Graphiolales: Basidiomycetes parasitic on palms F. OberwinklerR. J. BandoniL. Kisimova-Horovitz OriginalPaper Pages: 251 - 277
Chemotaxonomical investigations of theSymphytum officinale polyploid complex andS. asperum (Boraginaceae): The pyrrolizidine alkaloids H. J. HuizingTh. W. J. GadellaE. Kliphuis OriginalPaper Pages: 279 - 292
Eine bemerkenswerte Oscillatoriacee,Katagnymene accurata n. sp. (Cyanophyceae) Lothar Geitler OriginalPaper Pages: 293 - 306
Karyosystematics ofVeronica sect.Beccabunga (Scrophulariaceae) with special reference to the taxa in Turkey Avni ÖztürkManfred A. Fischer OriginalPaper Pages: 307 - 319