Wednesday, March 4, 2015

Endemic vascular plant genera of the California region

There are on the order of 67 genera endemic to California and the California Floristic Province (‘California region’).  The list below gives my most recent compilation. About half of these are monotypic.  The total number of treated taxa is 155, or about 6% of the endemic flora of the region.

Agavaceae
           Chlorogalum Kunth (8)
Apiaceae
           Oreonana Jeps. (3)
Asteraceae
Achyrachaena Schauer    (1)
Adenothamnus D. D. Keck (1)
Baeriopsis J.T. Howell (1)
Benitoa D. D. Keck (1)
Blepharizonia (A. Gray) Greene (2)
Calycadenia DC. (10)
Constancea B. G. Baldwin (1)
Corethrogyne DC (1)
Eastwoodia Brandegee (1)
Holocarpha Greene (4)
Holozoinia Greene (1)
Jensia B. G. Baldwin (2)
Kyhosia B. G. Baldwin (1)
Hesperevax (A. Gray) A. Gray (3)
Monolopia DC. (5)
Munzothamnus P. H. Raven (1)
Orochaenactis Coville (1)
            Pentachaeta Nutt. (8)
            Phalacroseris A. Gray (2)
            Pseudobahia (A. Gray) Rydb. (3)
            Tracyina S. F. Blake (1)
            Venegasia DC. (1)
Brassicaceae
             Euclisia (Nutt. ex Torr. & A. Gray) Greene (9)*
             Heterodraba Greene (1)
 ‘Kruckeberia’ (10)
             Sibaropsis S. Boyd & T.S. Ross (1)
             Twisselmannia Al-Shebaz (1)        
Cactaceae
               Bergerocactus Britton & Rose (1)
Chenopodiaceae
               Extriplex E. H. Zacharias (2)
Crassulaceae
               Sedella Britton & Rose (30
Cyperaceae
               Calliscripus C.N.Gilmour , J.R.Starr & Naczi (2)
Ericaceae
               Ornithostaphylos Small (2)
Fabaceae
               Pickeringia Nutt. (2)
Hydrophyllaceae
               Draperia Torr. (1)
  Lemmonia A. Gray (1)
Hydrangeaceae
               Carpenteria Torr. (1)
Lamiaceae
               Acanthomintha (A. Gray) A. Gray (5)
  Pogogyne Benth. (8)
Lauraceae
               Umbellularia (Nees) Nutt. (2)
Monotropaceae
               Sacrcodes Torr. (1)
Oleaceae
               Hesperelaea A. Gray (1)
Onagraceae
               Heterogaura Rothr. (1)
Papaveraceae
            Dendromecon Kell. (2)
Ehrendorferia Fukuhara & Lidén (2)
Hesperomecon Greene (1)
Romneya Harv. (2)
Stylomecon G. Taylor (1)
Poaceae
               Neostapfia Burtt-Davy (1)
Polygonaceae
           Acanthoscyphus Small (4)
           Aristocapsa Reveal & Hardham (1)
           Dedeckara Reveal & J. T. Howell (1)
           Gilmania Cov. (1)
Goodmania Reveal & Ertter (1)
           Hollisteria S. Watson (1)
Mucronea Benth. (2)
Sidotheca Reveal. (3)
Systenotheca Reveal & Hardham (1)
Rosaceae
               Chamaebatia Benth. (2)
               Lyanothamnus A. Gray (2)
Saxifragaceae
               Bensoniella C. V. Morton (1)
               Jepsonia Small (3)
Taxodiaceae
               Sequoia Endl. (1)
               Sequoiadendron J. Buchholz (1)
Tecophilaeaceae
               Odontostomum Torr. (1)
Themidaceae
               Bloomeria Kellogg (5)


*genera as indicated in Cacho et al. 2014 (Mol. Phylo. And Evolution 72:71-81), but not yet described

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