2 treff

ferns finland
Dryopteris dilatata s. lat. in Europe and the islanf of Madeira : a chromatographic and cytologicical study
by Carl-Johan Widén, Weikko Sorsa, Jaakko...
Bok Engelsk 1970 · Vis mer
The Dryopteris spinulosa complex in Finland
by Carl-Johan Widén, Jaakko Sarvela and T...
Bok Engelsk 1967 · Vis mer