Galium x, Retz.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 22

27. G. x pomeranicum Retz. , FI. Scand. Prodr. ed. 2, 34 (1795)

( G. ochroleucum Wolf ex Schweigger = G. album* veruni ).

Like 26 but stems more or less 4-angled below; leaves usually more than 1*5 mm wide, narrowly lanceolate, usually not darkening on drying, usually less hairy beneath; margin less markedly recurved; inflorescence with longer branches, often less hairy; pedicels rather stouter; corolla often more than 3 mm in diameter, bright yellow to whitish; corolla-lobes more or less apiculate. Meadows and roadsides. Most of Europe. All except Az BI?Co Cr Fa?Sa Sb?Si.

Often forming large and variable populations which contain a series of intermediates connecting one parent with the other. It is usually found with the parents, but sometimes (e.g. in Finland and N. Russia) it may occur independently of them.