Cowania mexicana - Image and description of Mexican Cliffrose (also known as Purshia mexicana). www.naturesongs.com/vvplants/cliffrose.html
Purshia mexicana var. stansburiana - Distribution and Occurence; Value and Use; Characteristics; Fire Ecology www.fs.fed.us/database/feis/plants/tree/purmexs
Purshia stansburiana - Images and description of Cliffrose. www.swcoloradowildflowers.com/White%20Enlarged%20Photo%20Pages/purshia.htm
