Species Details

Epilobium siskiyouense

Siskiyou fireweed

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Photo of Epilobium siskiyouense
©2014 Julie Kierstead Nelson
Photo of Epilobium siskiyouense
©2014 Neal Kramer
Photo of Epilobium siskiyouense
©2014 Neal Kramer
Scientific Name:
Epilobium siskiyouense (Munz) Hoch & Raven
Common Name:
Siskiyou fireweed
Family: Onagraceae
Element Code: PDONA06100
USDA Plants Symbol: EPSI2
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Jul-Sep
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Elevation:
1700 - 2500 meters
5580 - 8205 feet
General Habitats:
  • Alpine boulder and rock field
  • Subalpine coniferous forest
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Rocky
  • Serpentine
Notes:
Candidate for state listing in OR. See North American Flora II 5:205 (1965) for original description, and Madroño 27(3):146 (1980) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 7
Total EOs % of EOs
EOs with Threat Listed: 19 34 %
THREAT LIST:
Foot traffic/trampling 8 14%
Mining 4 7%
Road/trail construction/maint. 3 5%
Development 3 5%
Grazing 2 3%
Total Occurrences: 56
Element Occurrence Ranks:
A B C D X U
9 9 1 0 0 37
Occurrence Status:
Historical >20 Years 52
Recent <=20 Years 4
Presence:
Presumed Extant 56
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Billys Peak (4112227), Boulder Peak (4112351), Bully Choop Mtn. (4012257), Caribou Lake (4112218), Chicken Hawk Hill (4112214), Covington Mill (4012287), Deadman Peak (4112228), Dees Peak (4112313), Dutch Creek (4112381), Figurehead Mtn. (4112383), Kangaroo Mtn. (4112382), Marble Mountain (4112352), Mount Eddy (4112234), Mumbo Basin (4112225), Preston Peak (4112375), Scott Mountain (4112236), Seven Lakes Basin (4112224), Siligo Peak (4012288), South China Mtn. (4112235), Ycatapom Peak (4112217)
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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