You selected Galium asprellum var. typicum Maxim. This is a synonym for:

Accepted scientific name:
Galium asprellum Michx. (accepted name) 1 literature reference for Galium asprellum Michx.
Synonyms:
Galium asprellum var. typicum Maxim. (synonym) 1 literature reference for Galium asprellum var. typicum Maxim.
Galium micranthum Pursh (synonym) 1 literature reference for Galium micranthum Pursh
Galium pennsylvanicum Muhl. ex Schult. (synonym) 1 literature reference for Galium pennsylvanicum Muhl. ex Schult.
Galium spinulosum Raf. (synonym) 1 literature reference for Galium spinulosum Raf.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rubiales
Family Rubiaceae
Genus Galium
Distribution: E. Canada, C. & E. 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=85755&repSynonym_id=-9998&name_id=85755&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f10cca6c-29c1-102b-9a4a-00304854f820:ac2010