Taxon Details

Poa piperi

Piper's blue grass

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Taxon Summary:

Poa piperi, commonly known as Piper's blue grass, is a perennial rhizomatous herb in the Poaceae that is found in California and elsewhere. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 100 to 1460 meters. Poa piperi is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Poa piperi Hitchc.
Common Name: Piper's blue grass
Family:	Poaceae
Element Code:	PMPOA4Z200
USDA Plants Symbol:	POPI2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Apr-May

Elevation:
100 - 1460 meters
330 - 4790 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky
Serpentine

Notes

Notes: On watch list in OR. See Illustrated Flora of the Pacific States 1:201 (1923) by L. Abrams for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Del Norte (DNT)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Hurdygurdy Butte (4112377), Ship Mountain (4112367)

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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CNPS Rare Plant Inventory