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399.0000 Family Montiaceae Raf.; Ann. Gén. Sci. Phys. 5: 349 (1820)
16 genera, ca. 250 spp. Systematics following Hershkovitz (2019)
Species listed in database: 273
= Hectorellaceae Philipson & Skipw.; Trans. Roy. Soc. New Zealand, Bot. 1: 31 (1961)
399.0503 Genus Lewisia Pursh; Fl. Amer. Sept. [Pursh] 368 (1814)
Distribution: W-North America to N-Mexico
Species listed in database: 19
= Erocallis Rydb.; Bull. Torrey Bot. Club 33: 139 (1906)
= Oreobroma Howell; Erythea 1: 31 (1893)
species :
Lewisia brachycalyx Engelm. ex A.Gray; Proc. Amer. Acad. Arts 7: 400 (1868)
Name: Shortsepal lewisia
Distribution: USA (New Mexico, Arizona, California, Utah); Mexico (Baja California Norte)
76 USA 77 USA 79 MEX
Synonyms: hidden
= Oreobroma brachycalyx (Engelm. ex A.Gray) Howell; Erythea 1: 31 (1893)
species :
Lewisia cantelovii Howell; Leafl. W. Bot. 3: 139 (1942)
Name: Cantelow´s lewisia
Distribution: USA (California, Nevada)
76 USA
variant :
var. serrata (Heckard & Stebbins) Hogan & Hershk.; (2001)
Name: Sawtooth lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia serrata Heckard & Stebbins; Brittonia 26(3): 305 (1974)
species :
Lewisia columbiana (Howell ex A.Gray) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 269 (1897)
Name: Columbian lewisia
Distribution: Canada (British Columbia); USA (California, Idaho, Oregon, Washington State)
71 CDN 73 USA 76 USA
Synonyms: hidden
= Calandrinia columbiana Howell ex A.Gray; Proc. Amer. Acad. Arts 22: 277 (1887)
= Oreobroma columbianum (Howell ex A.Gray) Howell; Erythea 1: 32 (1893)
variant :
var. rupicola (English) C.L.Hitchc.; Vasc. Pl. Pacif. N. W. [C.L.Hitchcock et al.] 2: 232 (1964)
Distribution: Canada (British Columbia); USA (Oregon, Washington)
71 CDN 73 USA
Synonyms: hidden
= Lewisia columbiana subsp. rupicola (English) Ferris; Ill. Fl. Pacific States 2: 134 (1944)
= Lewisia rupicola English; Proc. Biol. Soc. Washington 47: 190 (1934)
variant :
var. wallowensis C.L.Hitchc.; Vasc. Pl. Pacif. N. W. [C.L.Hitchcock et al.] 2: 232, fig. s. n. (1964)
Name: Wallowa lewisia
Distribution: USA (Idaho, Montana, Oregon, Washington)
73 USA
Synonyms: hidden
= Lewisia columbiana subsp. wallowensis (C.L.Hitchc.) J.E.Hohn ex B.Mathew; Genus Lewisia 101 (1989)
species :
Lewisia congdonii (Rydb.) S.Clay; Present-Day Rock Gard. 20: 340 (1937)
Name: Congdon´s lewisia
Distribution: USA (N-California)
76 USA
Synonyms: hidden
= Calandrinia congdonii (Rydb.) Pax & K.Hoffm.; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 16c: 251 (1934)
= Lewisia columbiana subsp. congdonii (Rydb.) Ferris; Ill. Fl. Pacific States 2: 134 (1944)
= Oreobroma congdonii Rydb.; N. Amer. Fl. 21: 322 (1932)
species :
Lewisia cotyledon (S.Watson) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 268 (1897)
Name: Siskiyou lewisia
Distribution: USA (California, Oregon)
73 USA 76 USA
Synonyms: hidden
= Calandrinia cotyledon S.Watson; Proc. Amer. Acad. Arts 20: 355 (1885)
= Lewisia cotyledon var. purdyi Jeps.; Fl. Calif. [Jepson] 1: 479 (1914)
= Lewisia finchae Purdy; Leafl. W. Bot. 1: 20 (1932)
= Lewisia purdyi (Jeps.) Gabrielson; West. Amer. Alp. 143, 144 (1932), in obs.
= Oreobroma cotyledon (S.Watson) Howell; Erythea 1: 32 (1893)
variant :
var. heckneri (C.V.Morton) Munz; Aliso 4: 90 (1958)
Name: Heckner´s lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia cotyledon subsp. heckneri (C.V.Morton) Hochstätter; Cact.-Advent. Int. (Almeria) 36: 22 (2024)
= Lewisia heckneri (C.V.Morton) Gabrielson; New Fl. & Silva 5: 53 (1932), isonym
= Lewisia heckneri (C.V.Morton) J.T.Howell; Leafl. W. Bot. 3: 139 (1942)
= Lewisia heckneri (C.V.Morton) R.B.Sm.; Gard. Chron., Ser. 3, 90: 131 (1931), isonym
= Oreobroma heckneri C.V.Morton; Proc. Biol. Soc. Washington 44: 9 (1931)
variant :
var. howellii (S.Watson) Jeps.; Fl. Calif. [Jepson] 1: 479 (1915)
Name: Howell´s lewisia
Distribution: USA (California, Oregon)
73 USA 76 USA
Synonyms: hidden
= Calandrinia howellii S.Watson; Proc. Amer. Acad. Arts 23: 262 (1888)
= Lewisia cotyledon subsp. howellii (S.Watson) Hochstätter; Cact.-Advent. Int. (Almeria) 36: 22 (2024)
= Lewisia howellii (S.Watson) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 268 (1897)
= Oreobroma howellii (S.Watson) Howell; Erythea 1: 32 (1893)
species :
Lewisia disepala Rydb.; N. Amer. Fl. 21: 328 (1932)
Name: Yosemite lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia rediviva var. yosemitana K.Brandegee; Proc. Calif. Acad. Sci., Ser. 2, 4: 89 (1894) (not L. yosemitana Jeps. 1923)
species :
Lewisia glandulosa (Rydb.) Clay; Present-Day Rock Gard. 20: 341 (1937)
Name: Sierra lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia glandulosa (Rydb.) Dempster; Phytologia 68(3): 170 (1990)
= Oreobroma glandulosum Rydb.; N. Amer. Fl. 21: 325 (1932)
species :
Lewisia kelloggii K.Brandegee; Proc. Calif. Acad. Sci., Ser. 2, 4: 88, t. 4 (1894)
subspecies :
subsp. kelloggii
Name: Kellogg´s lewisia
Distribution: USA (California, Idaho)
73 USA 76 USA
Synonyms: hidden
= Oreobroma kelloggii (K.Brandegee) Rydb.; N. Amer. Fl. 21: 326 (1932)
subspecies :
subsp. hutchisonii Dempster; Madroño 43(3): 415 (1996)
Distribution: USA (California)
76 USA
subspecies :
subsp. yosemitana (Jeps.) D.W.Taylor; Fl. Yosemite Sierra 373 (2010)
Name: Quill-leaf lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia yosemitana Jeps.; Man. Fl. Pl. Calif. [Jepson] 352 (1923)
= Oreobroma yosemitanum (Jeps.) Rydb.; N. Amer. Fl. 21(4): 326 (1932)
species :
Lewisia leeana (Porter) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 269 (1897) (leana)
Distribution: USA (California, Oregon)
73 USA 76 USA
Remarks: possibly a synonym of L. kelloggii ssp. yosemitana
Synonyms: hidden
= Calandrinia leeana Porter; Bot. Bull. (Hanover) 1: 49 (1876)
= Lewisia eastwoodiana Purdy; Leafl. W. Bot. 1: 20 (1932)
= Oreobroma leeanum (Porter) Howell; Erythea 1: 31 (1893)
species :
Lewisia longipetala (Piper) Clay; Present-Day Rock Gard. 20: 341 (1937)
Name: Truckee lewisia
Distribution: USA (California)
76 USA
Synonyms: hidden
= Calandrinia longipetala (Piper) Pax & K.Hoffm.; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 16c: 251 (1934)
= Lewisia pygmaea subsp. longipetala (Piper) Ferris; Ill. Fl. Pacific States 2: 134 (1944)
= Oreobroma longipetala Piper; Contr. U.S. Natl. Herb. 16: 207 (1913)
species :
Lewisia maguirei A.H.Holmgren; Leafl. W. Bot. 7: 136 (1954)
Name: Maguire´s lewisia
Distribution: USA (Nevada)
76 USA
Synonyms: hidden
= Lewisia rediviva subsp. maguirei Dortort; Cact. Succ. J. (Los Angeles) 77(1): 19 (2005), nom. inval.
species :
Lewisia nevadensis (A.Gray) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 268 (1897)
Name: Nevada lewisia
Distribution: USA (Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, Washington)
73 USA 76 USA 77 USA
Synonyms: hidden
= Calandrinia nevadensis A.Gray; Proc. Amer. Acad. Arts 8: 623 (1873)
= Claytonia grayana Kuntze; Revis. Gen. Pl. 1: 57 (1891)
= Lewisia bernardina Davidson; Bull. S. Calif. Acad. Sci. 20: 51 (1921)
= Lewisia pygmaea var. nevadensis (A.Gray) Fosberg; Amer. Midl. Naturalist 27: 256 (1942)
= Oreobroma bernardinum (Davidson) Rydb.; N. Amer. Fl. 21: 325 (1932)
= Oreobroma nevadense (A.Gray) Howell; Erythea 1: 33 (1893)
species :
Lewisia oppositifolia (S.Watson) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 268 (1897)
Name: Oppositeleaf lewisia
Distribution: USA (California, Oregon)
73 USA 76 USA
Synonyms: hidden
= Calandrinia oppositifolia S.Watson; Proc. Amer. Acad. Arts 20: 355 (1885)
= Oreobroma oppositifolium (S.Watson) Howell; Erythea 1: 32 (1893)
species :
Lewisia pygmaea (A.Gray) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 268 (1897)
Name: Alpine lewisia
Distribution: Canada (Alberta, British Columbia, Yukon); USA (Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington State, Wyoming)
70 CDN 71 CDN 73 USA 76 USA 77 USA
Synonyms: hidden
= Calandrinia grayi (F.Muell.) Britton; Bull. Torrey Bot. Club 17: 312 (1890)
= Calandrinia pygmaea (A.Gray) A.Gray; Proc. Amer. Acad. Arts 8: 623 (1873) (non F. Muell. 1859)
= Claytonia grayi F.Muell.; Fragm. [Mueller] 11: 83 (1880) (nom. nov.)
= Claytonia parva Kuntze; Revis. Gen. Pl. 1: 57 (1891), nom. superfl.
= Lewisia aridorum (A.Heller) S.Clay; Present-Day Rock Gard. 340 (1937)
= Lewisia exarticulata H.St.John; Res. Stud. State Coll. Wash. 1: 59 (1929)
= Lewisia glandulosa (Rydb.) S.Clay; Present-Day Rock Gard. 341 (1937)
= Lewisia minima (A.Nelson) A.Nelson; New Man. Bot. Centr. Rocky Mt. 179 (1909)
= Lewisia pygmaea subsp. glandulosa (Rydb.) Ferris; Ill. Fl. Pacific States 2: 134 (1944)
= Lewisia pygmaea var. aridorum Bartlett; Bot. Gaz. 44: 303 (1907)
= Lewisia pygmaea var. pygmaea Fosberg; Amer. Midl. Naturalist 27: 256 (1942), nom. inval.
= Oreobroma aridorum (Bartlett) A.Heller; Muhlenbergia 6: 83 (1910)
= Oreobroma exarticulatum (H.St.John) Rydb.; N. Amer. Fl. 21(4): 324 (1932)
= Oreobroma grayi (Britton) Rydb.; Mem. New York Bot. Gard. 1: 137 (1900), nom. superfl.
= Oreobroma minimum A.Nelson; Bull. Torrey Bot. Club 27: 260 (1900)
= Oreobroma pygmaeum (A.Gray) Howell; Erythea 1: 32 (1893)
= Talinum pygmaeum A.Gray; Amer. J. Sci. Arts, Ser. 2, 33: 407 (1862)
variant :
var. sierrae (Ferris) D.W.Taylor; Fl. Yosemite Sierra 373 (2010)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Lewisia sierrae Ferris; Ill. Fl. Pacific States 2: 134 (1944)
species :
Lewisia rediviva Pursh; Fl. Amer. Sept. [Pursh] 2: 368 (1814)
Name: Bitterroot
Distribution: Canada (Alberta, British Columbia); USA (Arizona, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington State, Wyoming)
71 CDN 73 USA 76 USA
Synonyms: hidden
= Lewisia alba Kellogg; Proc. Calif. Acad. Sci. 2: 115 (1863)
variant :
var. minor (Rydb.) Munz; Man. S. Calif. Bot. [Munz] 598 (1935)
Distribution: USA (California, Nevada, Utah)
76 USA
Synonyms: hidden
= Lewisia rediviva subsp. minor (Rydb.) A.H.Holmgren; Leafl. W. Bot. 7(6): 136 (1954)
= Lewisia minor Rydb.; N. Amer. Fl. 21: 327 (1932)
species :
Lewisia sacajaweana B.L.Wilson; W. N. Amer. Naturalist 65(3): 353 (2005)
Distribution: USA (Idaho)
73 USA
species :
Lewisia stebbinsii Gankin & W.R.Hildreth; Four Seasons 2(4): 13 (1968)
Name: Stebbins´ lewisia
Distribution: USA (California)
76 USA
species :
Lewisia taylorii J.O´Brien, Guilliams, S.A.Puentes & Lindstrand; Madroño 71(3): 136 (2024)
Distribution: USA (California)
76 USA
species :
Lewisia triphylla (S.Watson) B.L.Rob.; Syn. Fl. N. Amer. 1(1): 269 (1897)
Name: Threeleaf lewisia
Distribution: Canada (British Columbia); USA (California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington State, Wyoming)
71 CDN 73 USA 76 USA
Synonyms: hidden
= Claytonia triphylla S.Watson; Proc. Amer. Acad. Arts 10: 345 (1875)
= Erocallis triphylla (S.Watson) Rydb.; Bull. Torrey Bot. Club 33: 140 (1906)
= Oreobroma triphyllum (S.Watson) Howell; Erythea 1: 33 (1893)
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A complete, synonymic checklist of the Higher Plants of the World


Version 25.06 (June 9th, 2025)

Covering 356,641 accepted species,
8,788 hybrids, 48,065 accepted infraspecific taxa and 1,003,237 synonyms,
in total 1,416,731* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life