Taxon Report

Lomatium kogholiini K.M. Mason & Willie

Wailaki lomatium

Print Report

Taxon Summary

Lomatium kogholiini, commonly known as Wailaki lomatium, is a perennial herb in the Apiaceae that is . It occurs within Lower montane coniferous forest, growing at elevations from 450 to 1250 meters. Lomatium kogholiini is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lomatium kogholiini K.M. Mason & Willie
Common Name:	Wailaki lomatium
Family:	Apiaceae
Element Code:	PDAPI1B310
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	450-1250 (1475-4100)
General Habitats:	Lower montane coniferous forest
Microhabitat:	Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 1B.2 on 2023-06-13

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	6

Location


California Endemic: False
California Counties and Islands: Name (Code)
Mendocino (MEN)
Quads: Name (Quad Code)
Leggett (3912376), Noble Butte (3912386)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes




Threats:
Possibly threatened by mining, logging, road maintenance, vehicles, and erosion
Taxonomy:
Previously identified as L. congdonii, L. engelmannii, or L. tracyi; differentiated by its lack of bractlets, 4–7 rays per umbel, green leaves, and 4–6 oil tubes on comissures.

Selected References

Proposed addition to CRPR 1B.2, G1 / S1 (2023)

Phytoneuron 2019-10: 1–18 (2019)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 17 October 2025].