Taxon Report

Erythranthe utahensis (Pennell) Nesom

Utah monkeyflower

Print Report

Taxon Summary

Erythranthe utahensis, commonly known as Utah monkeyflower, is a perennial rhizomatous herb in the Phrymaceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 610 to 2000 meters. Erythranthe utahensis is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Erythranthe utahensis (Pennell) Nesom
Common Name:	Utah monkeyflower
Family:	Phrymaceae
Element Code:	PDPHR01160
USDA Plants Symbol:
Synonyms/Other Names:	Mimulus glabratus ssp. utahensis

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Apr	Apr
Elevation:	610-2000 (2000-6560)
General Habitats:	Meadows and seeps, Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.1
Global Rank:	G4G5
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.1 to 2B.1 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	5
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)
Quads: Name (Quad Code)
Lee Vining (3711981), Lundy (3811912), Mount Dana (3711982), Panamint Butte (3611743)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	40 %
Surface water diversion	2	40%
Foot traffic/trampling	1	20%

Notes



Threatened by dewatering of Mono Lake. See Academy of Natural Sciences of Philadelphia Monographs 1: 23 (1935) for original description, Phytoneuron 2012-39:1-60 (2012) for revised nomenclature, and Phytoneuron 40:1-123 (2012) and Phytoneuron 2014-81:1-6 (2014) for taxonomic treatments.
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 November 2025].