Johnson, David M.; Murray, Nancy A. (July–September 1995). "ynopsis of the Tribe Bocageeae (Annonaceae), with Revisions of Cardiopetalum, Froesiodendron, Trigynaea, Bocagea, and Hornschuchia". Brittonia. 47 (3): 248–319. Bibcode:1995Britt..47..248J. doi:10.2307/2807118. JSTOR2807118.
Johnson, David M.; Murray, Nancy A. (July–September 1995). "ynopsis of the Tribe Bocageeae (Annonaceae), with Revisions of Cardiopetalum, Froesiodendron, Trigynaea, Bocagea, and Hornschuchia". Brittonia. 47 (3): 248–319. Bibcode:1995Britt..47..248J. doi:10.2307/2807118. JSTOR2807118.
jstor.org
Johnson, David M.; Murray, Nancy A. (July–September 1995). "ynopsis of the Tribe Bocageeae (Annonaceae), with Revisions of Cardiopetalum, Froesiodendron, Trigynaea, Bocagea, and Hornschuchia". Brittonia. 47 (3): 248–319. Bibcode:1995Britt..47..248J. doi:10.2307/2807118. JSTOR2807118.