CNPS Inventory Plant Detail

Cypripedium californicum

Common Name:	California lady's-slipper
Family:	Orchidaceae
Synonyms:
Element Code:	PMORC0Q040
Full Name:	Cypripedium californicum Gray
USDA PLANTS Symbol:	CYCA4

Biology
Lifeform: perennial rhizomatous herb Blooming Period: April - August Habitat: seeps and streambanks, usually serpentinite. • Bogs and fens • Lower montane coniferous forest

Rarity Status
CA Rare Plant Rank: 4.2 Uncommon in California .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S3.2 S3: Vulnerable. .2: Threatened. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences:
Element Occurrence Ranks:

A B C D X U

Population Status:

Historic >20 yrs	Recent <=20 yrs

Presence:

Present Extant	Possibly Extirpated	Extirpated

This data is not available for all Rare Plant Rank 3 and 4 plants.

Notes

Threatened by horticultural collecting and logging. Many protected populations on USFS land not reproducing. On watch list in OR. See Proceedings of the American Academy of Arts and Sciences 7:389 (1868) for original description, and Fremontia 17(2):17-19 (1989) and The Wild Orchids of California, p. 62-64 (1995) by R. Coleman for species accounts.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1980-01-01
Last Update: 2010-03-15

Location

Elevation: 30 - 2750 meters

California Endemic: no

States: California, Oregon

California Counties and Islands: name (code)
Butte (BUT), Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Marin (MRN) *, Plumas (PLU), Shasta (SHA), Siskiyou (SIS), Sonoma (SON), Trinity (TRI)

Quads: name (DWR code) USGS code
La Porte (573B) 39120F8, Strawberry Valley (574D) 39121E1, Almanor (606B) 40121B2, Caribou (606C) 40121A2, Tangle Blue Lake (683B) 41122B6, Whisky Bill Peak (683D) 41122A5, Kangaroo Mtn. (736B) 41123H2, Gasquet (739C) 41123G8

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.

Quad data is not available for all List 3 and 4 plants. For those that do contain this data, it has not been quality controlled and is potentially incomplete, inaccurate, and/or out of date. Please use caution when referencing this information. We are currently working hard to maintain this data and hope to provide accurate and up to date information in the near future.

Presumed Extant

Presumed Extirpated or Unknown

544

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.5,41.0