You selected Dendrobium secundum var. niveum Rchb.f. This is a synonym for:

Accepted scientific name:
Dendrobium secundum (Blume) Lindl. (accepted name) 1 literature reference for Dendrobium secundum (Blume) Lindl.
Synonyms:
Callista bursigera (Lindl.) Kuntze (synonym) 1 literature reference for Callista bursigera (Lindl.) Kuntze
Callista secunda (Blume) Kuntze (synonym) 1 literature reference for Callista secunda (Blume) Kuntze
Dendrobium bursigerum Lindl. (synonym) 1 literature reference for Dendrobium bursigerum Lindl.
Dendrobium heterostigma Rchb.f. (synonym) 1 literature reference for Dendrobium heterostigma Rchb.f.
Dendrobium secundum forma album Valmayor & D.Tiu (synonym) 1 literature reference for Dendrobium secundum forma album Valmayor & D.Tiu
Dendrobium secundum var. niveum Rchb.f. (synonym) 1 literature reference for Dendrobium secundum var. niveum Rchb.f.
Pedilonum bursigerum (Lindl.) Rauschert (synonym) 1 literature reference for Pedilonum bursigerum (Lindl.) Rauschert
Pedilonum secundum Blume (synonym) 1 literature reference for Pedilonum secundum Blume
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Asparagales
Family Orchidaceae
Genus Dendrobium
Distribution: Indo-China to W. & C. Malesia
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=59057&repSynonym_id=-9998&name_id=59057&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f0e3d79c-29c1-102b-9a4a-00304854f820:ac2010