1. Byng, J. W., Chase, M. W., Christenhusz, M. J. M., Fay, M. F., Judd, W. S., Mabberley, D. J., et al. (2016). An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV. Botanical Journal of the Linnean Society, 181, 1–20.
2. Canini, A., Giovinazzi, J., Iacovacci, P., Pini, C., & Caiola, M. G. (2004). Localisation of a carbohydrate epitope recognised by human IgE in pollen of Cupressaceae. Journal of Plant Research, 117, 147–153.
3. Chen, Z. D., Manchester, S. R., & Sun, H. Y. (1999). Phylogeny and evolution of the Betulaceae as inferred from DNA sequences, morphology, and paleobotany. American Journal of Botany, 86, 1168–1181.
4. Conti, F., Abbate, G., Alessandrini, A., & Blasi, C. (2005). An annotated checklist of the Italian vascular flora. Min. Ambiente e Tutela Territ., Dip. Biol. Veg. Univ. « La Sapienza » . Palombi Ed., Roma.
5. Conti, F., Alessandrini, A., Bacchetta, G., Banfi, E., Barberis, G., Bartolucci, F., et al. (2007). Integrazioni alla checklist della flora vascolare italiana. Natura Vicentina, 10, 5–74.