Anonymous (mo) - C. F. Millspaugh (botany) - C. R. Orcutt (botany) - Charles Russell Orcutt (mo) - Christenhusz Mjm; Proctor Gr; Commock T (botany) - Curtis Gates Lloyd (mo) - Fisher - G. F. Curtiss (botany) - G. Goodfriend (botany) - G.l. (p) - Joseph R. Churchill (mo) - M. M. Metcalf (mo) - Marshall R. Crosby|henry A. Hespenheide|william R. Anderson (mo) - Robert W Baxter (kanu) - W. R. Maxon & E. P. Killip (botany)