Verbatim text: Karis, P. O. and O. Ryding. 1994. Tribe Heliantheae. In: K. Bremer. 1994. Asteraceae: Cladistics & Classification. Portland. Pp. 559–624.
Author: Karis, P.O., Ryding, O.
Year: 1994
Title: Tribe Heliantheae
Editor: Bremer, K.
Book year: 1994
Book title: Asteraceae: Cladistics & Classification
Pages: 559–624