Typification of infrageneric names in Ulmus L. (Ulmaceae) Author Whittemore, Alan T. text Phytotaxa 2017 2017-03-01 297 3 291 294 http://dx.doi.org/10.11646/phytotaxa.297.3.11 journal article 10.11646/phytotaxa.297.3.11 1179-3163 13695567 Ulmus section Trichoptelea C.K.Schneid., Oesterr. Bot. Z. 66: 25, 27. 1916 Holotype : — Ulmus serotina Sarg. Notes :— Ulmus serotina is the only species cited in the protologue.