Last updated on April 20, 2014 at 19:30 EDT
Walnut Leaf 26-1
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Walnut Leaf 26-1

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