Not an accepted name (status: unknown).
The accepted name is
Amelanchier arborea (F.Michx.) Fernald, 1941.
Amelanchier arborea var. austromontana
(Ashe) H.E.Ahles, 1964
0% complete
No common name
J. Elisha Mitchell Sci. Soc. 80: 172 (1964)
There is no corrections for Amelanchier arborea var. austromontana yet.