21Q MISC. PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 
ftuercus gravesii Sudw. Grave's oak. 
Q. tewana chisosensis Sarg., Q. chisosensls Sarg. 
Range: 11. 
Site : Dry, well-drained, sun. 
Fruit : Acorn, biennial. 
A small to large tree. 
duercus grisea Liebm. Gray oak. 
Range : 11, 14, 16, 17. 
Site: Dry, well-drained, sun. 
Fruit : Acorn, annual. 
A large shrub or rarely a small tree ; partially evergreen ; clump forming, 
bears great quantities of nut galls ; wood useful only for fuel ; very resistant 
to drought. 
Obsei'vations: Viosca's pigeon, thick-billed parrot; Sonora deer, Arizona porcu- 
pine. An important local browse for livestock. 
Quercus gnnnisonii (Torr.) Rydb. 
Q. alba gnnnisonii Torr., Q. gmndelii gunnisonii Wenz. 
Range : 11, 13, 14. 
Site : Dry, well-drained, sun. 
Fruit : Acorn, annual. 
A small to large shrub or small tree. 
ftuercus hastata, see Quercus emoryi. 
Qnercus havardii Rydb. Shinnery oak. 
Range: 11, 16. 
Site: Dry, sun. 
Fruit: Acorn, annual. 
A small shrub ; thicket forming ; grows in sandy soil ; spreads by underground 
stems, the bulk of the species being underground ; propagation is by separation 
of the root stocks as well as by acorns. 
Observations: Bobwhite, prairie chicken; peccary. The large and sweet 
acorns are relished by livestock but this species has caused much poisoning. 
Quercus humilis, see Quercus pumila. 
Quercus hypoleuca Bngelm. Whiteleaf oak. 
Range: 11, 14. 
Site : Dry, well-drained, sun. 
Fruit: Acorn, annual, although often maturing the second season. 
A large shrub to small or large tree ; semievergreen ; wood used locally. 
Observations: Thick-billed parrot ; favorite food of the Apache squirrel. 
Quercus ilicifolia Wang. Bear oak. 
Q. pumila (Marsh) Sudw., Q. nana Sarg. 
Range : 22, 25, 26, 27, 28. 
Site : Dry, well-drained, sun. 
Fruit: Acorn biennial, available September-October. 
A large shrub to small tree ; thicket forming ; often forms a nearly complete 
ground cover ; fruit produced very prolifically ; suckers freely ; not evergreen, 
but dead leaves often persistent through the winter ; often occurs in extremely 
sterile soils. 
Stomach records: Ruffed grouse. Observations: Wild turkey; white-tailed 
deer. 
Quercus imbricaria Michx. Shingle oak. 
Range : 22, 23, 24, 25, 27, 28. 
Site : Well-drained, moist, sun. 
Fruit : Acorn ; biennial, available September-October. 
A large tree; wood used commercially; somewhat cultivated; 45G-S00 seeds 
per pound. 
Observations: Red-headed woodpeckers. 
Quercus intricata Trel. 
Range: 11. 
Site: Dry, w^ell-drained, sun. 
Fruit: Acorn, annual. 
A small, intricately branched shrub. 
