]> Botany [Collected in Wyoming] Pammel, Louis Hermann, Johnson, Charles Pierpont, Lummis, G. M. & Buchanan, Robert Earle Pammel, Louis Hermann, Johnson, Charles Pierpont, Lummis, G. M. & Buchanan, Robert Earle L. H. Pammel, C. P. Johnson, G. M. Lummis & R. E. Buchanan