Sorbus scopulina is a species of rowan that is native to western North America, primarily in the Rocky Mountains. The common name of this species is often given as 'Greene mountain-ash', and is so named in honor of American botanist Edward Lee Greene. Throughout the Cascade Mountains and the Pacific Northwestern portions of this rowan's habitat, it is commonly called Cascade Mountain-ash, sometimes listed as Sorbus scopulina var. cascadensis.
- McAllister, H.A. 2005. The genus Sorbus: Mountain Ash and other Rowans . Kew Publishing.
- Petrides, George A. and Olivia 1998. "Western Trees". Houghton Mifflin Company.
- USDA PLANTS Database
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