You selected Galium ambiguum W.Wight. This is a synonym for:

Accepted scientific name:
Galium stebbinsii ined. (accepted name)
Synonyms:
Galium ambiguum W.Wight (synonym) 1 literature reference for Galium ambiguum W.Wight
Infraspecific taxon: Galium stebbinsii subsp. siskiyouense (Ferris) ined.
Galium stebbinsii subsp. stebbinsii
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rubiales
Family Rubiaceae
Genus Galium
Distribution: British Columbia to California
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=87566&repSynonym_id=-9998&name_id=87566&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f14ed2c2-29c1-102b-9a4a-00304854f820:ac2010