CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record eriogonum_heermannii_var._occidentale - Wed, Dec. 1, 2021, 06:39 ET b
Eriogonum heermannii var. occidentale
common namewestern Heermann's buckwheat
CalPhotos image
more photos
© 1998 Dean Wm. Taylor  Follow image link for photo data.
life form deciduous shrub
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G5T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (13):
Smith Mountain (316D) 3612015, San Lucas (318A) 3612121, Thompson Canyon (318B) 3612122, Idria (339B) 3612046, San Benito Mountain (339C) 3612036, Hernandez Reservoir (340A) 3612047, Rock Spring Peak (340B) 3612048, Lonoak (340C) 3612038, Hepsedam Peak (340D) 3612037, Topo Valley (341A) 3612141, Panoche (362D) 3612057, Bickmore Canyon (363C) 3612152, Tres Pinos (385D) 3612173
quad data info

Counties, states, regions:
Fresno (FRE), Monterey (MNT), San Benito (SBT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)(openings)/Often serpentinite; usually roadsides or alluvium floodplains, rarely clay or shale slopes
blooming period Jul-Oct  
elevation range105 - 795 meters
Previously CRPR 4.2; rarer than originally thought. Possibly threatened by hydrological alterations caused by past vehicle use. See Leaflets of Western Botany 1(4):30 (1932) for original description, and Phytologia 66(4):314-316 (1989) for taxonomic treatment.
full nameEriogonum heermannii Dur. & Hilg. var. occidentale S. Stokes
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ERHEO Element Code  PDPGN082P6
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Wed, Dec. 1, 2021 from

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