1. Reproduction in Helicodictyon planctonicum (Whitford) Whitford and Schumacher;Biebel;Journal of Phycology,1968
2. A critical survey of European taxa in Ulvales. Part I. Capsosiphon, Percursaria, Blidingia, Enteromorpha;Bliding;Op. Botany Society of Botany Lund,1963
3. A critical survey of European taxa in Ulvales. Part II. Ulva, Ulvaria, Monostroma, Kornmannia;Bliding;Botaniska Notiser,1968
4. Distribution and taxonomic reappraisal of Ctenocladus (Chlorophyceae, Chaetophorales);Blinn;Journal of Phycology,1970
5. Three new chlorophycean algae;Bold;American Journal of Botany,1958