| Possible Mechanisms of the Exclusion of Johnson Grass by Tall Grass Prairies |
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Marilyn A. Semtner |
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| A Preliminary Pawnee Ethnobotany Checklist |
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C. Randy Ledford |
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| Vascular Flora of Alabaster Caverns State Park, Cimarron Gypsum Hills, Woodward County,Oklahoma |
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Gloria M. Caddell, Kristi D. Rice |
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| A Comparison of the Composition and Structure of Two Oak Forests in Marshall and Pottawatomie Counties |
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Bruce A. Smith |
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| Critic's Choice Essay: Virtual Herbaria Come of Age |
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Wayne Elisens |
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| Five Year Index to Oklahoma Native Plant Record |
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