Quercus rysophylla Weath. Quercus rysophylla Weath. in Proc. Amer. Acad. 45: 423. 1910 sec. Valencia-Avalos & al. 2017=Quercus sierramadrensis C.H. Mull. in Amer. Midl. Naturalist 27(2): 478–479. 1942 syn. sec. ???