Taxon Details

Muhlenbergia jonesii

Jones' muhly

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Taxon Summary:

Muhlenbergia jonesii, commonly known as Jones' muhly, is a perennial herb in the Poaceae that is found only in California. It occurs within Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 1130 to 2160 meters. Muhlenbergia jonesii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Muhlenbergia jonesii (Vasey) Hitchc.
Common Name: Jones' muhly
Family:	Poaceae
Element Code:	PMPOA480X0
USDA Plants Symbol:	MUJO
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Aug(Sep)

Elevation:
1130 - 2160 meters
3710 - 7085 feet

General Habitats:

Lower montane coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by vehicles and trail maintenance. See Botanical Gazette 6:297 (1881) for original description, Flora of California 1:111 (1912) by W.L. Jepson for revised nomenclature, and Brittonia 50(1):39 (1998) 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)
California (CA)

California Counties and Islands: Name (Code)
El Dorado (ELD), Lassen (LAS), Plumas (PLU)

Quads: Name (Quad Code)
Bogard Buttes (4012152), Homewood (3912012), Red Cinder (4012142), Swain Mountain (4012141), Westwood West (4012131)

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