Species Details

Eriastrum ertterae

Lime Ridge eriastrum

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Photo of Eriastrum ertterae
© 2013 John Doyen
Scientific Name:
Eriastrum ertterae D. Gowen
Common Name:
Lime Ridge eriastrum
Family: Polemoniaceae
Element Code: PDPLM030F0
USDA Plants Symbol: ERER3
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Jun-Jul
JFMAMJJASOND
Elevation:
200 - 290 meters
655 - 950 feet
General Habitats:
  • Chaparral (edges, openings)
Microhabitat Details: sometimes semi-alkaline
Microhabitat:
  • Alkaline (sometimes)
  • Sandy
Notes:
Known only from the Lime Ridge area. Potentially threatened by recreational activities, electric transmission tower maintenance, and non-native plants. Similar to E. hooveri. See Journal of the Botanical Research Institute of Texas 7(1):21-24 (2013) for original description.
Threats:
Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 2 100 %
THREAT LIST:
Foot traffic/trampling 2 100%
Insufficient population/stand size 2 100%
Non-native plant impacts 2 100%
Recreational use (non-ORV) 2 100%
Wood cutting or brush clearing 1 50%
Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 1 0 0 1
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 2
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA)
Quads: Name (Quad Code)
Clayton (3712188)
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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