Ole Jorgen Liodden / Heartsease / Wild pansy (Viola tricolor) flower, Norway, May.

Bernard Castelein / Wild pansy ( Viola tricolor), Klein Schietveld, Brasschaat, Belgium. April

Fabrice Cahez / Heart's ease (Viola tricolor) flower, Mont-Lozere, France

Nick Garbutt / Wild pansy (Viola tricolor) Nordtirol, Austrian Alps, Austria, July.

Bernard Castelein / Heartsease flower (Viola tricolor), Klein Schietveld, Brasschaat, Belgium, May.

Ole Jorgen Liodden / Heartsease / Wild pansy (Viola tricolor) flower, Norway, May.

Erlend Haarberg / Wild pansy (Viola tricolor), Stockholm archipelago, Sweden, June.

David Tipling / Wild pansy (Viola tricolor) growing in sand dune, Sands of Forvie National Nature Reserve, Aberdeenshire, Scotland, June.

David Tipling / Wild pansy (Viola tricolor) growing in sand dune, Sands of Forvie National Nature Reserve, Aberdeenshire, Scotland, June.

Florian Möllers / Heartsease / Wild pansy (Viola tricolor), flowers, Berlin, Germany, May

Philippe Clement / Heartsease / Wild pansy (Viola tricolor) flower, Belgium

Philippe Clement / Heartsease / Wild pansy (Viola tricolor) in flower, Belgium