Martin and Drew 1969
Image No.
Family
Species
Class
Sculpture
19
Fagaceae
Quercus emoryi
tricolpate
verrucate
20
Fagaceae
Quercus gambelii
tricolpate
verrucate
21
Fagaceae
Quercus turbinella
tricolpate
verrucate
22
Fagaceae
Quercus chrysolepis
tricolpate
verrucate
UofAz Palynology
