Species Details

Diplacus johnstonii

Johnston's monkeyflower

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Classification

Scientific Name: Diplacus johnstonii (A.L. Grant) G.L. Nesom
Common Name: Johnston's monkeyflower
Family:	Phrymaceae
Element Code:	PDSCR1B1H0
USDA Plants Symbol:
Synonyms/Other Names: Mimulus johnstonii

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:	SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-09-27

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Aug

Elevation:
975 - 2920 meters
3200 - 9580 feet

General Habitats:

Lower montane coniferous forest (disturbed areas, gravelly, roadsides, rocky, scree)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known only from the San Gabriel and San Bernardino Mtns. Hybridizes with D. constrictus in the Western Transverse Ranges. See Annals of the Missouri Botanical Garden 11:280 (1924) for original description, Systematic Botany Monographs 75:99 (2005) for taxonomic treatment, and Phytoneuron 2012-39:1-60 (2012) for revised nomenclature..
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)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD), Santa Barbara (SBA), Ventura (VEN)

Quads: Name (Quad Code)
Apache Canyon (3411973), Cajon (3411734), Chilao Flat (3411831), Condor Peak (3411832), Crystal Lake (3411737), Cucamonga Peak (3411725), Cuyama Peak (3411974), Fawnskin (3411638), Fifteenmile Valley (3411741), Forest Falls (3411618), Juniper Hills (3411748), Littlerock (3411758), Mescal Creek (3411746), Mount San Antonio (3411736), Mt. Wilson (3411821), Pacifico Mountain (3411841), Phelan (3411745), San Rafael Mtn. (3411967), Sunland (3411833), Telegraph Peak (3411735), Valyermo (3411747), Waterman Mtn. (3411738), White Water (3311686)

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