| Origin and Usage:
These images are used with the permission of author Paul S. Martin and
Don Pinkeva, Editor of the Journal of the Arizona - Nevada Academy of Science.
Cite these original publications if you wish to link to these images, and
contact Owen Davis. Larger
images of individual grains can be made availabe.
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Martin, Paul S., and Drew, Charles M. 1969. Scanning electron
photomicrographs of southwestern pollen grains. Journal
Arizona Academy of Sciences 5 (3): 147 - 176.
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Martin, Paul S., and Drew, Charles M. 1970. Additional scanning
electron micrographs of southwestern pollen grains. Journal
Arizona Academy of Sciences 6 (2): 140 - 161.
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Solomon, A.M., King, J.E., Martin, P.S. and Thomas, J. 1973.
Further scanning electron photomicrographs of southwestern pollen grains.
Journal Arizona Academy of Sciences 8 (3): 135 - 157.
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