Taxon Report
Paronychia ahartii B. ErtterAhart's paronychia |
 © 2004 Carol W. Witham |
Taxon Summary
Paronychia ahartii, commonly known as Ahart's paronychia, is a annual herb in the Caryophyllaceae that is found only in California. It occurs within Cismontane woodland, Valley and foothill grassland, and Vernal pools, growing at elevations from 30 to 510 meters. Paronychia ahartii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
|
Scientific Name: |
Paronychia ahartii B. Ertter |
|
Common Name: |
Ahart's paronychia |
| Family: | Caryophyllaceae |
| Element Code: | PDCAR0L0V0 |
| USDA Plants Symbol: | PAAH |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Feb-Jun | Feb-Jun |
| Elevation: | 30-510 (100-1675) |
| General Habitats: | Cismontane woodland, Valley and foothill grassland, Vernal pools |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G3 |
|
State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 59 |
| Element Occurrence Ranks: | |
| Excellent (A) | 21 |
| Good (B) | 14 |
| Fair (C) | 0 |
| Poor (D) | 2 |
| None (X) | 0 |
| Unknown (U) | 22 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT), Shasta (SHA), Tehama (TEH) | |
| Quads: Name (Quad Code) | |
| Balls Ferry (4012242), Bend (4012232), Black Butte Dam (3912273), Clough Gulch (4012251), Corning (3912282), Dales (4012231), Gerber (4012212), Henleyville (3912283), Honcut (3912135), Kirkwood (3912272), Oroville (3912155), Palo Cedro (4012252), Richardson Springs (3912177), Richardson Springs NW (3912188), Shingletown (4012148), Shippee (3912156), Tuscan Buttes Ne (4012241), Tuscan Springs (4012221), Vina (3912281), West of Gerber (4012213) | |
Threat List Data from the CNDDB
| Threat List Total: | 9 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 25 | 42 % | |
| Grazing | 14 | 23% |
| Road/trail construction/maint. | 5 | 8% |
| ORV activity | 4 | 6% |
| Development | 4 | 6% |
| Other | 3 | 5% |
| Agriculture | 3 | 5% |
| Disking | 2 | 3% |
| Foot traffic/trampling | 2 | 3% |
| Mining | 2 | 3% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 March 2025].