Galium trifidum subsp. trifidum

Native to:

Alaska, Alberta, Altay, Arizona, Austria, Baltic States, British Columbia, Buryatiya, California, Central European Russia, Chita, Colorado, Connecticut, Dominican Republic, East European Russia, Finland, France, Greenland, Haiti, Iceland, Idaho, Illinois, Indiana, Iowa, Irkutsk, Kazakhstan, Krasnoyarsk, Labrador, Maine, Manitoba, Massachusetts, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, Michigan, Minnesota, Montana, Nebraska, Nevada, New Brunswick, New York, Newfoundland, North Dakota, North European Russia, Northwest European Russia, Northwest Territories, Norway, Nova Scotia, Nunavut, Ohio, Oklahoma, Ontario, Oregon, Poland, Prince Edward I., Québec, Saskatchewan, South Dakota, South European Russia, Sweden, Texas, Transcaucasus, Tuva, Türkiye, Ukraine, Utah, Vermont, Washington, West Siberia, Wisconsin, Wyoming, Yakutiya, Yukon

POWO follows these authorities in accepting this name:

• Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia, ed. 2: 1-358. Province of British Columbia.
• Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Kew Backbone Distributions

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
• Borhidi, A. (2006). Rubiáceas de México: 1-512. Akadémiai Kiadó, Budapest.
• Polozhij, A.V. & Peschkova, G.A. (eds.) (2007). Flora of Siberia 12: 1-221. Scientific Publishers, Inc., Enfield, Plymouth.
• Ruhsam, M. (2005). Survey of all the Rubiaceae specimens at the Royal Botanic Gardens, Kew.