Martin and Drew 1970

Image No. Family Species Class Sculpture
37 Malvaceae Gossypium thurberi stephanoporate echinate
38 Malvaceae Sidalcea neomexicana stephanoporate echinate
39 Malvaceae Abutilon palmeri triporate echinate
40 Frankeniaceae Frankenia grandifolia tricolporate scabrate - verrucate

UofAz Palynology