1. Host plants of powdery mildew fungi collected at the Royal Botanic Gardens, Kew, England, during August and September 1978;Amano;Trans. mycol. Soc. Japan,1980
2. Identification of Erysiphaceae by conidial characteristics;Boesewinkel;Rev. Myc.,1977
3. The morphology of imperfect states of powdery mildews (Erysiphaceae);Boesewinkel;Bot. Rev.,1980
4. A note on the clasification of Microsphaera mougeotiiLév;Boesewinkel;Crypt. Mycol.,1980