| | UNITED STATES: Missouri:: St. Louis Co. Three blocks north of Washington University main campus, Ames Place subdivision, 2020. |
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Habit on the upper (adaxial) surface of a leaf of red oak (Quercus rubra). This species is often associated with a sooty mold that grows on honey dew dropped from aphids. Photo taken 8 Sep 2020.
| | Copyright © 2020 by Robbin Moran
(contact: kcn2[at]cornell.edu)
[ref. DOL51010]
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