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Pulsatilla patens (L.) Mill. (Eastern pasqueflower), close-up of flowersApril 11 1987
Armstrong, Patricia K.
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Schizachyrium scoparium (Michx.) Nash (little bluestem), habitatOctober 15 1987
Armstrong, Patricia K.
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Andropogon gerardii Vitman (big bluestem), habit, habitat
August 19 1987
Armstrong, Patricia K.