A taxonomic investigation ofUlota bruchiiHornsch. ex Brid.,U. crispa(Hedw.) Brid. andU. crispulaBrid. I. European material

Investigation of European Ulola bruchii Hornsch. ex Brid., U. crispa (Hedw.) Brid. and U. crispula Brid. shows that U. crispula is merely a small form of U. crispa and cannot be maintained as a distinct taxon. Intergradation between U. bruchii and U. crispa is such that U. bruchii is reduced to a variety, U. crispa var. norvegica (Grönv.) A. J. E. Smith & M. O. Hill.