]> Botany [collector note: SE United States, 1982: A, CAS, KYO, MICH, MHA, MO, PE, TI] Boufford, David Edward, Bartholomew, B. & Spongberg, S. A. Boufford, David Edward, Bartholomew, B. & Spongberg, S. A. D. E. Boufford, B. Bartholomew & S. A. Spongberg