Taxon Details

Diplacus cusickioides

Cusick's monkeyflower

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Taxon Summary:

Diplacus cusickioides, commonly known as Cusick's monkeyflower, is a annual herb in the Phrymaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Lower montane coniferous forest, growing at elevations from 600 to 1830 meters. Diplacus cusickioides is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Diplacus cusickioides Nesom
Common Name: Cusick's monkeyflower
Family:	Phrymaceae
Element Code:	PDSCR220E0
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G4G5
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Aug

Elevation:
600 - 1830 meters
1970 - 6005 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Gravelly
Roadsides
Scree
Volcanic

Notes

Notes: Known in CA only from the southern Warner Mtns. Previously included within D. cusickii, which is now recognized as a narrow endemic primarily of Malheur Co. OR. See Phytoneuron 2013-65:1-18 (2013) for original description and distinction from D. cusickii.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	25 %
Altered flood/tidal/hydrologic regime	1	12%
Grazing	1	12%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
0	1	0	0	0	7

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	0

Presence:
Presumed Extant	8
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Modoc (MOD)

Quads: Name (Quad Code)
Eagle Peak (4112032), Hermit Butte (4112037), Payne Peak (4112053), Shields Creek (4112043), Soup Creek (4112033), Warren Peak (4112042)

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

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CNPS Rare Plant Inventory