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Photo#346752
Pemphigus populicaulis, back side of gall - Pemphigus populicaulis

Pemphigus populicaulis, back side of gall - Pemphigus populicaulis
Plymouth Rock, Winneshiek County, Iowa, USA
October 18, 2009

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Pemphigus populicaulis, gall on cottonwood - Pemphigus populicaulis Pemphigus populicaulis, back side of gall - Pemphigus populicaulis