Salix occidentalis Walter. Phen: Mar-May; Apr-early Jun. Hab: Barrens, glades, rocky or hardpan woodlands, prairies, powerline rights-of-way, rarely in depression ponds, especially over mafic (such as amphibolite), ultramafic (such as olivine), or calcareous rocks. Dist: This species is less widespread than the related S. humilis, with a distribution centered in the central Appalachians: ME to ND, south to GA, LA, and OK.
Origin/Endemic status: Native
Synonymy: = C, NE, Va; = Salix humilis Marshall var. microphylla (Andersson) Fernald – F, GrPl, Il, W, Argus (1986); = Salix humilis Marshall var. tristis (Aiton) Griggs – Ar, FNA7, K1, K3, K4, Mi, NY, Pa; = Salix tristis Aiton – G, S, WV; < Salix humilis Marshall – GW2, RAB