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Apocynum androsaemifolium L. (spreading dogbane), flowers and leaves on stemJune 1971
Kohout, Kitty
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Antennaria Gaertn. (pussytoes), close-up of pistillate flowerAugust 21 1971
Coulter, Ronald M.
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Anemone patens var. multifida Pritz. (pasqueflower), close-up of flower bud and stemApril 29 1971
Beasley, Michael
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Anemone cylindrica Gray (thimbleweed), close-up of flower, bud, and, cylindrical seed coneJune 1971
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Andrachne colchica Fisch. & C.A. Meyer (Caucasian-spurge), close-up of stem with flowers and leavesJuly 1971
Beasley, Michael
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Andrachne colchica Fisch. & C.A. Meyer (Caucasian-spurge), habitJuly 1971
Beasley, Michael
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Anaphalis margaritacea (L.) Benth. & Hook.f. (pearly everlasting), habitSeptember 7 1971
Coulter, Ronald M.