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Last updated on April 18, 2014 at 14:12 EDT
Walnut Leaf 25-3
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Walnut Leaf 25-3

March 8, 2013
Scanning electron microscope image of Juglans nigra (Black Walnut tree) lower leaf surface, showing tricomes and stomates. Juglandales Juglandaceae (walnut family) Juglans nigra Instrument: ZEISS962 SEM Credit: Louisa Howard