Rubiaceae
4 genera
18 species
1 subspecies and varieties
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Common name
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Cruciata pedemontana
Origin: Introduced
Galium aparine
Origin: Native
Galium bifolium
Origin: Native
Galium boreale
Origin: Native
Galium divaricatum
Distribution: Occurring west of the Cascades crest in Washington;
Origin: Introduced
Galium humifusum
Origin: Introduced from Mediterranean
Galium kamtschaticum
Origin: Native
Galium mexicanum
Distribution: Occurring east of the Cascades crest in Washington;
Origin: Native
Galium mollugo
Origin: Introduced
Galium odoratum
Origin: Introduced from Europe
Galium oreganum
Origin: Native
Galium palustre
Origin: Native
Galium serpenticum
Origin: Native
Galium trifidum
Origin: Native
Galium triflorum
Origin: Native
Galium verum
Origin: Introduced
Kelloggia galioides
Origin: Native
Sherardia arvensis
Origin: Introduced from Mediterranean