Species Details

Parnassia cirrata var. intermedia

Cascade grass-of-Parnassus

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Photo of Parnassia cirrata var. intermedia

Classification

Scientific Name: Parnassia cirrata Piper var. intermedia (Rydb.) P.K. Holmgren & N.H. Holmgren
Common Name: Cascade grass-of-Parnassus
Family:	Parnassiaceae
Element Code:	PDSAX0P0E1
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	GNRTNR
State Rank:	S3
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes: changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2007-09-19
Add Date:	2007-09-19
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Jul)Aug-Sep(Oct)

Elevation:
780 - 1980 meters
2560 - 6495 feet

General Habitats:

Bogs and fens
Meadows and seeps

Microhabitat Details: Rocky serpentine soil

Microhabitat:

Rocky
Serpentine

Notes

Notes: Possibly threatened by grazing, recreational activities, vehicles, and logging. Synonymous with P. fimbriata var. intermedia, P. fimbriata var. hoodiana, and P. intermedia. Not in The Jepson Manual (1993). See Intermountain Flora 3A: 61 (1997) for description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	21	68 %
Logging	19	61%
Recreational use (non-ORV)	5	16%
Road/trail construction/maint.	4	12%
Foot traffic/trampling	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					31
A	B	C	D	X	U
7	16	1	0	0	7

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	26

Presence:
Presumed Extant	31
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Trinity (TRI)

Quads: Name (Quad Code)
Caribou Lake (4112218), Chicken Hawk Hill (4112214), Covington Mill (4012287), Dunsmuir (4112223), Mount Eddy (4112234), Mumbo Basin (4112225), Scott Mountain (4112236), Seven Lakes Basin (4112224), Siligo Peak (4012288), Whisky Bill Peak (4112215)

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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Selected References

CNPS Status Review:	CRPR List Addition on 2007-09-19
Other:	USFS Potential Species of Conservation Concern Profile