1. Ricerche sulla parameiosi restituzionale nel genere Taraxacum;Battaglia;Caryologia,1948
2. Studies on the embryo sac mother cell and its development in Hieracium subg. Archieracium;Bergman;Sv. Bot. Tidskr.,1941
3. A contribution to the knowledge of the embryo sac mother cell and its development in two apomicts;Bergman;Sv. Bot. Tidskr.,1944
4. Sporogenesis, Embryosackentwicklung und pseudogame Samenbildung bei Rudbeckia laciniata L;Fagerlind;Acta Horti Bergiani,1946
5. Die Restitutions- und Kontraktionskerne der Hieracium-Mikrosporogenese;Fagerlind;Sv. Bot. Tidskr.,1947a