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Viola tricolor ammotropha Sturm. FloraWeb de DnenStiefmtterchen Viola tricolor var maritima Schweigg ex Hagen br name Viola ammotropha Krause Original Caption DnenStiefmtterchen Viola ammotropha Figure from Deutschlands Flora in Abbildungen at biolib de Johann Georg Sturm Painter Jacob Sturm PDold Viola tricolor illustrations