CNPS

CNPS Rare Plant Inventory

Species Details

Graphis saxorum

Baja rock lichen

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  Classification

Scientific Name:
Graphis saxorum Egea & Torrente
Common Name:
Baja rock lichen
Family: Graphidaceae
Element Code: NLTES29470
USDA Plants Symbol: GRSA3
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 3
Fed List: None
State List: None
Global Rank: G1G2
State Rank:
 S1
Other Status:
CRPR Changes:
added to 3 on 2014-03-01
Add Date: 2014-03-01
Date Edited: 2022-01-05

  Ecology and Life History

Lifeform: crustose lichen (saxicolous)
Blooming Period:
JFMAMJJASOND
Elevation:
30 - 80 meters
100 - 260 feet
General Habitats:
  • Coastal scrub (?)
Microhabitat Details: Volcanic rocks
Microhabitat:

  Notes

Notes:
Added to CRPR 3 based on prior inclusion in CNDDB; CALS Conservation Committee sponsorship is pending. Known in CA only from vicinity of Isthmus Cove and Little Harbor on SCT Is. See The Bryologist 100(2):207-209 (1997) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:
No threats

  Occurrence Data from the CNDDB

Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 2
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 0
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Santa Catalina North (3311844), Santa Catalina West (3311845)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 19 April 2024].