Taxon Report

Carex scabriuscula Mackenzie

Siskiyou sedge

Print Report


©2009 Julie Kierstead Nelson

  Classification
Scientific Name:
 Carex scabriuscula Mackenzie
Common Name:
 Siskiyou sedge
Family: Cyperaceae
Element Code: PMCYP03C40
USDA Plants Symbol: CASC14
Synonyms/Other Names:
  • Carex gigas (Holm) Mackenzie

Ecology and Life History
Lifeform: perennial rhizomatous herb
Blooming Period: May-Jul May-Jul
Elevation: 710-2345 (2330-7695)
General Habitats: Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest
Microhabitat: Mesic, Seeps (sometimes), Serpentine (sometimes)
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.3
Global Rank: G3G4
State Rank:
 S4
State List: None
Fed List: None
Other Status: SB_BerrySB; SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Plumas (PLU), Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Black Lassic (4012335), Caribou (4012112), Carrville (4112216), Chicken Hawk Hill (4112214), Chimney Rock (4112356), Covington Mill (4012287), Figurehead Mtn. (4112383), Gasquet (4112378), Grider Valley (4112362), Haskins Valley (3912172), High Plateau Mtn. (4112388), Hiouchi (4112471), Kangaroo Mtn. (4112382), Klamath Glen (4112358), Meadow Valley (3912181), Mumbo Basin (4112225), Onion Valley (3912078), Polar Bear Mtn. (4112385), Preston Peak (4112375), Salt Canyon (3912213), Scott Mountain (4112236), Seven Lakes Basin (4112224), Ship Mountain (4112367), Siligo Peak (4012288), South China Mtn. (4112235), Tangle Blue Lake (4112226), Twain (4012111), Whisky Bill Peak (4112215), Ycatapom Peak (4112217)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 0 %

Notes
Endangered in OR.
Threats:
Taxonomy:

Selected References

Carex scabriuscula account for potential Species of Conservation Concern evaluation (2021)
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].