Taxon Report

Solorina spongiosa (Ach.) Anzi

fringed chocolate chip lichen

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© 2014 Martin Hutten

Taxon Summary

Solorina spongiosa, commonly known as fringed chocolate chip lichen, is a crustose lichen (terricolous) in the Peltigeraceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Subalpine coniferous forest (seeps), growing at elevations from 2895 to 2895 meters. Solorina spongiosa is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

  Classification
Scientific Name:
 Solorina spongiosa (Ach.) Anzi
Common Name:
 fringed chocolate chip lichen
Family: Peltigeraceae
Element Code: NLT0028030
USDA Plants Symbol: SOSP60
Synonyms/Other Names:

Ecology and Life History
Lifeform: crustose lichen (terricolous)
Blooming Period:
Elevation: 2895-2895 (9500-9500)
General Habitats: Meadows and seeps, Subalpine coniferous forest
Microhabitat: Carbonate
Microhabitat Details: on moss mats

Conservation Status
CA Rare Plant Rank: 2B.2
Global Rank: G4G5
State Rank:
 S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • added to 2B.2 on 2014-03-01

Occurrence Data from the CNDDB
Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Mt. Thompson (3711825)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
1 100 %
Foot traffic/trampling 1 100%
Grazing 1 100%
Recreational use (non-ORV) 1 100%

Notes
Possibly threatened by grazing, foot traffic, and recreational activities. See CALS Conservation Committee sponsorship by E. Peterson (2005) for additional information.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 February 2025].