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Zizia aurea (L.) W. D. Koch (golden alexanders), unripe fruits in umbels2005 – 2012
Hagstrom, John
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Zizia aurea (L.) W. D. Koch (golden alexanders), unripe fruits in umbels2005 – 2012
Hagstrom, John
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Zizia aurea (L.) W. D. Koch (golden alexanders), pinnately compound serrate leaves2005 – 2012
Hagstrom, John
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Zizia aurea (L.) W. D. Koch (golden alexanders), flowers in umbels2005 – 2012
Hagstrom, John
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Zizia aurea (L.) W. D. Koch (golden alexanders), flowers and leaves2005 – 2012
Hagstrom, John
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Zizia aurea (L.) W. D. Koch (golden alexanders), close-up of unripe fruit in umbels2005 – 2012
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Zizania aquatica (annual wildrice), inflorescenceJuly 21 2007
Hedborn Jr., Edward A.
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Zizania aquatica (annual wildrice), habit, summerJuly 21 2007
Hedborn Jr., Edward A.
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Zelkova serrata ‘Village Green’ (Village Green Japanese zelkova), leaves2005 – 2012
Hagstrom, John
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Zelkova serrata ‘Village Green’ (Village Green Japanese zelkova), growth habit, tree form2005 – 2012
Hagstrom, John
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Zelkova serrata ‘Village Green’ (Village Green Japanese zelkova), bark2005 – 2012
Hagstrom, John
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Zelkova serrata ‘Village Green’ (Village Green Japanese zelkova), bark2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), top branches, fall color2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), leaves2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), leaves2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), leaves2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), growth habit, tree form2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), growth habit, tree form2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), branches, fall color2005 – 2012
Hagstrom, John
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Zelkova serrata (Thunb.) Makino (Japanese zelkova), branch2005 – 2012
Hagstrom, John
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Zanthoxylum americanum Mill (prickly-ash), stem with thorns2005 – 2012
Hagstrom, John
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Zanthoxylum americanum Mill (prickly-ash), growth habit, shrub form2005 – 2012
Hagstrom, John
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Zanthoxylum americanum (Prickly-ash), leaf, upper surfaceJuly 21 2007
Hedborn Jr., Edward A.
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Zanthoxylum americanum (Prickly-ash), infructescenceJuly 21 2007
Brown, Deborah J. G.
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Zanthoxylum americanum (Prickly-ash), infructescenceJuly 21 2007
Brown, Deborah J. G.
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Zanthoxylum americanum (Prickly-ash), infructescenceJuly 21 2007
Hedborn Jr., Edward A.
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Zanthoxylum americanum (Prickly-ash), infructescenceJuly 21 2007
Brown, Deborah J. G.