Species Details

Panicum hirticaule ssp. hirticaule

roughstalk witch grass

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Scientific Name:
Panicum hirticaule J. Presl ssp. hirticaule
Common Name:
roughstalk witch grass
Family: Poaceae
Element Code: PMPOA4K170
USDA Plants Symbol:
Synonyms/Other Names:
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:
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:
Total Occurrences: 18
Element Occurrence Ranks:
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
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.

Map

Presumed Extant
Counties   Quads