1. On the fine structure of the pollen wall in Clivia miniata;Afzelius;Botan. Notiser,1955
2. Electron-microscope investigations into exine stratification;Afzelius;Grana Palynologica,1956
3. On the fine structure of the outer part of the spore wall of Lycopodium clavatum as revealed by the electron microscope;Afzelius;Svensk Botan. Tidskr.,1954
4. Sex and the single pollen grain;New Scientist,1970
5. Studies in spore development;Beer;Ann. Botany (London),1911