Taxon Details

Deinandra bacigalupii

Livermore tarplant

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
No Photo Available

Taxon Summary:

Deinandra bacigalupii, commonly known as Livermore tarplant, is a annual herb in the Asteraceae that is found only in California. It occurs within Meadows and seeps, growing at elevations from 150 to 185 meters. Deinandra bacigalupii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Lifeform: annual herb
Blooming Period: Jun-Oct
JFMAMJJASOND
Elevation:
150 - 185 meters
490 - 605 feet
General Habitats:
  • Meadows and seeps (alkaline)
Microhabitat Details:
Microhabitat:
Notes:
Threatened by urbanization and development. Not in TJM (1993). See Madroño 46(1):55 (1999) for original description.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 4 100 %
THREAT LIST:
Development 4 100%
Disking 1 25%
Foot traffic/trampling 1 25%
Grazing 1 25%
Non-native plant impacts 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 2 0 1 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 3
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA)
Quads: Name (Quad Code)
Altamont (3712166)
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel
}