1. Studies on chrysophyceae from some ponds and lakes in Alaska vi occurrence of synura species
2. Further observations of silica-scaled Chrysophycae (Paraphysomonadaceae and Mallomonadaceae) from Australian freshwaters. -;Croome;Nova Hedwigia,1988
3. Synuraceae and other Chrysophyceae from central Smaland;Cronberg;Sweden. Bot. Notiser,1980
4. Studies on the Chrysophyceae from Rio Cruces, Prov. Valdivia, South Chile by Scanning and transmission microscopy. -;Dürrschmidt;Nova Hedwigia,1980
5. Mallomonas parvula sp. nov. and Mallomonas retifera sp. nov. (Chrysophyceae, Synuraceae) from South Chile