Species Details

Poa sierrae

Sierra blue grass

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Classification

Scientific Name: Poa sierrae J.T. Howell
Common Name: Sierra blue grass
Family:	Poaceae
Element Code:	PMPOA4Z310
USDA Plants Symbol:	POSI6
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	BLM_S; USFS_S
CRPR Changes: changed from CBR to 1B.3 on 2010-06-10 Considered But Rejected on 1984-09-01
Add Date:	2010-06-10
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Apr-Jul

Elevation:
365 - 1500 meters
1200 - 4920 feet

General Habitats:

Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Openings

Notes

Notes: Possibly threatened by road maintenance. See The Wasmann Journal of Biology 37:1&2 (1979) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	15
	Total EOs	% of EOs
EOs with Threat Listed:	75	58 %
Logging	38	29%
Road/trail construction/maint.	32	24%
Erosion/runoff	10	7%
Grazing	8	6%
Improper burning regime	7	5%
Other	7	5%
Foot traffic/trampling	6	4%
ORV activity	5	3%
Wood cutting or brush clearing	5	3%
Recreational use (non-ORV)	4	3%
Mining	4	3%
Non-native plant impacts	3	2%
Biocides	2	1%
Dam/Inundation	1	0%
Vandalism/dumping/litter	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					129
A	B	C	D	X	U
15	51	10	6	0	47

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	119

Presence:
Presumed Extant	129
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Butte (BUT), El Dorado (ELD), Nevada (NEV), Placer (PLA), Plumas (PLU), Shasta (SHA), Sierra (SIE)

Quads: Name (Quad Code)
Alleghany (3912047), Berry Creek (3912164), Blue Canyon (3912036), Brush Creek (3912163), Cascade (3912162), Chicago Park (3912028), Colfax (3912018), Devil Peak (3812085), Devils Rock (4012271), Dogwood Peak (3912171), Downieville (3912057), Duncan Peak (3912025), Dutch Flat (3912027), Forbestown (3912153), Foresthill (3912017), Georgetown (3812087), Greek Store (3912015), Michigan Bluff (3912016), Montgomery Creek (4012178), Pulga (3912174), Robbs Peak (3812084), Soapstone Hill (3912173), Storrie (3912183), Tunnel Hill (3812086), Washington (3912037), Westville (3912026)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Addition on 2010-06-10