Martin and Drew 1969

Image No. Family Species Class Sculpture
47 Koeberliniaceae Koeberliniaceae spinosa tricolporate striate - rugulate
48 Loasaceae Mentzelia affinis tricolporate striate - reticulate
49 Umbelliferae Bowlesia incana tricolporate striate
50 Cactaceae Opuntia versicolor fenestrate scabrate

UofAz Palynology