| | UNITED STATES: Missouri:: St. Louis Co. University City, Ames Place Subdivision, three blocks N of Washington University., 2018. |
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Swamp milkweed, with aphids near apex of plant.. Plant partially defoliated by monarch caterpillars (photos which see). Photo taken 29 July 20118.
| | Copyright © 2018 by Robbin Moran
(contact: kcn2[at]cornell.edu)
[ref. DOL50214]
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