@article {7650, title = {A contribution to the study of the evolution of Hesperis series Matronales Cv_l. emend. Dvo_{\'a}k}, journal = {Feddes Repert}, volume = {73}, year = {1966}, month = {1966///}, pages = {94 - 99}, author = {F. Dvo_{\'a}k} } @article {7651, title = {Hybrids of the genus Hesperis}, journal = {Feddes Repert}, volume = {75}, year = {1967}, month = {1967///}, pages = {67 - 88}, author = {F. Dvo_{\'a}k} } @article {7652, title = {Infrageneric classification of Hesperis L}, journal = {Feddes Repert}, volume = {84}, year = {1973}, month = {1973///}, pages = {259 - 271}, author = {F. Dvo_{\'a}k} } @article {7215, title = {Rod Hesperis v _eskoslovensku. Biol. Pr. SAV}, journal = {Bratislava}, volume = {14}, year = {1968}, month = {1968///}, pages = {1 - 54}, author = {F. Dvo_{\'a}k} } @article {7096, title = {Some results of the study of Hesperis matronalis L. from the Belanske Tatry Mountains}, journal = {Biologia, Bratislava}, volume = {37}, year = {1982}, month = {1982///}, pages = {441 - 447}, author = {F. Dvo_{\'a}k} }