University oi Alaska Herbarium (ALA)
Museum ol the North
IHIIHIINIIIIIIIIIIIIIIIIIIIXIII
H1188236
FLORA OF THE SIERRA MADRE OCCIDENTAL, MEXICO
QUERCUS DURIFOLLA von Seem. det. J. Tucker
CHIHUAHUA: mpio. Guachochic. S of Rio Urique,
S of Norogachic; open slope with Pinus
ponderosa, Arctostaphylos pungens and
Euphorbia spp, 2050 m.s.m.; large tree with
shiny leaves; bark dark gray; few trees
on north-facing arroyo slope
22 Aug 1978 Robert A. Bye 8737
ex herb. Colo

