Taxon Report
Atriplex parishii Wats.Parish's brittlescale |
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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 7 January 2025].