Species Details

Eriastrum harwoodii

Harwood's eriastrum

  Download Report   Calflora     eFlora     CCH     CalPhotos
No Photo Available
Scientific Name:
Eriastrum harwoodii (T.T. Craig) D. Gowen
Common Name:
Harwood's eriastrum
Family: Polemoniaceae
Element Code: PDPLM030B1
USDA Plants Symbol: ERHA5
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2
State Rank:
Other Status: BLM_S; SB_CalBG/RSABG; SB_USDA
CRPR Changes:
added to 1B.2 on 2008-07-22
Add Date: 2008-07-22
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Mar-Jun
125 - 915 meters
410 - 3000 feet
General Habitat:
  • Desert dunes
General Micro Habitat:
Micro Habitat:
Threatened by mining, non-native plants, and vehicles. Potentially threatened by solar energy development. Possibly threatened by grazing and trampling. Not in TJM (1993). See Bulletin of the Torrey Botanical Club 61: 345-409 (1934) for original description, and Madrono 55 (1):82-87 (2008) for revised taxonomic treatment.
Total Occurrences: 80
Element Occurrence Ranks:
4 19 9 1 0 47
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 74
Presumed Extant 80
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Imperial (IMP), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Arica Mountains (3411418), Borrego Mountain SE (3311611), Cadiz Lake (3411534), Cadiz Lake NW (3411544), Cadiz Summit (3411554), Cadiz Valley SE (3411513), Calumet Mine (3411545), Calumet Mountains (3411535), Chubbuck (3411533), Clark Lake (3311633), Clarks Pass (3411515), Cowhole Mountain (3511518), Crescent Peak (3511542), Crucero Hill (3511612), Danby Lake (3411521), Desert Hot Springs (3311685), East of Broadwell Lake (3411671), East of Granite Pass (3411511), East of Victory Pass (3311573), Glasgow (3411587), Indian Spring (3511527), Kelso Dunes (3411586), Kingston Peak (3511568), Martinez Mtn. (3311653), Milligan (3411532), Morongo Valley (3411615), New Dale (3411516), Old Dad Mtn. (3511517), Pinto Wells (3311584), Rice (3411417), Roosevelt Mine (3311457), Seventeenmile Point (3511528), Sidewinder Well (3311562), Skeleton Pass (3411553), Valjean Hills (3511661)
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
Counties   Quads