Species Details

Sulcaria spiralifera

twisted horsehair lichen

  Download Report   Calflora     eFlora     CCH     CalPhotos
Photo of Sulcaria spiralifera
© 2021 Scot Loring
Photo of Sulcaria spiralifera
© 2021 Scot Loring
Photo of Sulcaria spiralifera
© 2021 Scot Loring
Scientific Name:
Sulcaria spiralifera (Brodo & D. Hawksw.) Myllys, Velmala & Goward
Common Name:
twisted horsehair lichen
Family: Parmeliaceae
Element Code: NLT0042560
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3G4
State Rank:
Other Status: BLM_S
CRPR Changes:
changed from 1B.1 to 1B.2 on 2021-05-24
added to 1B.1 on 2014-02-28
Add Date: 2014-03-01
Date Edited: 2021-10-08
Lifeform: fruticose lichen (epiphytic)
Blooming Period:
0 - 90 meters
0 - 295 feet
General Habitat:
  • Coastal dunes (SLO Co.)
  • North Coast coniferous forest (immediate coast)
General Micro Habitat: Usually on conifers.
Micro Habitat:
Largest known population in CA is on the Samoa Peninsula in HUM Co. Possibly threatened by coastal development, air pollution, and climate change. Usually on Picea sitchensis, Pinus contorta var. contorta, Pseudotsuga menziesii, Abies grandis, and Tsuga heterophylla. Includes Bryoria pseudocapillaris, which was previously CRPR 3.2. Similar to S. badia. See Bulletin of the California Lichen Society 15(1):4-6 (2008) for CALS Conservation Committee sponsorship, and The Lichenologist 46(6):737-752 (2014) for taxonomic treatment. CALS: Sulcaria spiralifera.
Total Occurrences: 18
Element Occurrence Ranks:
0 1 0 0 0 17
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 6
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR), Washington (WA)
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Monterey (MNT), San Luis Obispo (SLO), Sonoma (SON)
Quads: Name (Quad Code)
Annapolis (3812363), Cambria (3512151), Childs Hill (4112461), Crannell (4112411), Crescent City (4112472), Eureka (4012472), Monterey (3612158), Morro Bay South (3512037), Point Arena (3812386), Port San Luis (3512027), Rodgers Peak (4112421), Sister Rocks (4112462), Smith River (4112482), Stewarts Point (3812364), Trinidad (4112412), Tyee City (4012482)
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
Counties   Quads