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Bill Thorton raking Prairie HayOctober 1985
Armstrong, Patricia K., Armstrong, Patricia K.
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Symphyotrichum laeve (L.) Á.Löve & D.Löve (smooth blue aster) and Silphium laciniatum L. (compass plant), habitat
October 1 1985
Armstrong, Patricia K.
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Bouteloua curtipendula (Michx.) Torr. (side-oats grama grass), close-up of flowers
July 1985
Armstrong, Patricia K.
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Echinacea pallida (Nutt.) Nutt. (pale purple coneflower), habit, habitatJune 18 1985
Armstrong, Patricia K.