Howard, R. A. 1942: Studies of the Icacinaceae, II. Humirianthera, Leretia, Mappia and Nothapodytes, valid genera of the Icacineae. – Journal of the Arnold Arboretum 23: 55-78

Title	Studies of the Icacinaceae, II. Humirianthera, Leretia, Mappia and Nothapodytes, valid genera of the Icacineae.
Authorship	Howard, R. A.
Date published	1942
Volume	23
In journal	Journal of the Arnold Arboretum
Pages	55-78