Taxon Report
Atriplex parishii Wats.Parish's brittlescale |
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Taxon Summary
Atriplex parishii, commonly known as Parish's brittlescale, is a annual herb in the Chenopodiaceae that is found in California and elsewhere. It occurs within Chenopod scrub, Playas, and Vernal pools, growing at elevations from 25 to 1900 meters. Atriplex parishii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Atriplex parishii Wats. |
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Common Name: |
Parish's brittlescale |
| Family: | Chenopodiaceae |
| Element Code: | PDCHE041D0 |
| USDA Plants Symbol: | ATPA2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Jun-Oct | Jun-Oct |
| Elevation: | 25-1900 (80-6235) |
| General Habitats: | Chenopod scrub, Playas, Vernal pools |
| Microhabitat: | Alkaline |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1G2 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CRES; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 15 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 3 |
| Unknown (U) | 10 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX)*, Orange (ORA)*, Riverside (RIV), San Bernardino (SBD)*, San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Anaheim (3311778), Beverly Hills (3411814)*, Big Bear City (3411637)*, Burbank (3411823)*, Butterfly Peak (3311655)*, La Habra (3311788), Laguna Beach (3311757)*, Lakeview (3311771), Long Beach (3311872)*, Los Alamitos (3311871), Palm Springs (3311675)*, Perris (3311772), Redondo Beach (3311874)*, San Pasqual (3311618), Topanga (3411815), Torrance (3311873), Warner Springs (3311636), Whittier (3311881), Winchester (3311761) | |
Threat List Data from the CNDDB
| Threat List Total: | 7 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 4 | 27 % | |
| Agriculture | 3 | 20% |
| Development | 2 | 13% |
| Grazing | 2 | 13% |
| Non-native plant impacts | 2 | 13% |
| ORV activity | 1 | 6% |
| Disking | 1 | 6% |
| Foot traffic/trampling | 1 | 6% |
Notes
| Threatened by development, agricultural conversion, and grazing. Taxonomic reevaluation indicates plant is only from southern CA, but is closely related to more northern A. depressa and A. minuscula. See Proceedings of the American Academy of Arts and Sciences 17:377 (1882) for original description. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 18 April 2025].