursh%Arnica fulgens%Fl. Amer. Sept. (Pursh)%2: 527%1813%%%%%%%unknown
19937-2%1.5%Asteraceae%%N%Arnica%%var.%(Greene) G.W.Douglas & Ruyle-Dougl.%(Greene)%G.W.Douglas & Ruyle-Dougl.%Arnica fulgens var. sororia%Canad. J. Bot.%56: 185%1978%%%%%%%tax. nov.
19938-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica gaspensis%Rhodora%7: 148%1905%%%%%%Quebec (Canada)%tax. nov.
178952-1%1.4%Asteraceae%%N%Arnica%%spec.%Burm.f.%%Burm.f.%Arnica gerbera%Fl. Ind. (N. L. Burman)%Prodr. Fl. Cap.: 27%1768%%%%%%%unknown
178953-1%1.2.1.3%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica gerbera%Sp. Pl.%2: 885%1753%%%%%%%unknown
19939-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica glabrata%N. Amer. Fl.%34(4): 335%1927%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
329156-2%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Wulfen in Jacq.%%Wulfen in Jacq.%Arnica glacialis%Collectanea [Jacquin]%1: 230%1786%%[NON GCI] sine collector%%%%Arnica Doronicum, Malnizer Tauern, Austria (Middle Europe, Europe)%tax. nov.
19940-2%1.4%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica gracilis%Bull. Torrey Bot. Club%24(6): 297%1897%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
19941-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica grandifolia%Pittonia%4(23): 172%1900%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
178958-1%1.7%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica grandis%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
19942-2%1.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica granulifera%Fl. Rocky Mts.%978%1917%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
291422-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Heller%%A.Heller%Arnica grayi%Muhlenbergia%1: 5%1900%%A. cordifolia var. eradiata Gray non A. angustifolia var. eradiata%%%%%tax. nov.
291421-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica greenei%Bot. Gaz.%31: 406%1901%%A. columbiana Greene non A. Nelson%%%%%tax. nov.
272677-2%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica griscomii%Rhodora%26: 105 (-106)%1924%%%%%%Quebec (Canada)%tax. nov.
955198-1%1.7%Asteraceae%%N%Arnica%%subsp.%(Iljin) S.J.Wolf%(Iljin)%S.J.Wolf%Arnica griscomii subsp. frigida%Taxon%38(1): 142 (1989):%1989%%%Asteraceae Arnica frigida C.A.Mey. ex Iljin%%%%comb. nov.
19944-2%1.6%Asteraceae%%N%Arnica%%spec.%H.St.John%%H.St.John%Arnica hardinae%Fl. S.-e. Washington (St. John)%419%1937%%%%%%Idaho (Northwestern U.S.A., Northern America)%tax. nov.
178962-1%1.5%Asteraceae%%N%Arnica%%spec.%G.Don ex Loudon%%G.Don ex Loudon%Arnica helvetica%Hort. Brit. [Loudon]%351%1830%nom. inval. nom. nud.%%%%%%tax. nov.
178963-1%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Forssk.%%Forssk.%Arnica hirsuta%Fl. Aegypt.-Arab.%151%1775%%%%%%%unknown
19945-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica hirticaulis%N. Amer. Fl.%34(4): 349%1927%%%%%%Oregon, Washington, United States of America (Northern America)%tax. nov.
19946-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica humilis%N. Amer. Fl.%34(4): 341%1927%%%%%%Alberta (Western Canada, Northern America)%tax. nov.
178966-1%1.7%Asteraceae%%N%Arnica%%spec.%(Maguire) Iljin%(Maguire)%Iljin%Arnica iljinii%Fl. URSS%26: 658%1961%%%%%%%unknown
974736-1%1.3.2.1.1.3%Asteraceae%%N%Arnica%%var.%Revuschkin%%Revuschkin%Arnica iljinii var. polycephala%Sist. Zametki Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva%88: 6 (1990), contrary to Art. 37.5 ICBN (1988)%1990%%%%%%Altay.%tax. nov.
299339-2%1.6%Asteraceae%%N%Arnica%%spec.% in Rydb.%% in Rydb.%Arnica illiamnae%N. Amer. Fl.%34(4): 331%1927%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
178968-1%1.1.2.1.1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Pers.%%Pers.%Arnica incana%Syn. Pl. [Persoon]%2(2): 452%1807%%%%%%%unknown
19947-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica incana%Pittonia%4(23): 169%1900%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
178970-1%1.6%Asteraceae%%N%Arnica%%spec.%Turcz.%%Turcz.%Arnica intermedia%Bull. Soc. Imp. Naturalistes Moscou%24(1): 203%1851%%%%%%%unknown
178971-1%1.8%Asteraceae%%N%Arnica%%spec.%Howell ex Rydb.%%Howell ex Rydb.%Arnica intermedia%N. Amer. Fl.%34(4): 337, in syn.%1927%%%%%%%unknown
178972-1%1.1.2.3.1.2%Asteraceae%%N%Arnica%%spec.%Vahl%%Vahl%Arnica inuloides%Symb. Bot. (Vahl)%2: 91%1791%%%%%%%unknown
178973-1%1.2.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica japonica%Fl. Jap. (Thunberg)%319%1784%%%%%%%unknown
77307486-1%1.2%Asteraceae%%N%Arnica%%spec.%L.f.%%L.f.%Arnica japonica%Suppl. Pl.%376%1782%%%%%%%tax. nov.
927453-1%1.7%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica japonica%Syst. Veg., ed. 14 (J. A. Murray).%768%1784%nom. illeg. later homonym%%%%%Japan (Eastern Asia, Asia-Temperate)%tax. nov.
19948-2%1.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica jonesii%Fl. Rocky Mts.%979%1917%%%%%%Utah (Southwestern U.S.A., Northern America)%tax. nov.
19949-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica kodiakensis%N. Amer. Fl.%34(4): 353%1927%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
19950-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica lactucina%Ottawa Naturalist%23: 214%1910%%%%%%Alberta (Western Canada, Northern America)%tax. nov.
19951-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica laevigata%Ottawa Naturalist%15: 279%1902%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
178977-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica lanata%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
30312056-2%1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Nutt.%%Nutt.%Arnica lanceolata%Trans. Amer. Philos. Soc.%ser. 2, 7: 407%1841%%%%%%New Hampshire (Northeastern U.S.A., Northern America)%tax. nov.
1133299-2%1.3.2.1%Asteraceae%%N%Arnica%%subsp.%(Nutt.) Gruezo%(Nutt.)%Gruezo%Arnica lanceolata subsp. amplexicaulis%Asia Life Sci.%3(2): 187%1994%%incorrect comb. nov; the basionym (Arnica amplexicaulis Nuttall subsp. amplexicaulis) has priority from 1943; A. amplexifolia subsp. prima Maguire, cited in synonymy, has priority from 1942.%Asteraceae Arnica amplexicaulis Nutt.%%%%comb. nov.
60442759-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%(Maguire) Strother & S.J.Wolf%(Maguire)%Strother & S.J.Wolf%Arnica lanceolata subsp. prima%Fl. N. Amer. (1993+).%21: 373%2006%%%Asteraceae Arnica amplexifolia Rydb. subsp. prima Maguire%%%%comb. nov.
60442760-2%1.2%Asteraceae%%N%Arnica%%subsp.%(Maguire) Strother & S.J.Wolf%(Maguire)%Strother & S.J.Wolf%Arnica lanceolata subsp. prima%Novon%16(1): 138%2006%%isonym of A. lanceolata Nutt. subsp. prima (Maguire) Strother & S. J. Wolf (24 Mar 2006).%Asteraceae Arnica amplexifolia Rydb. subsp. prima Maguire%%%%comb. nov.
178979-1%1.1.2.1.1.3%Asteraceae%%N%Arnica%%spec.%Ten.%%Ten.%Arnica lanigera%Fl. Napol.%Prodr. 49%1811%%%%%%%unknown
19952-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica lanulosa%Pl. Baker. [Greene]%3: 26%1901%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
19953-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica lasiosperma%Leafl. Bot. Observ. Crit.%2: 48%1910%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
178982-1%1.3.1.2%Asteraceae%%N%Arnica%%spec.%Bong.%%Bong.%Arnica latifolia%Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math.%2: 147%1832%%%%%%%unknown
77316741-1%1.1%Asteraceae%%N%Arnica%%var.%Herder%%Herder%Arnica latifolia var. angustifolia%Bull. Soc. Imp. Naturalistes Moscou%40(no. 2): 424%1867%nom. inval. nom. nud.    Morphological description lacking [Protologue: 'hierher gehôrt das Exemplar von Merk und eines von den Cascade-Mountains']%%%%%%tax. nov.
19954-2%1.3%Asteraceae%%N%Arnica%%var.%(Rydb.) Cronquist%(Rydb.)%Cronquist%Arnica latifolia var. gracilis%Vasc. Pl. Pacif. N. W. [C.L. Hitchcock & al.]%5: 51%1955%%%%%%%tax. nov.
19955-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%L.O.Williams%%L.O.Williams%Arnica latifolia var. teucriifolia%Leafl. W. Bot.%1: 171%1935%%%%%%%tax. nov.
19956-2%1.2%Asteraceae%%N%Arnica%%var.%A.Gray%%A.Gray%Arnica latifolia var. viscidula%Syn. Fl. N. Amer.%1, pt. 2: 381%1884%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
19957-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica leptocaulis%N. Amer. Fl.%34(4): 336%1927%%%%%%British Columbia, Alaska%tax. nov.
19958-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica lessingii%Pittonia%4(23): 167%1900%%%%%%%tax. nov.
19959-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica lessingii subsp. genuina%Madroño%6: 155%1942%%%%%%%tax. nov.
19960-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%Hultén & Maguire%%Hultén & Maguire%Arnica lessingii subsp. norbergii%Madroño%6: 155%1942%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
178985-1%1.2.1.4%Asteraceae%%N%Arnica%%spec.%Wall.%%Wall.%Arnica linifolia%Numer. List [Wallich]%n. 3285%1831%%%%%%%unknown
19961-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica lonchophylla%Pittonia%4(23): 164%1900%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
19962-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Greene) Maguire%(Greene)%Maguire%Arnica lonchophylla subsp. arnoglossa%Brittonia%4: 431%1943%%%%%%%tax. nov.
19963-2%1.3%Asteraceae%%N%Arnica%%var.%(Greene) B.Boivin%(Greene)%B.Boivin%Arnica lonchophylla var. arnoglossa%Naturaliste Canad.%87: 27%1960%%%%%%%tax. nov.
19964-2%1.1.2.2%Asteraceae%%N%Arnica%%subsp.%(Fernald) Maguire%(Fernald)%Maguire%Arnica lonchophylla subsp. chionopappa%Brittonia%4: 430%1943%%%%%%%tax. nov.
20023-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica lonchophylla subsp. genuina%Brittonia%4: 430%1943%%%%%%%tax. nov.
303716-2%1.2.1.3%Asteraceae%%N%Arnica%%spec.%D.C.Eaton%%D.C.Eaton%Arnica longifolia%Botany [Fortieth Parallel]%5: 186%1871%%%%%%Cloven Mts., alt. 9000 ft., Nevada (Southwestern U.S.A., Northern America)%tax. nov.
20024-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica longifolia subsp. genuina%Brittonia%4: 468%1943%%%%%%%tax. nov.
20025-2%1.1.5.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Piper) Maguire%(Piper)%Maguire%Arnica longifolia subsp. myriadenia%Brittonia%4: 470%1943%%%%%%%tax. nov.
20026-2%1.3%Asteraceae%%N%Arnica%%spec.%Farr%%Farr%Arnica louiseana%Ottawa Naturalist%20: 109%1906%%%%%%Alberta (Western Canada, Northern America)%tax. nov.
299338-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica louiseana var. brevifolia%Madroño%6: 153%1942%%%%%%%tax. nov.
20027-2%1.1.2.1.1.3%Asteraceae%%N%Arnica%%subsp.%(E.Mey. ex Iljin) Maguire%(E.Mey. ex Iljin)%Maguire%Arnica louiseana subsp. frigida%Madroño%6: 153%1942%%%%%%%tax. nov.
20028-2%1.4%Asteraceae%%N%Arnica%%var.%(Iljin) S.L.Welsh%(Iljin)%S.L.Welsh%Arnica louiseana var. frigida%Great Basin Naturalist%28: 149%1968%%%%%%%tax. nov.
20029-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica louiseana subsp. genuina%Brittonia%4: 419%1943%%%%%%%tax. nov.
299337-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica louiseana var. genuina%Madroño%6: 153%1942%%%%%%%tax. nov.
20030-2%1.1.2.2.4.2%Asteraceae%%N%Arnica%%subsp.%(Fernald) Maguire%(Fernald)%Maguire%Arnica louiseana subsp. griscomii%Brittonia%4: 419%1943%%%%%%%tax. nov.
20031-2%1.1.2.1.1.3%Asteraceae%%N%Arnica%%var.%(Fernald) B.Boivin%(Fernald)%B.Boivin%Arnica louiseana var. griscomii%Phytologia%23: 95%1972%%%%%%%tax. nov.
299336-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica louiseana var. illiamnae%Madroño%6: 153%1942%%%%%%%tax. nov.
1182269-2%1.2%Asteraceae%%N%Arnica%%var.%(Rydb.) %(Rydb.)%(Rydb.)%Arnica louiseana var. mendenhallii%%%%%%%%%%unknown
299335-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica louiseana var. mendenhallii%Madroño%6: 153%1942%%%%%%%tax. nov.
299334-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica louiseana var. pilosa%Madroño%6: 154%1942%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
20032-2%1.2.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Holm%%Holm%Arnica lowii%Repert. Spec. Nov. Regni Veg.%3: 338%1907%%%%%%West coast of Hudson Bay, Canada%tax. nov.
20033-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica macillenta%Pittonia%4(23): 161%1900%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
20034-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica macounii%Pittonia%4(23): 160%1900%%%%%%Vancouver Island, British Columbia (Western Canada, Northern America)%tax. nov.
20035-2%1.3%Asteraceae%%N%Arnica%%var.%G.N.Jones%%G.N.Jones%Arnica macounii var. aspera%Univ. Wash. Publ. Biol.%5: 256%1936%%%%%%%tax. nov.
178992-1%1.5%Asteraceae%%N%Arnica%%spec.%Nutt.%%Nutt.%Arnica macrophylla%Trans. Amer. Philos. Soc.%ser. 2, 7: 408%1841%%%%%%%unknown
178993-1%1.8%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica maguirei%Amer. J. Bot.%21: 581%1934%%%%%%%unknown
1004802-2%1.3%Asteraceae%%N%Arnica%%spec.%Makino%%Makino%Arnica mallotopus%Bot. Mag. (Tokyo)%11: 381%1897%%[NON GCI] non A. japonica Thunb. (in J. A. Murray May-Jun 1784)%%%%%unknown
315760-2%1.3%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica maritima%Sp. Pl.%2: 884%1753%%[Gandhi 4 Jun 1998]%%%%Labrador, Canada%tax. nov.
20037-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica membranacea%N. Amer. Fl.%34(4): 338%1927%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
299333-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica mendenhallii%N. Amer. Fl.%34(4): 329%1927%%%%%%Alaska (Subarctic America, Northern America)%tax. nov.
178997-1%1.2.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Hook.%%Hook.%Arnica menziesii%Fl. Bor.-Amer. (Hooker)%1(suppl.): 331%1834%%%%%%%unknown
20038-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica merriamii%Pittonia%4(20): 36%1899%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
178999-1%1.1.2.2.1.2%Asteraceae%%N%Arnica%%spec.%Walp.%%Walp.%Arnica microphylla%Repert. Bot. Syst. (Walpers)%2(4): 652%1843%%%%%%%unknown
179000-1%1.3.1.1%Asteraceae%%N%Arnica%%spec.%Schrank%%Schrank%Arnica mollii%Prim. Fl. Salisb.%213.%1792%%%%%%%unknown
300691-2%1.4%Asteraceae%%N%Arnica%%spec.%Hook.%%Hook.%Arnica mollis%Fl. Bor.-Amer. (Hooker)%1(suppl.): 331%1834%%%%%%Alberta (Western Canada, Northern America)%tax. nov.
20039-2%1.4%Asteraceae%%N%Arnica%%var.%(Greene) B.Boivin%(Greene)%B.Boivin%Arnica mollis var. aspera%Phytologia%23: 98%1972%%%%%%%tax. nov.
20040-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Maguire%%Maguire%Arnica mollis var. mollis%Amer. Midl. Naturalist%37: 141%1947%%%%%%%tax. nov.
20041-2%1.1.2.1%Asteraceae%%N%Arnica%%var.%Fernald%%Fernald%Arnica mollis var. petiolaris%Rhodora%7: 150%1905%%%%%%Maine, New Hampshire, New York, United States of America (Northern America)%tax. nov.
20042-2%1.4%Asteraceae%%N%Arnica%%var.%(H.St.John) B.Boivin%(H.St.John)%B.Boivin%Arnica mollis var. piperi%Phytologia%23: 98%1972%%%%%%%tax. nov.
20043-2%1.2%Asteraceae%%N%Arnica%%var.%Smiley%%Smiley%Arnica mollis var. scaberrima%Univ. Calif. Publ. Bot.%9: 386%1921%%%%%%%tax. nov.
20044-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%(Greene) Maguire%(Greene)%Maguire%Arnica mollis var. silvatica%Amer. Midl. Naturalist%37: 142%1947%%%%%%%tax. nov.
20045-2%1.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica monocephala%Mem. New York Bot. Gard.%1: 435%1900%%%%%%Montana and Yellowstone Park, United States of America (Northern America)%tax. nov.
179003-1%1.2.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Hook.%%Hook.%Arnica montana%Fl. Bor.-Amer. (Hooker)%1(suppl.): 330 (pro parte)%1834%%%%%%%unknown
30090722-2%1.1.2.1.1.4%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica montana%Sp. Pl. [Linnaeus]%2: 884%1753%%%%%%%tax. nov.
60438631-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%var.%L.%%L.%Arnica montana var. alpina%Sp. Pl.%2: 884%1753%%%%%%%tax. nov.
20046-2%1.5%Asteraceae%%N%Arnica%%var.%(Vahl) Hook.%(Vahl)%Hook.%Arnica montana var. angustifolia%Fl. Bor.-Amer. (Hooker)%1(suppl.): 330%1834%%%%%%%tax. nov.
77316329-1%1.1%Asteraceae%%N%Arnica%%var.%Duby%%Duby%Arnica montana var. angustifolia%Bot. Gall.%1:  265%1828%%%%%%France (Southwestern Europe, Europe)%tax. nov.
77125378-1%1.1%Asteraceae%%N%Arnica%%subsp.%A.Bolòs%%A.Bolòs%Arnica montana subsp. atlantica%Agron. Lusit.%10: 113%1948%%%%%%%tax. nov.
77125380-1%1.1%Asteraceae%%N%Arnica%%var.%(A.Bolòs) B.Bock%(A.Bolòs)%B.Bock%Arnica montana var. atlantica%Bull. Soc. Bot. Centre-Ouest%43: 209%2012%%%Asteraceae Arnica montana L. subsp. atlantica A.Bolòs%%%%comb. nov.
20047-2%1.4%Asteraceae%%N%Arnica%%var.%(Pursh) Nutt.%(Pursh)%Nutt.%Arnica montana var. fulgens%Gen. N. Amer. Pl. [Nuttall].%2: 164%1818%%%%%%%tax. nov.
20048-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica multiflora%Pittonia%4(23): 162%1900%%%%%%Idaho, Montana and Washington, United States of America (Northern America)%tax. nov.
20049-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Piper%%Piper%Arnica myriadenia%Proc. Biol. Soc. Washington%33: 106%1920%%%%%%Washington (Northwestern U.S.A., Northern America)%tax. nov.
179006-1%1.5%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica nevadensis%Proc. Amer. Acad. Arts%19: 55%1883%%%%%%%unknown
179007-1%1.2.1.4%Asteraceae%%N%Arnica%%spec.%Wall.%%Wall.%Arnica nivea%Numer. List [Wallich]%n. 3143%1831%%%%%%%unknown
179009-1%1.4%Asteraceae%%N%Arnica%%spec.%Elliott%%Elliott%Arnica nudicaulis%Sketch Bot. S. Carolina [Elliott]%2: 333%1823%%%%%%%unknown
20050-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica nutans%N. Amer. Fl.%34(4): 328%1927%%%%%%Alaska, Siberia, probably Yukon Territory%tax. nov.
179011-1%1.7%Asteraceae%%N%Arnica%%spec.%Less.%%Less.%Arnica obtusifolia%Linnaea%6(2): 236%1831%%%%%%%unknown
179012-1%1.1.2.1.1.2.2.1.1.3%Asteraceae%%N%Arnica%%spec.%Wall. ex DC.%%Wall. ex DC.%Arnica obtusifolia%Prodr. [A. P. de Candolle]%6: 314%1838%%%%%%%unknown
20051-2%1.2%Asteraceae%%N%Arnica%%var.%Raup%%Raup%Arnica obtusifolia var. acuta%Contr. Arnold Arbor.%6: 213, pl. 8, fig. 1%1934%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
20052-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica ocreata%Bot. Gaz.%30: 201%1900%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
20053-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica oligolepis%N. Amer. Fl.%34(4): 336%1927%%%%%%British Columbia, Alaska%tax. nov.
179015-1%1.2.2.2%Asteraceae%%N%Arnica%%spec.%A.Lesson & A.Rich.%%A.Lesson & A.Rich.%Arnica operina%Voy. Astrolabe%1: 232%1832%%A. Lesson & A. Richard did not publish this name; they used Arnica ? operina Forst. (1786).%%%%%tax. nov.
179016-1%1.4%Asteraceae%%N%Arnica%%spec.%G.Forst.%%G.Forst.%Arnica oporina%Fl. Ins. Austr.%56%1786%%%%%%%unknown
20054-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica ovalifolia%Pittonia%4(23): 168%1900%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
20055-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica ovalis%N. Amer. Fl.%34(4): 338%1927%%%%%%Alberta to Washington%tax. nov.
20056-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica ovata%Pittonia%4(23): 161%1900%%%%%%Utah (Southwestern U.S.A., Northern America)%tax. nov.
179020-1%1.2.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica palmata%Fl. Jap. (Thunberg)%319%1784%%%%%%%unknown
927454-1%1.7%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica palmata%Syst. Veg., ed. 14 (J. A. Murray).%768%1784%nom. illeg. nom. superfl.%Note from Phytotaxa 570(2): 220 (2022): 'When publishing Arnica palmata, Murray (1784) included A. japonica as a synonym, making A. palmata a superfluous name.'%%%%Japan (Eastern Asia, Asia-Temperate)%tax. nov.
20057-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica paniculata%New Man. Bot. Centr. Rocky Mt.%572%1909%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
303234-2%1.3%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica parryi%Amer. Naturalist%8: 213%1874%%%%%%From the headwaters of Clear Creek, and the alpine ridges¹lying east of Middle Park, Colorado Territory, Colorado (Northwestern U.S.A., Northern America)%tax. nov.
20058-2%1.2%Asteraceae%%N%Arnica%%var.%Osterh.%%Osterh.%Arnica parryi var. crinita%Muhlenbergia%6: 47%1910%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
20059-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica parryi subsp. genuina%Brittonia%4: 481%1943%%%%%%%tax. nov.
20060-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Greene) Maguire%(Greene)%Maguire%Arnica parryi subsp. sonnei%Brittonia%4: 482%1943%%%%%%%tax. nov.
20061-2%1.4%Asteraceae%%N%Arnica%%var.%(Greene) Cronquist in Ferris%(Greene)%Cronquist in Ferris%Arnica parryi var. sonnei%Contr. Dudley Herb.%5: 102%1958%%%%%%%tax. nov.
179023-1%1.5%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica parviflora%Proc. Amer. Acad. Arts%7: 363%1868%%%%%%%unknown
20064-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica parviflora%Pl. Baker. [Greene]%3: 28%1901%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
20062-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica parviflora subsp. alata%Brittonia%4: 455%1943%%%%%%%tax. nov.
20063-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica parviflora subsp. genuina%Brittonia%4: 454%1943%%%%%%%tax. nov.
179024-1%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica parvifolia%Pl. Baker. [Greene]%iii. 28.%1901%%%%%%%unknown
179025-1%1.5%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica parvifolia%Leafl. Bot. Observ. Crit.%2(2): 48%1910%%%%%%%unknown
20065-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica paucibracteata%N. Amer. Fl.%34(4): 336%1927%%%%%%Western United States, United States of America (Northern America)%tax. nov.
20066-2%1.4%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica pedunculata%Bull. Torrey Bot. Club%24(6): 297%1897%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
20067-2%1.2%Asteraceae%%N%Arnica%%f.%Cockerell%%Cockerell%Arnica pedunculata f. monocephala%Torreya%18: 183%1918%%%%%%%tax. nov.
20068-2%1.2%Asteraceae%%N%Arnica%%var.%Lunell%%Lunell%Arnica pedunculata var. monocephala%Amer. Midl. Naturalist%5: 241%1919%%%%%%%tax. nov.
20069-2%1.2%Asteraceae%%N%Arnica%%var.%Cockerell%%Cockerell%Arnica pedunculata var. tubularis%J. Heredity%7: 428%1916%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
1152759-2%1.3.2.1.1.1%Asteraceae%%N%Arnica%%spec.%(Lam.) Pers.%(Lam.)%Pers.%Arnica peruviana%Syn. Pl. [Persoon]%2(2): 454%1807%%%Asteraceae Doronicum peruvianum Lam.%%%%comb. nov.
20070-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica petiolaris%N. Amer. Fl.%34(4): 352%1927%%%%%%%tax. nov.
179030-1%1.1.2.2.1.3%Asteraceae%%N%Arnica%%spec.%Schur%%Schur%Arnica petiolata%Enum. Pl. Transsilv.%342.%1866%%%%%%%tax. nov.
179031-1%1.1.2.1.1.1.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Burm. ex DC.%%Burm. ex DC.%Arnica pilosella%Prodr. [A. P. de Candolle]%7(1): 17%1838%%%%%%%unknown
179032-1%1.4%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica piloselloides%Pl. Rar. Afr.%22%1760%%%%%%%unknown
20071-2%1.5%Asteraceae%%N%Arnica%%spec.%Pursh%%Pursh%Arnica plantaginea%Fl. Amer. Sept. (Pursh)%2: 527%1813%%%%%%Labrador, Newfoundland & Labrador (Canada)%tax. nov.
179034-1%1.5%Asteraceae%%N%Arnica%%spec.%Gilib.%%Gilib.%Arnica plantaginisfolia%Fl. Lit. Inch.%1: 210%1782%nom. inval.    opus utique oppressum (App. VI of Vienna Code, 2006)%%%%%%tax. nov.
20072-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica platyphylla%Bot. Gaz.%31: 407%1901%%%%%%Rocky Mts%tax. nov.
20073-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica polycephala%Bot. Gaz.%30: 202%1900%%%%%%Yellowstone Park, United States of America (Northern America)%tax. nov.
20074-2%1.2%Asteraceae%%N%Arnica%%spec.%B.Boivin%%B.Boivin%Arnica porsildiorum%Naturaliste Canad.%75: 210%1948%%%%%%Kamtchatka, Aleutian Isl., Alaska, Yukon & Northwest Terr%tax. nov.
20075-2%1.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica puberula%Fl. Rocky Mts.%979%1917%%%%%%Alberta to Wyoming and British Colombia, United States of America (Northern America)%tax. nov.
20076-2%1.1.2.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica pulchella%Rhodora%17: 18%1915%%%%%%Newfoundland, Newfoundland & Labrador (Canada)%tax. nov.
20077-2%1.2%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica pumila%Mem. New York Bot. Gard.%1: 433%1900%%%%%%Montana, Utah & Colorado, United States of America (Northern America)%tax. nov.
179040-1%1.1.2.1.1.1.2.1.1.3%Asteraceae%%N%Arnica%%spec.%Pers.%%Pers.%Arnica pyrolifolia%Syn. Pl. [Persoon]%2(2): 454%1807%%%%%%%unknown
20078-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica rhizomata%Bot. Gaz.%31: 409%1901%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
20079-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica rivularis%Pittonia%4(23): 163%1900%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
179043-1%1.1.5.1.1.2%Asteraceae%%N%Arnica%%spec.%Willd.%%Willd.%Arnica rotundifolia%Sp. Pl., ed. 4 [Willdenow]%3(3): 2110%1803%%%%%%%unknown
20080-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica rubricaulis%Ottawa Naturalist%23: 213%1910%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
20081-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica rydbergii%Pittonia%4(20): 36%1899%%%%%%Montana (Northwestern U.S.A., Northern America)%tax. nov.
179046-1%1.5%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica sachalinensis%Proc. Amer. Acad. Arts%19: 55%1883%%%%%%%unknown
179047-1%1.7%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica sancti-laurentii%N. Amer. Fl.%34(4): 328%1927%%%%%%%unknown
20082-2%1.5%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica sanhedrensis%N. Amer. Fl.%34(4): 342%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
20083-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica scaberrima%Pittonia%4(23): 165%1900%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
179050-1%1.4%Asteraceae%%N%Arnica%%spec.%Adams ex Ledeb.%%Adams ex Ledeb.%Arnica scorpioides%Fl. Ross. (Ledeb.)%2(2,6): 632%1845%%%%%%%unknown
179051-1%1.4%Asteraceae%%N%Arnica%%spec.%Jacq.%%Jacq.%Arnica scorpioides%Fl. Austriac. (Jacquin)%4: 26, t. 349%1776%%%%%%%unknown
329171-2%1.4%Asteraceae%%N%Arnica%%spec.%L.%%L.%Arnica scorpioides%Sp. Pl.%2: 884%1753%%[NON GCI] sine collector%%%%in Helvetia%tax. nov.
179053-1%1.5%Asteraceae%%N%Arnica%%spec.%Fenzl ex Boiss.%%Fenzl ex Boiss.%Arnica senecionoides%Fl. Orient. [Boissier]%3: 396%1875%%%%%%%unknown
179054-1%1.5%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica serrata%Fl. Cap. (Thunberg, ed. 2)%669%1823%%%%%%%unknown
20084-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica silvatica%Pl. Baker. [Greene]%3: 27%1901%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
179056-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica sinuata%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
20085-2%1.3%Asteraceae%%N%Arnica%%spec.%Raup%%Raup%Arnica snyderi%Sargentia%6: 250, fig. 16%1947%%%%%%District of Mackenzie, Northwest Territories (Subarctic America, Northern America)%tax. nov.
20086-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica sonnei%Pittonia%3(15): 104%1896%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
20087-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica sornborgeri%Rhodora%7: 147%1905%%%%%%Labrador, Newfoundland & Labrador (Canada)%tax. nov.
20088-2%1.3%Asteraceae%%N%Arnica%%var.%B.Boivin%%B.Boivin%Arnica sornborgeri var. ungavensis%Naturaliste Canad.%75: 211%1948%%%%%%Quebec (Canada)%tax. nov.
20089-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica sororia%Ottawa Naturalist%23: 213%1910%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
20090-2%1.3%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica spathulata%Pittonia%3(15): 103%1896%%%%%%Oregon (Northwestern U.S.A., Northern America)%tax. nov.
20091-2%1.1.2.1.1.4%Asteraceae%%N%Arnica%%var.%(Rydb.) Ediger & T.M.Barkley%(Rydb.)%Ediger & T.M.Barkley%Arnica spathulata var. eastwoodiae%N. Amer. Fl.%ser. 2, 10: 43%1978%%%%%%%comb. et stat. nov.
20092-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%subsp.%(Rydb.) Maguire%(Rydb.)%Maguire%Arnica spathulata subsp. eastwoodiae%Brittonia%4: 458%1943%%%%%%%tax. nov.
20093-2%1.1.2.1%Asteraceae%%N%Arnica%%subsp.%Maguire%%Maguire%Arnica spathulata subsp. genuina%Brittonia%4: 457%1943%%%%%%%tax. nov.
179062-1%1.3.2.1.1.2%Asteraceae%%N%Arnica%%spec.%Pers.%%Pers.%Arnica spinulosa%Syn. Pl. [Persoon]%2(2): 452%1807%%%%%%%unknown
20094-2%1.2%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica stricta%Ottawa Naturalist%23: 214%1910%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
20095-2%1.2%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica stricta%Bot. Gaz.%31: 407%1901%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
179065-1%1.4%Asteraceae%%N%Arnica%%spec.%Vill.%%Vill.%Arnica styriaca%Prosp. Hist. Pl. Dauphiné%32%1779%%%%%%%unknown
20096-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica subcordata%Pittonia%4(23): 173%1900%%%%%%Alberta (Western Canada, Northern America)%tax. nov.
20097-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica subplumosa%Pittonia%3(15): 104%1896%%%%%%Colorado (Northwestern U.S.A., Northern America)%tax. nov.
20098-2%1.2%Asteraceae%%N%Arnica%%var.%A.Nelson%%A.Nelson%Arnica subplumosa var. macillenta%New Man. Bot. Centr. Rocky Mt.%573%1909%%%%%%%tax. nov.
1047502-2%1.3%Asteraceae%%N%Arnica%%var.%(Greene) A.Nelson%(Greene)%A.Nelson%Arnica subplumosa var. silvatica%%%%%%%%%%unknown
20099-2%1.2%Asteraceae%%N%Arnica%%var.%A.Nelson%%A.Nelson%Arnica subplumosa var. sylvatica%New Man. Bot. Centr. Rocky Mt.%573%1909%%%%%%%tax. nov.
20100-2%1.6%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica sulcata%N. Amer. Fl.%34(4): 344%1927%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
179069-1%1.5.1.1%Asteraceae%%N%Arnica%%spec.%Thunb.%%Thunb.%Arnica tabularis%Prodr. Pl. Cap.%2: 154%1800%%%%%%%unknown
20101-2%1.4%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica tenuis%Bull. Torrey Bot. Club%28: 20%1901%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
20102-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica terrae-novae%Rhodora%27: 90%1925%%%%%%Newfoundland, Newfoundland & Labrador (Canada)%tax. nov.
20103-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica teucriifolia%Pittonia%4(23): 164%1900%%%%%%Idaho (Northwestern U.S.A., Northern America)%tax. nov.
20104-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica tomentella%Pittonia%4(23): 166%1900%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
179074-1%1.4.1.1%Asteraceae%%N%Arnica%%spec.%J.M.Macoun%%J.M.Macoun%Arnica tomentosa%Ottawa Naturalist%1899: 166%1899%%%%%%%unknown
20105-2%1.4%Asteraceae%%N%Arnica%%spec.%J.M.Macoun%%J.M.Macoun%Arnica tomentosa%Ottawa Naturalist%13: 166 (-167)%1899%%%%%%Canada%tax. nov.
20106-2%1.4%Asteraceae%%N%Arnica%%spec.%J.M.Macoun ex Greene%%J.M.Macoun ex Greene%Arnica tomentosa%Pittonia%4(23): 168%1900%%%%%%British Columbia (Western Canada, Northern America)%tax. nov.
20107-2%1.4%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica tomentulosa%Bull. Torrey Bot. Club%28: 20%1901%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
20108-2%1.3%Asteraceae%%N%Arnica%%spec.%A.Nelson%%A.Nelson%Arnica trina%Amer. J. Bot.%21: 581%1934%%%%%%Without Latin diagnosis, Montana (Northwestern U.S.A., Northern America)%tax. nov.
20109-2%1.6%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica trinervata%N. Amer. Fl.%34(4): 344%1927%%%%%%%tax. nov.
20110-2%1.3%Asteraceae%%N%Arnica%%spec.%Iljin%%Iljin%Arnica tschonoskyi%Trudy Bot. Muz.%19: 119%1926%%%%%%[Aleutian Islands] & Japan%tax. nov.
179079-1%1.4%Asteraceae%%N%Arnica%%spec.%Burm.f.%%Burm.f.%Arnica tussilaginea%Fl. Ind. (N. L. Burman)%182%1768%%%%%%%unknown
77180857-1%1.2%Asteraceae%%N%Arnica%%var.%(Iljin) Kitam. & Hara%(Iljin)%Kitam. & Hara%Arnica unalascensis var. tschonoskyi%Bot. Mag. (Tokyo)%52: 3%1938%%%%%%%comb. nov.
179080-1%1.8%Asteraceae%%N%Arnica%%spec.%Less.%%Less.%Arnica unalaschcensis%Linnaea%6(2): 238%1831%%%%%%%tax. nov.
20111-2%1.5%Asteraceae%%N%Arnica%%var.%(Iljin) Kitam. & H.Hara%(Iljin)%Kitam. & H.Hara%Arnica unalaschcensis var. tschonoskyi%Bot. Mag. (Tokyo)%52: 3%1938%%%%%%%tax. nov.
20112-2%1.3%Asteraceae%%N%Arnica%%spec.%H.M.Hall%%H.M.Hall%Arnica venosa%Univ. Calif. Publ. Bot.%6: 174%1915%%%%%%California (Southwestern U.S.A., Northern America)%tax. nov.
20113-2%1.4%Asteraceae%%N%Arnica%%spec.%Greene%%Greene%Arnica ventorum%Pittonia%4(23): 173%1900%%%%%%Wyoming (Northwestern U.S.A., Northern America)%tax. nov.
179083-1%1.5%Asteraceae%%N%Arnica%%spec.%A.Gray%%A.Gray%Arnica viscosa%Proc. Amer. Acad. Arts%13: 374%1878%%%%%%%unknown
20114-2%1.1.2.1.1.1%Asteraceae%%N%Arnica%%spec.%Fernald%%Fernald%Arnica whitneyi%Rhodora%37: 334, tab. 379, figs. 1-5%1935%%%%%%Michigan (Northeastern U.S.A., Northern America)%tax. nov.
20115-2%1.6%Asteraceae%%N%Arnica%%spec.%Rydb.%%Rydb.%Arnica wilsonii%N. Amer. Fl.%34(4): 332%1927%%%%%%Ontario (Eastern Canada, Northern America)%tax. nov.
179086-1%1.4%Asteraceae%%N%Arnica%%spec.%Pollini%%Pollini%Arnica wulfeniana%Giorn. Fis. Chim. Storia Nat. Med. Arti%Dec. 2, 9: 185%1826%%%%%%%unknown