1.敦煌小叶杨(新变种)Populus simonii Carr.var.dunhuangensis H.L.Yang et C.F.Fang,var.nov.西北师范学院学报 1982,(2):128,nom.nud.A varietate typica differt foliis angustayis longisque,elliptico-lanceolatisvei lato-lanceo-latis,5~8 cm.longis,1.5~2. 5 cm.latis,rhachidibus pubescentibus.Gansu:Dunhuang(敦煌),Prope Megaoku(莫高窟),habitat ad margines agrorum,15.Ⅵ.1979.H.L.Yang et al.No.79512(Typus in Herb.Inst.Desert.Res.Acad.Sin.con-servatur.)Haec varitas nova P.simonii var.liaotungensi(Wang et Skv.)Wang et Tung affinis。