Taxon Report

Lomatium rigidum (Jones) Jeps.

stiff lomatium

Print Report


Taxon Summary

Lomatium rigidum, commonly known as stiff lomatium, is a perennial herb in the Apiaceae that is found only in California. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 1200 to 2200 meters. Lomatium rigidum is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Lomatium rigidum (Jones) Jeps.
Common Name:
stiff lomatium
Family: Apiaceae
Element Code: PDAPI1B1N0
USDA Plants Symbol: LORI2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-May Apr-May
Elevation: 1200-2200 (3935-7220)
General Habitats: Great Basin scrub, Pinyon and juniper woodland
Microhabitat: Rocky
Microhabitat Details:

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
California Endemic:  True
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Aberdeen (3611883), Big Pine (3711823), Coyote Flat (3711824), Fish Springs (3711813), Kearsarge Peak (3611873), Split Mtn. (3711814)

Notes

Can be locally common.
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 22 February 2025].