You selected Cyperus articulatus var. erythrostachys Graebn. This is a synonym for:

Accepted scientific name:
Cyperus articulatus L. (accepted name) 1 literature reference for Cyperus articulatus L.
Synonyms:
Chlorocyperus articulatus (L.) Rikli (synonym) 1 literature reference for Chlorocyperus articulatus (L.) Rikli
Chlorocyperus cordobensis Palla (synonym) 1 literature reference for Chlorocyperus cordobensis Palla
Cyperus articulatus Benth., nom. illeg. (synonym) 1 literature reference for Cyperus articulatus Benth., nom. illeg.
Cyperus articulatus var. conglomeratus Britton (synonym) 1 literature reference for Cyperus articulatus var. conglomeratus Britton
Cyperus articulatus var. erythrostachys Graebn. (synonym) 1 literature reference for Cyperus articulatus var. erythrostachys Graebn.
Cyperus articulatus var. fistulosus Kük. (synonym) 1 literature reference for Cyperus articulatus var. fistulosus Kük.
Cyperus articulatus forma longispiculosus Kük. (synonym) 1 literature reference for Cyperus articulatus forma longispiculosus Kük.
Cyperus articulatus var. multiflorus Kük. (synonym) 1 literature reference for Cyperus articulatus var. multiflorus Kük.
Cyperus articulatus var. nodosus (Humb. & Bonpl. ex Willd.) Kük. (synonym) 1 literature reference for Cyperus articulatus var. nodosus (Humb. & Bonpl. ex Willd.) Kük.
Cyperus autumnalis Pursh, nom. illeg. (synonym) 1 literature reference for Cyperus autumnalis Pursh, nom. illeg.
Cyperus borbonicus Steud. (synonym) 1 literature reference for Cyperus borbonicus Steud.
Cyperus cordobensis (Palla) Hicken (synonym) 1 literature reference for Cyperus cordobensis (Palla) Hicken
Cyperus corymbosus var. subnodosus (Nees & Meyen) Kük. (synonym) 1 literature reference for Cyperus corymbosus var. subnodosus (Nees & Meyen) Kük.
Cyperus fistulosus Ehrenb. ex Boeckeler (synonym) 1 literature reference for Cyperus fistulosus Ehrenb. ex Boeckeler
Cyperus gymnos Schult. (synonym) 1 literature reference for Cyperus gymnos Schult.
Cyperus interceptus Steud. (synonym) 1 literature reference for Cyperus interceptus Steud.
Cyperus niloticus Forssk. (synonym) 1 literature reference for Cyperus niloticus Forssk.
Cyperus nodosus Humb. & Bonpl. ex Willd. (synonym) 1 literature reference for Cyperus nodosus Humb. & Bonpl. ex Willd.
Cyperus nodosus var. aphyllus Boeckeler (synonym) 1 literature reference for Cyperus nodosus var. aphyllus Boeckeler
Cyperus nodosus var. subnodosus (Nees & Meyen) Boeckeler (synonym) 1 literature reference for Cyperus nodosus var. subnodosus (Nees & Meyen) Boeckeler
Cyperus pertenuis Roxb. (synonym) 1 literature reference for Cyperus pertenuis Roxb.
Cyperus subarticulatus Nees & Meyen (synonym) 1 literature reference for Cyperus subarticulatus Nees & Meyen
Cyperus subnodosus Nees & Meyen (synonym) 1 literature reference for Cyperus subnodosus Nees & Meyen
Papyrus pangorei Nees (synonym) 1 literature reference for Papyrus pangorei Nees
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Poales
Family Cyperaceae
Genus Cyperus
Distribution: Trop. & Subtrop.
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=235716&repSynonym_id=-9998&name_id=235716&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:26040e24-60a7-102d-be47-00304854f810:ac2010