You selected Syngonanthus humboldtii var. glabrescens Moldenke. This is a synonym for:

Accepted scientific name:
Syngonanthus humboldtii (Kunth) Ruhland (accepted name) 1 literature reference for Syngonanthus humboldtii (Kunth) Ruhland
Synonyms:
Dupatya fertilis (Körn.) Kuntze (synonym) 1 literature reference for Dupatya fertilis (Körn.) Kuntze
Dupatya humboldtii (Kunth) Kuntze (synonym) 1 literature reference for Dupatya humboldtii (Kunth) Kuntze
Eriocaulon bonplandianum Steud. (synonym) 1 literature reference for Eriocaulon bonplandianum Steud.
Eriocaulon umbellatum Kunth, nom. illeg. (synonym) 1 literature reference for Eriocaulon umbellatum Kunth, nom. illeg.
Paepalanthus fertilis Körn. (synonym) 1 literature reference for Paepalanthus fertilis Körn.
Paepalanthus humboldtii Kunth (synonym) 1 literature reference for Paepalanthus humboldtii Kunth
Syngonanthus fertilis (Körn.) Ruhland (synonym) 1 literature reference for Syngonanthus fertilis (Körn.) Ruhland
Syngonanthus fertilis var. fuscus Moldenke (synonym) 1 literature reference for Syngonanthus fertilis var. fuscus Moldenke
Syngonanthus fertilis var. hirtellus Moldenke (synonym) 1 literature reference for Syngonanthus fertilis var. hirtellus Moldenke
Syngonanthus fertilis var. huberi Moldenke (synonym) 1 literature reference for Syngonanthus fertilis var. huberi Moldenke
Syngonanthus humboldtii var. elongatus Moldenke (synonym) 1 literature reference for Syngonanthus humboldtii var. elongatus Moldenke
Syngonanthus humboldtii var. glabrescens Moldenke (synonym) 1 literature reference for Syngonanthus humboldtii var. glabrescens Moldenke
Syngonanthus humboldtii var. glandulosus Gleason (synonym) 1 literature reference for Syngonanthus humboldtii var. glandulosus Gleason
Syngonanthus humboldtii var. humilis Moldenke (synonym) 1 literature reference for Syngonanthus humboldtii var. humilis Moldenke
Syngonanthus humboldtii var. orinocensis Moldenke (synonym) 1 literature reference for Syngonanthus humboldtii var. orinocensis Moldenke
Infraspecific taxon: Syngonanthus humboldtii var. parvus (Moldenke) Hensold
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Poales
Family Eriocaulaceae
Genus Syngonanthus
Distribution: N. South America to Brazil
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 21-Jun-2005
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=267608&repSynonym_id=-9998&name_id=267608&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:261edb00-60a7-102d-be47-00304854f810:ac2010