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205.0000 Family Saxifragaceae Juss.; Gen. Pl. [Jussieu] 308 (1789), nom. cons.
40-41 genera, ca. 780 spp. Systematics: Folk et al. (2021)
Species listed in database: 849; hybrids: 83
= Brachycaulaceae Panigrahi & Dikshit; Proc. 90th Indian Sci. Congr., Part III (Advance Abstr.): 54 (2003)
= Chrysospleniaceae Bercht. & J.Presl; Přír. Rostlin 259 (1820)
= Pectiantiaceae Raf.; Fl. Tellur. 2: 73 (1837)
205.0907 Genus Tolmiea Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 1: 582 (1840)
Distribution: W-North America (Alaska to California)
Species listed in database: 2
= Leptaxis Raf.; Fl. Tellur. 2: 75 (1836)
species :
Tolmiea diplomenziesii Judd, Soltis & P.S.Soltis; Brittonia 59(3): 218 (2007)
Distribution: USA (Oregon, California)
73 USA 76 USA
species :
Tolmiea menziesii (Pursh) Torr. & A.Gray; Fl. N. Amer. [Torrey & A.Gray] 1: 582 (1840)
Name: Youth on age, Pick-a-back-plant (EN)
Distribution: England [I] (England [I], Wales [I], Scotland [I], Isle of Man [I]); Ireland [I] (Ireland [I], Northern Ireland [I]); Alaska; Canada (British Columbia); USA (California, Oregon, Washington State); Colombia [I]
10 grb ire 70 ASK 71 CDN 73 USA 76 USA 82 clm
Synonyms: hidden
= Heuchera menziesii (Pursh) Hook.; Fl. Bor.-Amer. [Hooker] 1: 237 (1833)
= Leptaxis menziesii (Pursh) Raf.; Fl. Tellur. 2: 76 (1836)
= Tiarella menziesii Pursh; Fl. Amer. Sept. [Pursh] 1: 313 (1813) (mensiesii)
= Tolmiea menziesii f. gemmifera Engl.; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 18a: 160 (1930)
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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

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