Species Details

Muhlenbergia appressa

appressed muhly

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Classification

Scientific Name: Muhlenbergia appressa C. Goodd.
Common Name: appressed muhly
Family:	Poaceae
Element Code:	PMPOA48020
USDA Plants Symbol:	MUAP
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:
CRPR Changes: changed from 2.2 to 2B.2 on 2013-06-12
Add Date:	1994-01-01
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
20 - 1600 meters
65 - 5250 feet

General Habitats:

Coastal scrub
Mojavean desert scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Known in CA only from Providence Mtns. (SBD Co.), and SCM Isl.; has this taxon been poorly collected in CA? See Journal of the Washington Academy of Sciences 31:504 (1914) for original description, and Madroño 35(4):353 (1988) for discussion of SCM Isl. records.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	2	7 %
Grazing	2	6%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					29
A	B	C	D	X	U
0	0	0	0	0	29

Occurrence Status:
Historical >20 Years	17
Recent <=20 Years	12

Presence:
Presumed Extant	29
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

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

California Counties and Islands: Name (Code)
Los Angeles (LAX), San Bernardino (SBD), San Diego (SDG)

Quads: Name (Quad Code)
Castle Peaks (3511532), Columbia Mtn. (3511514), Fountain Peak (3411585), Indian Cove (3411612), Julian (3311615), Ord Mountain (3411667), Pilot Knob (3511742), San Clemente Island Central (3211874), San Clemente Island South (3211873)

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