You selected Calypso bulbosa subsp. occidentalis (Holz.) Calder & R.L.Taylor. This is a synonym for:

Accepted scientific name:
Calypso bulbosa var. occidentalis (Holz.) Cockerell (accepted name) 1 literature reference for Calypso bulbosa var. occidentalis (Holz.) Cockerell
Synonyms:
Calypso bulbosa forma nivea P.M.Br. (synonym) 1 literature reference for Calypso bulbosa forma nivea P.M.Br.
Calypso bulbosa subsp. occidentalis (Holz.) Calder & R.L.Taylor (synonym) 1 literature reference for Calypso bulbosa subsp. occidentalis (Holz.) Calder & R.L.Taylor
Calypso bulbosa forma occidentalis Holz. (synonym) 1 literature reference for Calypso bulbosa forma occidentalis Holz.
Calypso occidentalis (Holz.) A.Heller (synonym) 1 literature reference for Calypso occidentalis (Holz.) A.Heller
Cytherea bulbosa var. occidentalis (Holz.) Cockerell (synonym) 1 literature reference for Cytherea bulbosa var. occidentalis (Holz.) Cockerell
Cytherea occidentalis (Holz.) A.Heller (synonym) 1 literature reference for Cytherea occidentalis (Holz.) A.Heller
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Asparagales
Family Orchidaceae
Genus Calypso
Species Calypso bulbosa
Distribution: SE. Alaska to W. U.S.A.
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=32244&repSynonym_id=-9998&name_id=32244&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f648efd8-29c1-102b-9a4a-00304854f820:ac2010