216 MISC. PUBLICATION 303, U. S. DEFT. 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, 13, 14. 

 Site : Dry, well-drained, sun. 

 Fruit : Acorn, annual. 

 A small to large shrub or small tree. 



Quercus 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: Bob white, 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 hypolenca 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, 23, 24, 25, 27, 28. 

 Site : Well-drained, moist, sun. 



Fruit : Acorn ; biennial, available September-October. 



A large tree ; wood used commercially ; somewhat cultivated ; 450-800 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. 



