Piedmont Bedstraw: Cruciata pedemontana (Synonyms: Galium pedemontanum, Vallantia pedemontana) -
Siskiyou Bedstraw: Galium ambiguum var. siskiyouense (Synonyms: Galium ambiguum ssp. siskiyouense, Galium andrewsii, Galium andrewsii ssp. andrewsii) -
Annual Bedstraw, Cleavers, Common Bedstraw, Common Cleavers, Goose-grass, Sticky-willy, Stickwilly: Galium aparine (Synonyms: Galium agreste var. echinospermum, Galium aparine var. aparine, Galium aparine var. echinospermum, Galilum aparine var. vaillantii) -
Low Mountain Bedstraw, Twin-leaf Bedstraw: Galium bifolium -
Bolander's Bedstraw: Galium bolanderi (Synonym: Galium pubens) -
Northern Bedstraw: Galium boreale (Synonym: Galium boreale ssp. septentrionale) -
California Bedstraw: Galium californicum ssp. californicum -
Lamarck's Bedstraw, Spreading Bedstraw: Galium divaricatum -
Castle Lake Bedstraw: Galium glabrescens ssp. glabrescens (Synonym: Galium grayanum ssp. glabrescens) - northern California species
Gray's Bedstraw: Galium grayanum var. nanum -
Boreal Bedstraw: Galium kamtschaticum -
Rough Bedstraw: Galium mexicanum ssp. asperulum (Synonyms: Galium asperrimum, Galium asperulum, Galium filipes, Galium mexicanum var. asperulum) -
False Baby's Breath, False Baby's-breath, White Bedstraw, Wild Madder: Galium mollugo -
Many-flowered Bedstraw, Shrubby Bedstraw: Galium multiflorum var. multiflorum (Synonyms: Galium glabrescens, Galium glabrescens ssp. glabrescens, Galium grayanum ssp. glabrescens) - See Castle Lake bedstraw above.
Humboldt Bedstraw: Galium muricatum -
Sweet-scented Bedstraw, Sweet Woodruff, Waldmeister: Galium odoratum (Synonym: Asperula odorata) -
Oregon Bedstraw: Galium oreganum (Synonym: Galium kamschaticum var. oreganum) -
Common Marsh Bedstraw: Galium palulstre -
Wall Bedstraw: Galium parisiense var. leiocarpum -
Wall Bedstraw: Galium parisiense var. parisiense -
Climbing Bedstraw: Galium porrigens var. porrigens -
Linear-leaved Climbing Bedstraw: Galium porrigens var. tenue (Synonym: Galium nuttallii) -
Intermountain Bedstraw: Galium serpenticum (Synonyms: Galium multiflorum - Misapplied, Galium serpenticum ssp. warnerense)
Rough Corn Bedstraw, Rough-fruited Corn Bedstraw: Galium tricornutum (Synonym: Galium tricorne) -
Small Bedstraw, Three-petal Bedstraw: Galium trifidum (Synonyms: Galium brandegei, Galium cymosum, Galium tinctorium, Galium trifidum ssp. columbianum, Galium trifidum ssp. pacificum, Galium trifidum ssp. subbifolium, Galium trifidum ssp. trifidum, Galium trifidum var. pacificum, Galium trifidum var. pusillum, Galium trifidum var. subbiflorum, Galium trifidum var. tinctorium) -
Fragrant Bedstraw, Sweetscented Bedstraw, Three-flowered Bedstraw: Galium triflorum (Synonyms: Galium brachiatum, Galium pennsylvanicum, Galium triflorum var. asprelliforme, Galium triflorum var. viridiflorum) -
Ladies' Bedstraw, Lady's Bedstraw, Yellow Bedstraw, Yellow Spring Bedstraw: Galium verum -