Species Details

Eriogonum evanidum

vanishing wild buckwheat

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CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG; USFS_S
CRPR Changes:
changed from 1B.2 to 1B.1 on 2007-07-23
Add Date: 1994-01-01
Date Edited: 2024-08-06
Lifeform: annual herb
Blooming Period: Jul-Oct
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Elevation:
1100 - 2225 meters
3610 - 7300 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
  • Pinyon and juniper woodland
Microhabitat Details:
Microhabitat:
  • Gravelly (sometimes)
  • Sandy (sometimes)
Notes:
Threatened by development, foot traffic, grazing, recreational activities, and vehicles. Possibly threatened by alteration of fire regimes and non-native plants. Easily confused with E. davidsonii; possibly overlooked. See E. foliosum in The Jepson Manual (1993). Most occurrences not seen recently; need field surveys. See Phytologia 86(3): 133 (2004) for original description, and MadroƱo 59(3):150-155 (2012) for information on rediscovery.
Threats:
Taxonomy:
Threat List Total: 7
Total EOs % of EOs
EOs with Threat Listed: 5 56 %
THREAT LIST:
ORV activity 3 33%
Recreational use (non-ORV) 3 33%
Foot traffic/trampling 2 22%
Grazing 2 22%
Logging 1 11%
Total Occurrences: 9
Element Occurrence Ranks:
A B C D X U
0 3 2 0 0 4
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 5
Presence:
Presumed Extant 9
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Anza (3311656), Big Bear City (3411637), Butterfly Peak (3311655), Descanso (3211675), Fawnskin (3411638), Hot Springs Mtn. (3311635), Idyllwild (3311666), Moonridge (3411627), Viejas Mountain (3211676), Warner Springs (3311636)
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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