Species Details

Paronychia ahartii

Ahart's paronychia

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Photo of Paronychia ahartii
© 2004 Carol W. Witham
Photo of Paronychia ahartii
© 2008 John Dittes

Species Description:

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.

Lifeform: annual herb
Blooming Period: Feb-Jun
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Elevation:
30 - 510 meters
100 - 1675 feet
General Habitats:
  • Cismontane woodland
  • Valley and foothill grassland
  • Vernal pools
Microhabitat Details:
Microhabitat:
Notes:
Threatened by habitat loss. Possibly threatened by grazing, trampling, and vehicles. See Madroño 32(2):87-90 (1985) for original description.
Threats:
Taxonomy:
Threat List Total: 9
Total EOs % of EOs
EOs with Threat Listed: 25 42 %
THREAT LIST:
Grazing 14 23%
Road/trail construction/maint. 5 8%
ORV activity 4 6%
Development 4 6%
Other 3 5%
Total Occurrences: 59
Element Occurrence Ranks:
A B C D X U
21 14 0 2 0 22
Occurrence Status:
Historical >20 Years 54
Recent <=20 Years 5
Presence:
Presumed Extant 59
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
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)
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
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