Taxon Details

Allium incomptum

Minnesota Mountain onion

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Taxon Summary:

Allium incomptum, commonly known as Minnesota Mountain onion, is a perennial bulbiferous herb in the Alliaceae that is found only in California. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 1185 to 1295 meters. Allium incomptum is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Allium incomptum Kierstead & Lindstrand
Common Name: Minnesota Mountain onion
Family:	Alliaceae
Element Code:	PMLIL02450
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:
CRPR Changes: added to 1B.3 on 2023-04-05
Add Date:	2023-04-05
Date Edited:	2025-10-29

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: Apr-May

Elevation:
1185 - 1295 meters
3890 - 4250 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Gravelly
Openings
Rocky

Notes

Notes: Described in 2022.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					2
A	B	C	D	X	U
1	1	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	2

Presence:
Presumed Extant	2
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA)

Quads: Name (Quad Code)
Bollibokka Mtn. (4012282), Minnesota Mtn. (4012272)

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

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CNPS Status Review:	Proposed Addition to CRPR 1B.3, G1 / S1 (2023)
Original Description:	Madroño (69)1: 95–101 (2022)

CNPS Rare Plant Inventory