CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record eriogonum_umbellatum_var._ahartii - Sun, Dec. 5, 2021, 12:23 ET b
Eriogonum umbellatum var. ahartii
common nameAhart's buckwheat
CalPhotos image
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life formperennial herb
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
S3      ranking system key
global rank
G5T3      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (16):
Challenge (558B) 3912142, Goodyears Bar (573C) 3912058, American House (574A) 3912161, Cascade (574B) 3912162, Clipper Mills (574C) 3912152, Berry Creek (575B) 3912164, Cherokee (576A) 3912165, Meadow Valley (590A) 3912181, Haskins Valley (590C) 3912172, Dogwood Peak (590D) 3912171, Pulga (591C) 3912174, Soapstone Hill (591D) 3912173, Cohasset (592B) 3912186, Paradise East (592D) 3912175, Caribou (606C) 4012112, Belden (607D) 4012113
quad data info

Counties, states, regions:
Butte (BUT), Plumas (PLU), Sierra (SIE), Yuba (YUB)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)/serpentinite, slopes, openings
blooming period Jun-Sep  
elevation range400 - 2000 meters
Threatened by road and trail construction and maintenance, vehicles, and fire suppression. Potentially threatened by logging. Not in The Jepson Manual (1993). See Phytologia 86:146 (2004) for original description.
full nameEriogonum umbellatum Torr. var. ahartii Reveal
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDPGN086UY
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 Sun, Dec. 5, 2021 from

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