Species Details

Arnica cernua

serpentine arnica

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Photo of Arnica cernua
© 2021 Scot Loring
Photo of Arnica cernua
©2021 Scot Loring
Photo of Arnica cernua
© 2021 Scot Loring
Lifeform: perennial rhizomatous herb
Blooming Period: Apr-Jul
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Elevation:
500 - 1920 meters
1640 - 6300 feet
General Habitats:
  • Lower montane coniferous forest (serpentinite)
Microhabitat Details:
Microhabitat:
Notes:
Possibly threatened by logging.
Threats:
Taxonomy:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
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), Humboldt (HUM), Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Blue Creek Mtn. (4112347), Broken Rib Mtn. (4112386), Chicken Hawk Hill (4112214), Childs Hill (4112461), Chimney Rock (4112356), Dees Peak (4112313), Devils Punchbowl (4112376), Fish Lake (4112336), Grouse Mtn. (4012376), Hamburg (4112371), High Divide (4112481), High Plateau Mtn. (4112388), Hoopa (4112316), Hupa Mountain (4112317), Johnsons (4112337), Kangaroo Mtn. (4112382), Klamath Glen (4112358), Lonesome Ridge (4112346), Preston Peak (4112375), Shelly Creek Ridge (4112387), Slater Butte (4112373), Willow Creek (4012386)
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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