Ophiostoma ulmi - healthy (left) and infected twigs (U of G slide)

The Atrium

Title:	Ophiostoma ulmi - healthy (left) and infected twigs (U of G slide)
Author:	University of Guelph
URI:	http://hdl.handle.net/10214/5907
Date:	2013
Rights:	For non-commercial academic and research use only.
Rights Holder:	Copyright University of Guelph. Used with permission. All rights reserved.
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