On Rumex acetosella |
On Polygonum aviculare |
Parasitic, (Earliest: 18.8)
Biotopes: |
Meadows |
Food: |
Polygonaceae |
Nature Spot:
Erysiphe polygoni
Plant Parasites of Europe:
Erysiphe polygoni
Pictures © 2003, 2007, 2018 J.K. Lindsey
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