Species Details

Eriogonum umbellatum var. ahartii

Ahart's buckwheat

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Scientific Name:
Eriogonum umbellatum Torr. var. ahartii Reveal
Common Name:
Ahart's buckwheat
Family: Polygonaceae
Element Code: PDPGN086UY
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G5T3
State Rank:
S3
Other Status: BLM_S; SB_UCSC; USFS_S
CRPR Changes:
added to 1B.2 on 2010-11-29
added to 4.2? on 2007-09-17
Add Date: 2010-11-29
Date Edited: 2024-11-05
Lifeform: perennial herb
Blooming Period: Jun-Sep
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Elevation:
400 - 2000 meters
1310 - 6560 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
  • Openings
  • Serpentine
  • Slopes
Notes:
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.
Threats:
Taxonomy:
Threat List Total: 9
Total EOs % of EOs
EOs with Threat Listed: 15 47 %
THREAT LIST:
Road/trail construction/maint. 8 25%
Logging 6 18%
ORV activity 4 12%
Other 4 12%
Wood cutting or brush clearing 4 12%
Total Occurrences: 32
Element Occurrence Ranks:
A B C D X U
1 13 3 0 0 15
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 29
Presence:
Presumed Extant 32
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Plumas (PLU), Sierra (SIE), Yuba (YUB)
Quads: Name (Quad Code)
Berry Creek (3912164), Cascade (3912162), Challenge (3912142), Cherokee (3912165), Clipper Mills (3912152), Cohasset (3912186), Goodyears Bar (3912058), Meadow Valley (3912181), Paradise East (3912175), Paradise West (3912176), Pulga (3912174), Stirling City (3912185)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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