]> Botany [collector note:Allegheny County, PA; CM, GH] Wood, Emily Walker, Boufford, David Edward, Singleton, P., & Pollack, G. Wood, Emily Walker, Boufford, David Edward, Singleton, P., & Pollack, G. E. W. Wood, D. E. Boufford, P. Singleton, & G. Pollack Wood, E. W., Boufford, D. E., Singleton, P., & Pollack, G. Emily Walker Wood, David Edward Boufford, P. Singleton, & G. Pollack