Browsing by collection: year:
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Silphium terebinthinaceum Jacq. (prairie dock), habit
August 3 1978
Armstrong, Patricia K.
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Headstone and Prairie Plants at the Vermont Cemetery July 23 1978
Armstrong, Patricia K.
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Baptisia bracteata var. leucophaea (Nutt.) Kartez & Gandhi (cream wild indigo), habitatJune 17 1978
Armstrong, Patricia K.
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Pulsatilla patens (L.) Mill. (Eastern pasqueflower), flowersApril 9 1978
Armstrong, Patricia K.
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Sporobolus heterolepis (A. Gray) A. Gray (prairie dropseed), habit
August 3 1978
Armstrong, Patricia K.
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flowersJune 22 1978
Armstrong, Patricia K.
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Desmodium canadense (L.) DC. (Showy Ticktrefoil), flowersJuly 23 1978
Armstrong, Patricia K.
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Silphium laciniatum L. (compass plant), Desmodium canadense (L.) DC. (Showy Ticktrefoil), and Euphorbia maculata L. (spotted spurge), habitatJuly 23 1978
Armstrong, Patricia K.
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Silphium laciniatum L. (compass plant), habit, habitatAugust 3 1978
Armstrong, Patricia K.
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Silphium laciniatum L. (compass plant), top of stalk with weevil damageAugust 1978
Armstrong, Patricia K.
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Silphium laciniatum L. (compass plant), top of stalk with weevil damageAugust 1978
Armstrong, Patricia K.
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Silphium laciniatum L. (compass plant), weevil workAugust 30 1978
Armstrong, Patricia K.
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Sporobolus heterolepis (A. Gray) A. Gray (prairie dropseed), habitApril 29 1978
Armstrong, Patricia K.
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Silphium terebinthinaceum Jacq. (prairie dock), flowers and buds on stems
August 3 1978
Armstrong, Patricia K.
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Silphium terebinthinaceum Jacq. (prairie dock), leafAugust 17 1978
Armstrong, Patricia K.
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Silphium terebinthinaceum Jacq. (prairie dock), leaves and stalks August 17 1978
Armstrong, Patricia K.
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flowers September 17 1978
Armstrong, Patricia K.
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Path through Andropogon gerardii Vitman (big bluestem) and Solidago rigida L. (stiff goldenrod)August 30 1978
Armstrong, Patricia K.
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Eryngium yuccifolium Michx. (rattlesnake master) and Amorpha canescens Pursh (leadplant), habitat July 11 1978
Armstrong, Patricia K.
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Hesperostipa spartea (Trin.) Barkworth (porcupine grass), stemsJune 21 1978
Armstrong, Patricia K.