Verbatim text: Ogle, D. W. 1991. Spiraea virginiana Britton: I. Delineation and distribution. Castanea 56: 287–296.
Author: Ogle, D.W.
Year: 1991
Title: Spiraea virginiana Britton: I. Delineation and distribution
Journal: Castanea
Volume: 56
Pages: 287–296