You selected Galium fragile Pourr. ex DC. This is a synonym for:

Accepted scientific name:
Galium murale (L.) All. (accepted name) 1 literature reference for Galium murale (L.) All.
Synonyms:
Aparinanthus muralis (L.) Fourr. (synonym) 1 literature reference for Aparinanthus muralis (L.) Fourr.
Aparine minima (Roem. & Schult.) All. ex DC. (synonym) 1 literature reference for Aparine minima (Roem. & Schult.) All. ex DC.
Aspera nutans Moench (synonym) 1 literature reference for Aspera nutans Moench
Galium apsheronicum Pobed. (synonym) 1 literature reference for Galium apsheronicum Pobed.
Galium calvipes Pau (synonym) 1 literature reference for Galium calvipes Pau
Galium filiforme (Aiton) Roem. & Schult. (synonym) 1 literature reference for Galium filiforme (Aiton) Roem. & Schult.
Galium fragile Pourr. ex DC. (synonym) 1 literature reference for Galium fragile Pourr. ex DC.
Galium minimum Roem. & Schult. (synonym) 1 literature reference for Galium minimum Roem. & Schult.
Sherardia muralis L. (synonym) 1 literature reference for Sherardia muralis L.
Valantia filiformis Aiton (synonym) 1 literature reference for Valantia filiformis Aiton
Valantia rupestris Lam. (synonym) 1 literature reference for Valantia rupestris Lam.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rubiales
Family Rubiaceae
Genus Galium
Distribution: Macaronesia, Medit. to Iran
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=86930&repSynonym_id=-9998&name_id=86930&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f14380d4-29c1-102b-9a4a-00304854f820:ac2010