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206.0000 Family Crassulaceae J.St.-Hil.; Expos. Fam. Nat. 2: 123 (1805), nom. cons.
Latest phylogeny: Messerschmid et al. (2020)
Species listed in database: 1725; hybrids: 177
= Cotyledonaceae Martinov; Tekhno-Bot. Slovar 168 (1820)
= Rhodiolaceae Martinov; Tekhno-Bot. Slovar 546 (1820)
= Sedaceae Roussel; Fl. Calvados, ed. 2: 291 (1806)
= Sempervivaceae Juss.; Gen. Pl. [Jussieu] 207 (1789)
= Tillaeaceae Martinov; Tekhno-Bot. Slovar 635 (1820)
206.3410 Genus Villadia Rose; Bull. New York Bot. Gard. 52: 3 (1903)
Distribution: Tropical and subtropical America from Texas to Peru. The genus remains polyphyletic.
Species listed in database: 29
species :
Villadia acuta Moran & C.H.Uhl; Cact. Succ. J. (Los Angeles) 63(4): 200 (1991)
Distribution: Mexico (Queretaro, San Luis Potosí)
79 MEX
species :
Villadia albiflora (Hemsl.) Rose; N. Amer. Fl. [Britton et al., eds.] 22: 30 (1905)
Distribution: Mexico (Chiapas, Oaxaca, Puebla, México State, Tlaxcala, Veracruz)
79 MEX
Synonyms: hidden
= Altamiranoa albiflora (Hemsl.) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Altamiranoa ramosissima (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon albiflora Hemsl.; Diagn. Pl. Iber. 9 (1878)
= Villadia ramosissima Rose; Bull. New York Bot. Gard. 3: 5 (1903)
species :
Villadia aperta Moran & C.H.Uhl; Cact. Suc. Mex. 37(2): 32 (1992)
Distribution: Mexico (Durango)
79 MEX
species :
Villadia aristata Moran; Cact. Succ. J. (Los Angeles) 62(4): 180 (1990)
Distribution: Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas)
79 MEX
species :
Villadia aureistella Pino & Cieza; Haseltonia 15: 19 (-20, figs. 51-56) (2009)
Distribution: Peru (Cajamarca)
83 PER
species :
Villadia berillonana (Raym.-Hamet) Baehni & J.F.Macbr.; Candollea 7: 285 (1937)
Distribution: Peru
83 PER
Synonyms: hidden
= Altamiranoa berillonana (Raym.-Hamet) A.Berger; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 18a: 470 (1930)
= Sedum berillonanum Raym.-Hamet; Bot. Jahrb. Syst. 50(Beibl. 112): 9 (1913)
species :
Villadia cucullata Rose; Bull. New York Bot. Gard. 3: 4 (1903)
subspecies :
subsp. cucullata
Distribution: Mexico (Coahuila, Nuevo León, San Luis Potosí, Veracruz, Zacatecas)
79 MEX
Synonyms: hidden
= Altamiranoa cucullata (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon cucullata (Rose) Fedde; Just´s Bot. Jahresber. 31(1): 829 (1904)
= Villadia jimulcensis G.L.Nesom; Sida 13(1): 21 (1988)
subspecies :
subsp. apiculata Moran & C.H.Uhl; Cact. Succ. J. (Los Angeles) 70(4): 202 (1998)
Distribution: Mexico (San Luis Potosí, Hidalgo, Nuevo León, Tamaulipas)
79 MEX
species :
Villadia diffusa Rose; Contr. U.S. Natl. Herb. 13: 302 (1911)
Distribution: Mexico (Chiapas)
79 MEX
Synonyms: hidden
= Altamiranoa diffusa (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
species :
Villadia dyvrandae (Raym.-Hamet) Baehni & J.F.Macbr.; Candollea 7: 286 (1937)
Distribution: Peru
83 PER
Synonyms: hidden
= Altamiranoa dyvrandae (Raym.-Hamet) A.Berger; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 18a: 470 (1930)
= Sedum backebergii Poelln.; Repert. Spec. Nov. Regni Veg. 46: 95 (1939)
= Sedum dyvrandae Raym.-Hamet; Bot. Jahrb. Syst. 50(Beibl. 112): 10 (1913)
species :
Villadia grandisepala (R.T.Clausen) R.T.Clausen; Sedum Trans-Mex. Volcanic Belt 39 (1959), in adnot.
Distribution: Mexico (Oaxaca)
79 MEX
Synonyms: hidden
= Sedum grandisepalum R.T.Clausen; Cact. Succ. J. (Los Angeles) 21: 149 (1949)
species :
Villadia guatemalensis Rose; Contr. U.S. Natl. Herb. 12: 396 (1909)
Distribution: Mexico (Oaxaca); Guatemala
79 MEX 80 GUA
Synonyms: hidden
= Altamiranoa guatemalensis (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Altamiranoa levis (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Villadia levis Rose; Contr. U.S. Natl. Herb. 12: 440 (1909)
species :
Villadia imbricata Rose; Bull. New York Bot. Gard. 3: 3 (1903)
Distribution: Mexico (Oaxaca)
79 MEX
Synonyms: hidden
= Altamiranoa ericoides H.Jacobsen; Handb. Sukk. Pfl. 1: 280 (1954), et Nat. Cact. & Succ. J. X. 80 (1955)
= Altamiranoa imbricata (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon imbricata (Rose) Fedde; Just´s Bot. Jahresber. 31, pt. 829 (1904)
species :
Villadia kimnachii Pino & Cieza; Haseltonia 15: 25 (figs. 71-77) (2009)
Distribution: Peru
83 PER
species :
Villadia klopfensteinii Pino & Cieza; Haseltonia 15: 16 (-19, figs. 43-50) (2009)
Distribution: Peru (Cajamarca)
83 PER
species :
Villadia laxa Moran & C.H.Uhl; Cact. Suc. Mex. 40(2): 31 (1995)
Distribution: Mexico (Chihuahua, Sinaloa, Sonora)
79 MEX
species :
Villadia minutiflora Rose; Bull. New York Bot. Gard. 3: 4 (1903)
Distribution: Mexico (Oaxaca)
79 MEX
Synonyms: hidden
= Altamiranoa minutiflora (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon minutiflora (Rose) Fedde; Just´s Bot. Jahresber. 31(1): 829 (1904)
species :
Villadia misera (Lindl.) R.T.Clausen; Sedum Trans-Mex. Volcanic Belt 38 (1959), in adnot.
Distribution: Mexico (Aguascalientes, Chihuahua, Coahuila, Ciudad de Mexico, Guanajuato, Guerrero, Hidalgo, Jalisco, México State, Nuevo León, Oaxaca, Queretaro, San Luis Potosí, Tamaulipas, Tlaxcala, Veracruz, Zacatecas)
79 MEX
Synonyms: hidden
= Altamiranoa parviflora (Rose) H.Jacobsen; Handb. Sukk. Pfl. 1: 282 (1954), et Nat. Cact. & Succ. J. X. 80 (1955)
= Cotyledon parviflora Hemsl.; Diagn. Pl. Nov. Mexic. 9 (1878), nom. illeg.
= Sedum miserum Lindl.; Edwards´s Bot. Reg. 24(Misc.): 65 (1838)
= Villadia parviflora Rose; Bull. New York Bot. Gard. 3: 5 (1903)
species :
Villadia nelsonii Rose; Bull. New York Bot. Gard. 3: 4 (1903)
Distribution: Mexico (Chiapas, Oaxaca)
79 MEX
Synonyms: hidden
= Altamiranoa nelsonii (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
species :
Villadia painteri Rose; N. Amer. Fl. [Britton et al., eds.] 22: 30 (1905)
Distribution: Mexico (Jalisco, Zacatecas)
79 MEX
Synonyms: hidden
= Altamiranoa painteri (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
species :
Villadia paniculata Pino & Cieza; Haseltonia 15: 23 (-24, figs. 64-70) (2009)
Distribution: Peru (Cajamarca)
83 PER
species :
Villadia patula Moran & C.H.Uhl; Cact. Suc. Mex. 36(2): 27 (1991)
Distribution: Mexico (Guanajuato, Queretaro, San Luis Potosí)
79 MEX
species :
Villadia platystyla (Fröd.) R.T.Clausen; Sedum Trans-Mex. Volcanic Belt 39 (1959), in adnot.
Distribution: Mexico (Jalisco)
79 MEX
Synonyms: hidden
= Sedum platystylum Fröd.; Acta Horti Gothob. 10: App., 38 (1935 publ. 1936)
species :
Villadia pringlei Rose; Bull. New York Bot. Gard. 3: 4 (1903)
Distribution: Mexico (Chihuahua)
79 MEX
Synonyms: hidden
= Altamiranoa pringlei (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon neopringlei Fedde; Just´s Bot. Jahresber. 31(1): 829 (1904), nom. nov.
species :
Villadia ramirezii P.Carrillo; Acta Bot. Mex. 110: 78 (2015)
Distribution: Mexico (Jalisco)
79 MEX
species :
Villadia recurva Moran, Kimnach & C.H.Uhl; Cact. Suc. Mex. 43(1): 3 (1998)
Distribution: Mexico (Guerrero, Oaxaca)
79 MEX
species :
Villadia squamulosa (S.Watson) Rose; Bull. New York Bot. Gard. 3: 5 (1903)
Name: Rat´s-tail succulent
Distribution: USA (SW-Texas); Mexico (Chihuahua, Coahuila, Nuevo León, Sonora)
77 USA 79 MEX
Synonyms: hidden
= Altamiranoa squamulosa (S.Watson) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938)
= Cotyledon parviflora var. squamulosa S.Watson; Proc. Amer. Acad. Arts 22: 473 (1887)
species :
Villadia stricta Rose; N. Amer. Fl. [Britton et al., eds.] 22: 30 (1905)
Distribution: Mexico (Coahuila, Zacatecas)
79 MEX
Synonyms: hidden
= Altamiranoa erecta H.Jacobsen; Handb. Sukk. Pfl. 1: 280 (1954)
= Altamiranoa stricta (Rose) E.Walther; Cact. Succ. J. (Los Angeles) 10: 24 (1938), nom. illeg.
species :
Villadia thiedei Pino & Cieza; Haseltonia 15: 20 (-23, figs. 57-63) (2009)
Distribution: Peru (Cajamarca)
83 PER
species :
Villadia virgata (Diels) Baehni & J.F.Macbr.; Candollea 7: 286 (1937)
Distribution: Peru
83 PER
Synonyms: hidden
= Altamiranoa virgata (Diels) A.Berger; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 18a: 470 (1930)
= Cotyledon virgata Diels; Bot. Jahrb. Syst. 37: 410 (1906)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.08 (August 2nd, 2026)

Covering 360,349 accepted species,
8,927 hybrids, 47,544 accepted infraspecific taxa and 1,011,667 synonyms,
in total 1,428,487* names

[*about 20,000 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

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With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

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