Taxon Report

Lomatium insulare (Eastw.) Munz

San Nicolas Island lomatium

Print Report


Taxon Summary

Lomatium insulare, commonly known as San Nicolas Island lomatium, is a perennial herb in the Apiaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, growing at elevations from 15 to 800 meters. Lomatium insulare is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Lomatium insulare (Eastw.) Munz
Common Name:
San Nicolas Island lomatium
Family: Apiaceae
Element Code: PDAPI1B0W0
USDA Plants Symbol: LOIN2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jan-Apr(Jun) Jan-Apr(Jun)
Elevation: 15-800 (50-2625)
General Habitats: Coastal bluff scrub
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 14
California Endemic:  False
California Counties and Islands: Name (Code)
Los Angeles (LAX), Ventura (VEN)
Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Nicolas Island (3311924)

Notes

Presumed extinct on SCM Isl.; last seen there in 1918 (need quad). Threatened by military development and road construction, and possibly by non-native plants. See Proceedings of the California Academy of Sciences III 1:89-120 (1898) for original description.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].