摘 要 ：指定了桦木科(Betulaceae)的九龙桦(Betula jiulungensis Hu ex P.C.Li)和天台鹅耳枥(Carpinus tien-taiensis W.C.Cheng)这2个植物名称的后选模式.该2个植物名称发表时,同时指定两号标本为模式,而没指定主模式.
Abstract:Lectotypes are here designated for Betula jiulungensis Hu ex P.C.Li and Carpinus tientaiensis W.C.Cheng(Betulaceae),because two specimens were simultaneously designated as types,but no holotype was indicated in the protologue.