Botrychium simplex, E. Hitchc.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 9

1. B. simplex E. Hitchc. in Silliman Amer. Jour. Sci. Arts 6: 103 (1823).

Leaves 2—10(— 15) cm; lamina with a long petiole, simple, trilobed, trifoliolate orpinnate, with 2 orrarely 3-4 pairs of obovate or roundish, entire pinnae with rounded (rarely lobed) apex. N. & C. Europe from 66° N. southwards, extending to C. France, the Italian Alps and C. Jugoslavia. Au Be Co Cz Da Fe Ga He Is It Ju No Po Rs (N, B, C) Su.