Observation 137702: Verticillium Nees
When: 2013-06-26
No herbarium specimen
0 Sequences

Notes:
Black, elongated dead area near base of the trunk a large living swamp maple (acer rubrum). According to a 2013 article by plant pathologist Cynthia L. Ash at Univ. of Minn. Ext.: “… V. dahlia is the species that most commonly attacks woody ornamentals in the United States.”

Proposed Names

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Created: 2013-06-26 12:43:19 PDT (-0700)
Last modified: 2013-09-05 08:15:20 PDT (-0700)
Viewed: 17 times, last viewed: 2017-06-16 02:02:28 PDT (-0700)
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