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A multivariate morphometric study of theCardamine pratensis group is presented, based on 84 population samples collected from the Carpathian and Pannonian area in the Czech Republic, Slovakia, Poland, Ukraine, Hungary, and Romania. Among the multivariate methods, principal component analysis, cluster analysis, and classificatory and canonical discriminant analysis were used. The analysis of chromosome numbers from all populations studied showed wide variation. The morphometric study showed that not all groups of populations characterised by their chromosome numbers and geographical criteria are morphologically, and thus taxonomically, distinguishable. Besides the morphologically well characterised speciesCardamine dentata andC. rivularis, the following species were recognised in the area studied:C. matthioli, C. majovskii andC. pratensis. Within the last species, besides the typical populations, two diploid “types” are provisionally recognised: type “ucranica” and type “rivularis auct.”.

Marhold, K. & Rayner, T. G. J.: Typification of the names of two species of the Cardamine pratensisgroup (Brassicaceae). – Taxon43: 77‐83. 1994. – ISSN 0040‐0262. Cardamine rivularisSchur is lectotypified by a specimen at Vienna (W) collected by Schur in Romania. C. matthioliMoretti is lectotypified (or neotypified) by a specimen at Florence (FI) collected by Moretti in Lombardy. The confusion concerning the latter's author and place of publication is resolved: bibliographical details and chronology of 5 publications in which the name appears, all of 1847, are discussed, showing that it was validly published on 18 Aug 1847 by Moretti.

Marhold, K. & Hrouda, L.: Lectotypification of Cardamine amarasubsp. opicii(J. Presl & C. Presl) Čelak. ‐ Taxon 42: 101‐102. 1993. ‐ ISSN 0040‐0262. The lectotype of Cardamine amarasubsp. opiciiis a specimen in the herbarium at the Botany Department, National Museum in Průhonice near Prague (PR), collected on Mt. Studniční hora in the Krkonoše Mts. by Ph. M. Opiz. The correct spelling of the epithet is opicii, not “opizii”as used by many authors.