Verbatim text: Holttum, R. E. 1947. A revised classification of the leptosporangiate ferns. J. Linn. Soc., Bot. 51: 123--158.
Author: Holttum, R.E.
Year: 1947
Title: A revised classification of the leptosporangiate ferns
Journal: J. Linn. Soc., Bot
Volume: 51
Pages: 123–158
PubMed link: http://www.ncbi.nlm.nih.gov/pubmed/24843434