W. E.  Safford, ?Raimondia, a new genus of Annonaceae from Colombia?, Contributions from the United States National HerbariumContributions from the United States National Herbarium, vol. 16, pp. 217-219; pl. 52-53, 1913.

W. E.  Safford, ?Annona sericea and its allies?, Contributions from the United States National HerbariumContributions from the United States National Herbarium, vol. 16, pp. 263-276; pl. 85-99, 1913.