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Dichanthelium oligosanthes var. scribnerianum (Few-flowered Panic Grass), stemJune 2 2012
Hedborn Jr., Edward A.
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Agastache scrophulariifolia (Willd.) Kuntze (purple giant-hyssop), stem, flowerSeptember 1978
Dritz, Ken
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Aralia spinosa (Devil's Walking Stick), bark, stemMarch 3 2012
Hedborn Jr., Edward A.
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Aralia spinosa (Devil's Walking Stick), bark, stemMarch 3 2012
Hedborn Jr., Edward A.
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Aralia spinosa (Devil's Walking Stick), bark, stemMarch 3 2012
Hedborn Jr., Edward A.
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Aralia spinosa (Devil's Walking Stick), bark, stemMarch 3 2012
Hedborn Jr., Edward A.
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Aralia spinosa (Devil's Walking Stick), bark, stemNovember 25 2008
Hedborn Jr., Edward A.
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Aralia spinosa (Devil's Walking Stick), bark, stemNovember 25 2008
Hedborn Jr., Edward A.
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Amorpha fruticosa (Indigo-bush), bark, stemSeptember 15 2007
Hedborn Jr., Edward A.
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Asclepias viridiflora (Green Milkweed), bark, stemJune 4 2016
Hedborn Jr., Edward A.
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Asclepias sullivantii (Sullivant's Milkweed), bark, stem, leaf, summerJune 19 2013
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Antennaria parlinii subsp. fallax (Cat's Foot), bark, stemJune 2 2018
Hedborn Jr., Edward A.