Martin and Drew 1970

Image No. Family Species Class Sculpture
65 Compositae Gnaphalium bicolor tricolporate echinate
66 Compositae Helianthus annus tricolporate striate
67 Compositae Psilostrophe cooperi tricolporate echinate
68 Compositae Baileya multiradiata tricolporate echinate
69 Compositae Eriophyllum lanuosum tricolporate echinate

UofAz Palynology