Photo: Oxalis acetosella 0.

Flowering plants. The leaf is tart and makes a good trail nibble in summer. Liljendal, Finland. Wild. 1996-05-01.

Oxalis acetosella L.
Engl.: wood sorrel, cuckoo-bread, European wood-sorrel, Irish shamrock.
Deu.: Sauerklee, Hasenklee, Wald-Sauerklee.
Suom.: käenkaali, ketunleipä.
Sven.: harsyra, surklöver, gökmat, harväppling.
Fran.: oxalide des bois, oxalis petite Oseille, pain de coucou