Martin and Drew 1969

Image No. Family Species Class Sculpture
51 Cactaceae Cereus gigantea tricolpate scabrate (micropores)
52 Cactaceae Cereus thurberi tricolpate scabrate (micropores)
53 Cactaceae Echinocereus fendleri tricolpate scabrate (micropores)
54 Cactaceae Ferocactus wislizeni tricolpate scabrate (micropores)

UofAz Palynology