CNPS Inventory Plant Detail

Poa sierrae

Common Name:	Sierra blue grass
Family:	Poaceae
Synonyms:
Element Code:	PMPOA4Z310
Full Name:	Poa sierrae J.T. Howell
USDA PLANTS Symbol:	POSI6

Biology
Lifeform: perennial rhizomatous herb Blooming Period: April - June Habitat: Openings. • Lower montane coniferous forest

Rarity Status
Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2S3 S2: Imperiled. S3: Vulnerable. Global Rank: G2G3 G2: Imperiled. G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 15
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 15

Population Status:

Historic >20 yrs	Recent <=20 yrs
14	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
15	0	0

Notes
Possibly threatened by road maintenance. See The Wasmann Journal of Biology 37:1&2 (1979) for original description. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 2010-06-25 Last Update: 2012-11-06

Location

Elevation: 365 - 1500 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Butte (BUT), Madera (MAD), Nevada (NEV), Placer (PLA), Plumas (PLU), Shasta (SHA)

Quads: name (DWR code) USGS code
Robbs Peak (524B) 38120H4, Devil Peak (525A) 38120H5, Tunnel Hill (525B) 38120H6, Michigan Bluff (540C) 39120A6, Greek Store (540D) 39120A5, Dutch Flat (541A) 39120B7, Colfax (541C) 39120A8, Washington (557D) 39120C7, Cascade (574B) 39121F2, Brush Creek (575A) 39121F3, Berry Creek (575B) 39121F4, Storrie (591A) 39121H3, Pulga (591C) 39121G4, Soapstone Hill (591D) 39121G3, Montgomery Creek (663C) 40121G8, Devils Rock (664D) 40122G1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

2378

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora Consortium of California Herbaria CalPhotos California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].

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