found: Work cat.: Verdcourt, B. Marattiaceae, 1999.
found: Integrated Taxonomic Information System online database, 23 Apr. 2003(family Marattiaceae, order Marattiales)
found: NatureServe Explorer WWW site, 23 Apr. 2003:data search (family Marattiaceae, order Marattiales)
found: Royal Botanic Gardens, Kew WWW site, 23 Apr. 2003:vascular plant families and genera database (Marattiaceae)
found: Wrobel, M. Elsevier's dictionary of plant names, 1996(Marattiaceae)
found: Webster 3rd, June 20, 2003(Marattiaceae, a family coextensive with the order of marattiales)