Taxon Details

Parnassia parviflora

small-flowered grass-of-Parnassus

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Taxon Summary:

Parnassia parviflora, commonly known as small-flowered grass-of-Parnassus, is a perennial herb in the Parnassiaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 2000 to 2855 meters. Parnassia parviflora is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Parnassia parviflora DC.
Common Name: small-flowered grass-of-Parnassus
Family:	Parnassiaceae
Element Code:	PDSAX0P0A0
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G5?
State Rank:	S2
Other Status:
CRPR Changes: added to 2.2 on 2008-12-10
Add Date:	2008-12-10
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Aug-Sep

Elevation:
2000 - 2855 meters
6560 - 9365 feet

General Habitats:

Meadows and seeps

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes:
Threats: Threatened by grazing.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	20 %
Foot traffic/trampling	1	20%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					5
A	B	C	D	X	U
0	0	0	0	0	5

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	0

Presence:
Presumed Extant	5
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Wyoming (WY)

California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO)

Quads: Name (Quad Code)
Convict Lake (3711857), Mount Tom (3711836), Toms Place (3711856), Tungsten Hills (3711835), White Mtn. Peak (3711863)

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