| Locality | Mpio. Hidalgo: along road from Sta. Engracia (Tamps.) to Dulces Nombres (N. Leon), Arroyo Oscuro, 2.0 road mi NE of Los Caballos toward Canada El Mimbre, 15.0 road mi W of lowermost crossing of arroyo El Mimbre. Mesic cove forest with Carya, Pinus, Pseudotsuga, Quercus, Carpinus, Liquidambar |