translate English to French: USGS Northern Prairie Wildlife Research Center web site (Accessed January 30, 2005): http://www.npwrc.usgs.gov/resource/plants/wildflwr/species/agalaspe.htm Neel, Maile C. 2002.
Site Web : http://www.npwrc.usgs.gov/resource/plants/wildflwr/species/agalaspe.htm (consulté le 30 janvier 2005). Neel, Maile C. 2002.