10. Carpinus firmifolia (H.J.P.Winkl.) Hu

Bulletin of the Fan Memorial Institute of Biology n.s. 1(2): 144(Hu 1948a).– C. turczaninovii var. firmifolia H.J.P.Winkl., Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 50 (Suppl.): 505 (Winkler 1914). – C. pubescens var. firmifolia (H.J.P.Winkl.) Hu ex P.C.Li, Flora Reipublicae Popularis Sinicae 21 (2): 80 (Li 1979a). – Type: China, Kui-Tscheu [Guizhou], Ma-jo, fr, Sep. 1908, J. Cavalerie 3135 (holo-: E!; iso-: P04815672!). – Note: accepted as C. firmifolia in the Flora of China (Li & Skvortsov 1999), but listed as a variety in the World Checklist of Fagales (Govaerts & Frodin 1998) .

C. pubescens var. bigiehensis Hu, Acta Phytotaxonomica Sinica 9: 290 (Hu 1964). – Type: China, Kweichow [Guizhou], Bigieh Hsien, Lin-Ku’Gie-Wo, in open woods on rocky cliffs, 1450 m a.s.l., 13 Sep. 1957, P.H. Yü [Yü Pin-Hwa, 禹平华] 810 (holo-: PE; iso-: IBSC0368211, KUN0590865!, LBG00053917, WUK206962). – Note: it was listed as a synonym of C. firmifolia in the Flora of China (Li & Skvortsov 1999).