You selected Galium papillosum subsp. helodes (Hoffmanns. & Link) Malag. ex Ortega Oliv. & Deves. This is a synonym for:

Accepted scientific name:
Galium helodes Hoffmanns. & Link (accepted name) 1 literature reference for Galium helodes Hoffmanns. & Link
Synonyms:
Galium papillosum subsp. helodes (Hoffmanns. & Link) Malag. ex Ortega Oliv. & Deves (synonym) 1 literature reference for Galium papillosum subsp. helodes (Hoffmanns. & Link) Malag. ex Ortega Oliv. & Deves
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rubiales
Family Rubiaceae
Genus Galium
Distribution: Portugal, NW. Spain
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=86472&repSynonym_id=-9998&name_id=86472&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f13e0654-29c1-102b-9a4a-00304854f820:ac2010