1. Robinson, J. P., Harris, S. A. & Juniper, B. E. Taxonomy of the genus Malus Mill. (Rosaceae) with emphasis on the cultivated apple, Malus domestica Borkh. Plant Syst. Evol. 226, 35–58 (2001).
2. Li, B. H., Wang, C. X. & Dong, X. L. Research progress in apple diseases and problems in the disease management in China (in Chinese). Plant Prot. 39, 46–54 (2013).
3. Sinclair, W. A. & Lyon, H. H. Diseases of trees and shrubs. 2nd ed. Ithaca, New York, USA: Cornell University Press. (2005).
4. Lamarck, J. B. & de Candolle, A. P. Flore française. 2, 1–600 (1805).
5. Kern, F. D. A revised taxonomic account of Gymnosporangium. University Park, Pennsylvania, USA: Pennsylvania State University Press. (1973).