Taxon Report

Sphenopholis obtusata (Michx.) Scribn.

prairie wedge grass

Print Report

Classification


Scientific Name:	Sphenopholis obtusata (Michx.) Scribn.
Common Name:	prairie wedge grass
Family:	Poaceae
Element Code:	PMPOA5T030
USDA Plants Symbol:	SPOB
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	300-2000 (985-6560)
General Habitats:	Cismontane woodland, Meadows and seeps
Microhabitat:	Mesic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	19
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	18

Location


California Endemic: False
California Counties and Islands: Name (Code)
Amador (AMA), Fresno (FRE), Inyo (INY), Mono (MNO), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)?, Stanislaus (STA), Tulare (TUL)
Quads: Name (Quad Code)
Amador City (3812047), Bridgeport (3811932), Brush Lake (3712151), Chocolate Mtn. (3711748), Crooked Creek (3711841), Cuyamaca Peak (3211685)?, Durrwood Creek (3611814), Fairview (3511884), Fish Springs (3711813), Fontana (3411714), Jackson (3812037), Julian (3311615), Laws (3711843), Mokelumne Hill (3812036), Moonridge (3411627), Mt. Givens (3711931), Mt. Henry (3711827), Mt. Patterson (3811943), Pine Grove (3812046), San Bernardino South (3411713), Santa Ysabel (3311616), Sweetwater Creek (3811942), Tule Springs (3211686), Ward Mountain (3711828)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	1	5 %
Non-native plant impacts	1	5%
Recreational use (non-ORV)	1	5%
Vandalism/dumping/litter	1	5%

Notes



Need quads for Riverside Co. See Rhodora 8(92): 137-146 (1906) for discussion of genus.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].