Last updated on April 19, 2014 at 1:20 EDT
Walnut Stem Sample 2-1
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Walnut Stem Sample 2-1

March 12, 2013
Scanning electron microscope image of Juglans nigra stem, showing part of the cross section and a variety of tricomes. Juglandales Juglandaceae (walnut family) Juglans nigra Instrument: ZEISS962 SEM Credit: Louisa Howard