Taxon Report

Glehnia littoralis (Gray) Miq. ssp. leiocarpa (Math.) Hult.

American glehnia

Print Report

Taxon Summary

Glehnia littoralis ssp. leiocarpa, commonly known as American glehnia, is a perennial herb in the Apiaceae that is found in California and elsewhere. It occurs within Coastal dunes, growing at elevations from 0 to 20 meters. Glehnia littoralis ssp. leiocarpa is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Glehnia littoralis (Gray) Miq. ssp. leiocarpa (Math.) Hult.
Common Name:	American glehnia
Family:	Apiaceae
Element Code:	PDAPI13011
USDA Plants Symbol:	GLLIL
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Aug	May-Aug
Elevation:	0-20 (0-65)
General Habitats:	Coastal dunes
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G5T5
State Rank:	S2S3
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Arcata North (4012481), Cannibal Island (4012463), Crannell (4112411), Crescent City (4112472), Eureka (4012472), Fern Canyon (4112441), Ferndale (4012453), Fields Landing (4012462), Fort Bragg (3912347), Orick (4112431), Plantation (3812353), Point Arena (3812386), Requa (4112451), Rodgers Peak (4112421), Sister Rocks (4112462), Trinidad (4112412), Tyee City (4012482)

Threat List Data from the CNDDB


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

Notes



Threatened by non-native plants and vehicles. See Annals of the Missouri Botanical Garden 15:95 (1928) for original description, and Flora of Alaska and Yukon 7:1180 (1947) for revised nomenclature.
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 5 July 2025].