Martin and Drew 1970

Image No. Family Species Class Sculpture
46 Rhamnaceae Rhamnus crocea tricolporate psilate
47 Polemoniaceae Leptodactylon californicum periporate scabrate
48 Polemoniaceae Eriastrum diffusum stephanoporate reticulate - striate
49 Polemoniaceae Gilia sinuate stephanoporate reticulate - striate

UofAz Palynology