Species Details

Platanthera yosemitensis

Yosemite bog orchid

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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:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2
State Rank:
S2
Other Status: IUCN_EN; SB_CalBG/RSABG; USFS_S
CRPR Changes:
added to 1B.2 on 2007-09-10
Add Date: 2007-09-10
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Jul-Aug
JFMAMJJASOND
Elevation:
2100 - 2285 meters
6890 - 7495 feet
General Habitats:
  • Meadows and seeps
Microhabitat Details: montane
Microhabitat:
  • Granitic
  • Mesic
Notes:
Threatened by foot traffic and vehicles. Possibly threatened by meadow succession, recreational activities, and horticultural collecting. Not in TJM (1993). See MadroƱo 54(1): 86 (2007) for original description.
Threats:
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 4 57 %
THREAT LIST:
Grazing 2 28%
Surface water diversion 1 14%
Foot traffic/trampling 1 14%
Total Occurrences: 7
Element Occurrence Ranks:
A B C D X U
2 0 0 0 0 5
Occurrence Status:
Historical >20 Years 5
Recent <=20 Years 2
Presence:
Presumed Extant 7
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), Mariposa (MPA)
Quads: Name (Quad Code)
El Capitan (3711966), Patterson Mtn. (3611981)
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.
Presumed Extant
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