R. M. K.  Saunders, ?The diversity and evolution of pollination systems in Annonaceae?, Botanical Journal of the Linnean SocietyBotanical Journal of the Linnean Society, vol. 169, pp. 222-244, 2012.

R. M. K.  Saunders, ?The diversity and evolution of pollination systems in Annonaceae?, Botanical Journal of the Linnean Society, vol. 169, pp. 222-244, 2012.