varieties : [4] [6] Amelanchier alnifolia var. alnifolia . Northeastern part of the species' range. [7] Amelanchier alnifolia var. pumila (Nutt.) A.Nelson. Rocky Mountains , Sierra Nevada . [8] [9] Amelanchier alnifolia var. semiintegrifolia (Hook.) C.L.Hitchc. Pacific coastal regions, Alaska to northwestern California. [10] [11] Cultivation and uses Seedlings are planted with