Taxon Report
Deinandra arida (Keck) B.G. BaldwinRed Rock tarplant |
 © 2012 Neal Kramer |
Species Description:
Deinandra arida, commonly known as Red Rock tarplant, is a annual herb in the Asteraceae that is found only in California. It occurs within Mojavean desert scrub (clay, and volcanic tuff), growing at elevations from 300 to 950 meters. Deinandra arida is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.
Classification
|
Scientific Name: |
Deinandra arida (Keck) B.G. Baldwin |
|
Common Name: |
Red Rock tarplant |
| Family: | Asteraceae |
| Element Code: | PDAST4R010 |
| USDA Plants Symbol: | DEAR8 |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Nov | Apr-Nov |
| Elevation: | 300-950 (985-3115) |
| General Habitats: | Mojavean desert scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| State List: | CR |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 6 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 2 |
| Fair (C) | 2 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Kern (KRN) | |
| Quads: Name (Quad Code) | |
| Cantil (3511738), Saltdale NW (3511748) | |
Threat List Data from the CNDDB
| Threat List Total: | 5 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 83 % | |
| ORV activity | 5 | 83% |
| Non-native plant impacts | 2 | 33% |
| Mining | 1 | 16% |
| Recreational use (non-ORV) | 1 | 16% |
| Road/trail construction/maint. | 1 | 16% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 January 2025].