Taxon Details

Erythranthe diffusa

Palomar monkeyflower

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Ron Vanderhoff, 2019

Taxon Summary:

Erythranthe diffusa, commonly known as Palomar monkeyflower, is a annual herb in the Phrymaceae that is found in California and elsewhere. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 1220 to 1830 meters. Erythranthe diffusa is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Erythranthe diffusa (A.L. Grant) N.S. Fraga
Common Name: Palomar monkeyflower
Family:	Phrymaceae
Element Code:	PDSCR1B0Z0
USDA Plants Symbol:
Synonyms/Other Names: Mimulus diffusus
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun

Elevation:
1220 - 1830 meters
4005 - 6005 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Gravelly (sometimes)
Sandy (sometimes)

Notes

Notes: Threatened by recreational activities and development. See Annals of the Missouri Botanical Garden 11(2-3):254 (1925) for original description, Phytoneuron 2012-39:1-60 (2012) for revised nomenclature, and Aliso 30(1):49-68 (2012) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG), Santa Clara (SCL)

Quads: Name (Quad Code)
Alberhill (3311764), Bachelor Mtn. (3311751), Beauty Mountain (3311646), Blackburn Canyon (3311667), Boucher Hill (3311638), Butterfly Peak (3311655), Campo (3211654), Chilao Flat (3411831), Corona South (3311775), Cuyamaca Peak (3211685), Descanso (3211675), Encinitas (3311713), Gilroy (3712115), Hemet (3311668), Hot Springs Mtn. (3311635), Idyllwild (3311666), Jacumba (3211662), Jamul Mountains (3211668), Lake Fulmor (3311677), Live Oak Springs (3211663), Margarita Peak (3311744), Monument Peak (3211684), Morena Reservoir (3211665), Murrieta (3311752), National City (3211761), Palm View Peak (3311665), Palomar Observatory (3311637), Pechanga (3311741), Potrero (3211655), Rancho Mirage (3311664), Rodriquez Mtn. (3311628), Sage (3311658), San Clemente (3311745), San Jacinto Peak (3311676), San Vicente Reservoir (3211688), Santa Ysabel (3311616), Santiago Peak (3311765), Sitton Peak (3311754), Tecate (3211656), Tule Springs (3211686), Vail Lake (3311648), Valley Center (3311721), Viejas Mountain (3211676), Warner Springs (3311636), Wildomar (3311753)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory