Widén, Carl-Johan

name

• Widén, Carl-Johan

Authored works

• Chemotaxonomic investigations on Finnish Dryopteris species and related North American taxa
• Dryopteris dilatata s.lat. in Europe and the Island of Madeira : A chromatographic and cytological study
• Farmakognosian perusoppimäärä
• The Dryopteris spinulosa complex in Finland

Works contributed to

• Phloroglucinol derivatives in subgenus Dryopteris (Pteridophyta, Dryopteridaceae)

Works about Widén, Carl-Johan

• Julkiset virkaanastujaisesitelmät : Tautiopin tehtävät tänään