216 MISC. PUBLICATION 303, U. 8. DEPT. OF AGRICULTURE 
Quercus gravesii Sudw. Grave’s oak. 
Q. texana chisosensis Sarg., Q. chisosensis Sarg. 
Range: 11. 
Site: Dry, well-drained, sun. 
Fruit: Acorn, biennial. 
A small to large tree. 
Quercus 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. 
Observations: Viosca’s pigeon, thick-billed parrot; Sonora deer, Arizona porcu- 
pine. An important local browse for livestock. 
Quercus gunnisonii (Torr.) Rydb. 
Q. alba gunnisonii Torr., Q. gambelii gunnisonii Wenz. 
Range: 11, 138, 14. 
Site: Dry, well-drained, sun. 
Fruit: Acorn, annual. 
A small to large shrub or small tree. 
Guercus hastata, see Quercus emoryi. 
Quercus 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; pececary. The large and sweet 
acorns are relished by livestock but this species has caused much poisoning. 
Quercus humilis, see Quercus pumila. 
Quercus hypoleuca Engelm. 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, 28, 24, 25, 27, 28. 
Site: Well-drained, moist, sun. 
Fruit: Acorn; biennial, available September—October. 
A large tree; wood used commercially; somewhat cultivated; 450-S00 seeds 
per pound. 
Observations: Red-headed woodpeckers. 
Quercus intricata Trel. 
Range: 11. 
Site: Dry, well-drained, sun. 
Fruit: Acorn, annual. 
A small, intricately branched shrub. 
