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Grasses of the Trans-Pecos and Adjacent Areas

Dr. A. Michael Powell, a highly respected scientist, is a Professor of Biology and Herbarium Director-Curator at Sul Ross State University in Alpine, Texas.  For more than thirty-five  years, he has actively studied and contributed to the knowledge of Trans-Pecos native plants.  His meticulous research is reflected in numerous articles in scientific journals.  Dr. Powell has also written Trees and Shrubs of Trans-Pecos Texas.

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