Taxon Report

Platanthera yosemitensis A. Colwell, C. Sheviak, and P. Moore

Yosemite bog orchid

Print Report

Classification


Scientific Name:	Platanthera yosemitensis A. Colwell, C. Sheviak, and P. Moore
Common Name:	Yosemite bog orchid
Family:	Orchidaceae
Element Code:	PMORC1Y1B0
USDA Plants Symbol:	PLYO2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	2100-2285 (6890-7495)
General Habitats:	Meadows and seeps
Microhabitat:	Granitic, Mesic
Microhabitat Details:	montane

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	IUCN_EN; SB_CalBG/RSABG; USFS_S
CRPR Changes:	added to 1B.2 on 2007-09-10

Occurrence Data from the CNDDB


Total Occurrences:	7
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: True
California Counties and Islands: Name (Code)
Fresno (FRE), Mariposa (MPA)
Quads: Name (Quad Code)
El Capitan (3711966), Patterson Mtn. (3611981)

Threat List Data from the CNDDB


Threat List Total:	3
EOs with Threat Listed:	Total EOs	% of EOs
	4	57 %
Grazing	2	28%
Surface water diversion	1	14%
Foot traffic/trampling	1	14%

Notes



Threatened by foot traffic and vehicles. Possibly threatened by meadow succession, recreational activities, and horticultural collecting. Not in TJM (1993). See Madroño 54(1): 86 (2007) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2007-09-10

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].