Template:Ball, 1877
- Ball, J. 1877. Spicilegium Florae Maroccanae. Part I. containing Introductory observations and description of Genera and Species, Ranunculaceae to Malvaceae. Journal of the Linnean Society. Botany 16(93): 281–376, pl. IX. to XIV. DOI: 10.1111/j.1095-8339.1877.tb00102.x BHL