Arriagada, J.E., 1998. The Genera of Inuleae (Compositae; Asteraceae) in the Southeastern United States. Harvard Papers in Botany 3, 1-48.

Arriagada, J.E., Miller, N.G., 1997. The Genera of Anthemideae (Compositae: Asteraceae) in the Southeastern United States. Harvard Papers in Botany 2, 1-47.