Holttum, R. E. & Sen, U. 1961: Morphology and classification of the tree-ferns. – Phytomorphology 11: 406-420

Title	Morphology and classification of the tree-ferns
Authorship	Holttum, R. E. & Sen, U.
Date published	1961
Volume	11
In journal	Phytomorphology
Pages	406-420