Species Details

Horkelia congesta var. nemorosa

Josephine horkelia

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Photo of Horkelia congesta var. nemorosa
© 2011 Doreen L. Smith
Photo of Horkelia congesta var. nemorosa
© 2011 Doreen L. Smith

Species Description:

Horkelia congesta var. nemorosa, commonly known as Josephine horkelia, is a perennial herb in the Rosaceae that is found in California and elsewhere. It occurs within North Coast coniferous forest (clay, and serpentinite seeps), growing at elevations from 300 to 800 meters. Horkelia congesta var. nemorosa is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Lifeform: perennial herb
Blooming Period: May-Jul
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Elevation:
300 - 800 meters
985 - 2625 feet
General Habitats:
  • North Coast coniferous forest (clay, serpentinite seeps)
Microhabitat Details:
Microhabitat:
Notes:
Known in CA only from Shelly Creek.
Threats:
Taxonomy:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 0
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Del Norte (DNT)
Quads: Name (Quad Code)
Shelly Creek Ridge (4112387)
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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Species Account: Horkelia congesta var. nemorosa profile for potential Species of Conservation Concern evaluation (2018)
Other: USFS Potential Species of Conservation Concern Profile

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