You selected Galium debile var. humile Lange. This is a synonym for:

Accepted scientific name:
Galium debile Desv. (accepted name) 1 literature reference for Galium debile Desv.
Synonyms:
Galium congestum Jord. (synonym) 1 literature reference for Galium congestum Jord.
Galium constrictum Chaub. (synonym) 1 literature reference for Galium constrictum Chaub.
Galium creticum Boiss. & Heldr. (synonym) 1 literature reference for Galium creticum Boiss. & Heldr.
Galium debile var. congestum (Jord.) Gren. & Godr. (synonym) 1 literature reference for Galium debile var. congestum (Jord.) Gren. & Godr.
Galium debile var. humile Lange (synonym) 1 literature reference for Galium debile var. humile Lange
Galium fruticosum Sieber ex Boiss. (synonym) 1 literature reference for Galium fruticosum Sieber ex Boiss.
Galium junceum Heldr. ex Boiss. (synonym) 1 literature reference for Galium junceum Heldr. ex Boiss.
Galium krymense Pobed. (synonym) 1 literature reference for Galium krymense Pobed.
Galium palustre Pourr. ex Willk. & Lange (synonym) 1 literature reference for Galium palustre Pourr. ex Willk. & Lange
Galium palustre var. congestum (Jord.) Rouy (synonym) 1 literature reference for Galium palustre var. congestum (Jord.) Rouy
Galium palustre var. constrictum (Chaub.) Rouy (synonym) 1 literature reference for Galium palustre var. constrictum (Chaub.) Rouy
Galium palustre subsp. debile (Desv.) Rouy (synonym) 1 literature reference for Galium palustre subsp. debile (Desv.) Rouy
Galium palustre var. humile (Lange) Rouy (synonym) 1 literature reference for Galium palustre var. humile (Lange) Rouy
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rubiales
Family Rubiaceae
Genus Galium
Distribution: N. Morocco, NW. & S. Europe, Krym, Caucasus, Turkey
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=86183&repSynonym_id=-9998&name_id=86183&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f0ef1012-29c1-102b-9a4a-00304854f820:ac2010