(Cham.) Reichenb.
Identity
Unique IDELEMENT_GLOBAL.2.144177
Element CodePMORC1Y030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
CITESAppendix II
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderOrchidales
FamilyOrchidaceae
GenusPlatanthera
Other Common NamesPlatanthère de Choris (FR)
Concept ReferenceKartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic CommentsA distinct species, recognized as such by Kartesz, 1994. Asiatic plant (var. elata) is taller, many-flowered, and grows in meadows and birch forests.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-09-01
Change Date2016-09-01
Edition Date1987-07-23
Edition AuthorsDeLapp, J. (Ogle, Y.) rev. L. Morse (1994), rev. AKHP (1995)
Range Extent20,000-2,500,000 square km (about 8000-1,000,000 square miles)
Number of Occurrences21 to >300
Rank ReasonsNot very widespread, occurs in specialized habitat. Has been found in many additional locations in Alaska when actively sought. Its habitat in South Coastal Alaska is fairly common and more populations likely exist. Also in BC, WA.
Range Extent CommentsAlaska (Juneau, Prince William Sound, Cleveland Penninsula), Aleutian Islands (Adak, Atka, Atu, and Unalaska), British Columbia (Vancouver and Queen Charlotte Islands), and Washington. Japan and Kamchatka Peninsula (var. elatior). Also presumably in Russia.
Occurrences CommentsKnown from three sites in Washington, at least 20 occurrences in coastal southern Alaska and the Aleutians. Many more likely exist in Alaska. Also in British Columbia.
Threat Impact CommentsUnknown, inventory needed.