Taxon Report

Erythranthe grayi (A.L. Grant) G.L. Nesom

Gray's monkeyflower

Print Report

Taxon Summary

Erythranthe grayi, commonly known as Gray's monkeyflower, is a annual herb in the Phrymaceae that is found only in California. It occurs within Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 550 to 2900 meters. Erythranthe grayi is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Erythranthe grayi (A.L. Grant) G.L. Nesom
Common Name:	Gray's monkeyflower
Family:	Phrymaceae
Element Code:	PDSCR1B1D0
USDA Plants Symbol:
Synonyms/Other Names:	Mimulus grayi

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jul	May-Jul
Elevation:	550-2900 (1805-9515)
General Habitats:	Lower montane coniferous forest, Upper montane coniferous forest
Microhabitat:	Mesic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G2G3Q
State Rank:	S2S3
State List:	None
Fed List:	None
Other Status:
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: True
California Counties and Islands: Name (Code)
Fresno (FRE), Madera (MAD), Mariposa (MPA), Tulare (TUL), Tuolumne (TUO)
Quads: Name (Quad Code)
Ackerson Mtn. (3711977), Ahwahnee (3711936), Auberry (3711914), Bass Lake (3711935), Buckingham Mtn. (3711957), Camp Wishon (3611826), Case Mountain (3611847), Duckwall Mtn. (3712081), Fish Camp (3711946), Giant Forest (3611857), Mineral King (3611845), Musick Mtn. (3711923), North Fork (3711925), Silver City (3611846), Standard (3712083), Stumpfield Mtn. (3711947), Tuolumne (3712082), Wawona (3711956), White Chief Mtn. (3711945)

Threat List Data from the CNDDB


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

Notes



See Annals of the Missouri Botanical Garden 11(2-3):203 (1924) for original description, Phytoneuron 2012-39:1-60 (2012) for revised nomenclature, and Phytoneuron 2012-42:1-4 (2012) for taxonomic treatment.
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 1 July 2025].