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Andropogon gerardii (Big Bluestem), leaf, sheathJuly 31 2012
Hedborn Jr., Edward A.
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Andropogon gerardii (Big Bluestem), leaf, upper surfaceJuly 31 2012
Hedborn Jr., Edward A.
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Andropogon gerardii (Big Bluestem), leaf, upper surfaceOctober 4 2016
Hedborn Jr., Edward A.