Willem Kolvoort / Brook with Great Yellowcress (Rorippa amphibia), North Holland. June.
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Willem Kolvoort / Great Yellowcress (Rorippa amphibia) in flower, North Holland. July.
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Willem Kolvoort / Brook with Rigid Hornwort (Ceratophyllum demersum), Shining Pondweed (Potamogeton lucens) with Great Yellowcress (Rorippa amphibia) North Holland. June.