Species Details

Panicum hirticaule ssp. hirticaule

roughstalk witch grass

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Classification

Scientific Name: Panicum hirticaule J. Presl ssp. hirticaule
Common Name: roughstalk witch grass
Family:	Poaceae
Element Code:	PMPOA4K170
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G5T5
State Rank:	S2
Other Status:
CRPR Changes: added to 2B.1 on 2013-08-28
Add Date:	2013-08-28
Date Edited:	2022-11-21

Ecology and Life History

Lifeform: annual herb
Blooming Period: Aug-Dec
Elevation: 45 - 1315 meters 150 - 4315 feet
General Habitat: Desert dunes Joshua tree "woodland" Mojavean desert scrub Sonoran desert scrub
General Micro Habitat: depressions, silt
Micro Habitat: Sandy

Notes

Notes: Many occurrences historical; need field surveys. Seriously threatened by solar and wind energy development. Threatened by urbanization. Similar to P. capillare and P. miliaceum ssp. miliaceum. See Reliquiae Haenkeanae 1(4-5):308 (1830) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					18
A	B	C	D	X	U
3	0	1	1	0	13

Occurrence Status:
Historical >20 Years	4
Recent <=20 Years	14

Presence:
Presumed Extant	18
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Nevada (NV), New Mexico (NM), Sonora, Mexico (SO), South America (SA), Texas (TX)

California Counties and Islands: Name (Code)
Imperial (IMP), Riverside (RIV), San Bernardino (SBD)

Quads: Name (Quad Code)
Yuma East (3211465), Amos (3311513), Castle Peaks (3511532), Clarks Pass (3411515), Clyde (3211488), Coyote Wells (3211568), East of Aztec Mines (3311551), Glamis (3211581), Hart Peak (3511531), Hayfield (3311566), Hayfield Spring (3311565), Hopkins Well (3311458), Roosevelt Mine (3311457), San Bernardino Wash (3311586), Yuma West (3211466)

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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Counties Quads

Selected References

CNPS Status Review:

CRPR List Addition on 2013-08-28