Taxon Report

Micromonolepis pusilla (Torr. ex S. Wats.) Ulbr.

dwarf monolepis

Print Report

Taxon Summary

Micromonolepis pusilla, commonly known as dwarf monolepis, is a annual herb in the Chenopodiaceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 1500 to 2400 meters. Micromonolepis pusilla is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Micromonolepis pusilla (Torr. ex S. Wats.) Ulbr.
Common Name:	dwarf monolepis
Family:	Chenopodiaceae
Element Code:	PDCHE0F020
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Aug	May-Aug
Elevation:	1500-2400 (4920-7875)
General Habitats:	Great Basin scrub
Microhabitat:	Alkaline, Openings
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S3?
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12 added to 2.3 on 2007-06-13

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)
Lassen (LAS), Modoc (MOD), Mono (MNO)
Quads: Name (Quad Code)
Banner Ridge (3711865), Benton Hot Springs (3711875)?, Cherry Mtn. (4012051), Eagle Peak (4112032), Eagleville (4112031)?, Fredonyer Peak (4012065), Watterson Canyon (3711866), West of Snowstorm Mtn. (4012064), Whitmore Hot Springs (3711867)

Threat List Data from the CNDDB


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

Notes



See Monolepis pusilla in The Jepson Manual (1993). See Nat. Pflanzenfam. (1934) for revised nomenclature.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2007-06-13

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 24 October 2025].