- Cappelletti, E. & Poldini, L. - Seed morphology in some European aconites (Aconitum, Ranunculaceae) -
Plant Systematics and Evolution, Volume 145, Numbers 3-4 (1984), 193-201, DOI: 10.1007/BF00983948 https://springerlink3.metapress.com/content/g2h1373438g684h7