Contains taxonomic revisions of (parts of) seven families or groups of ferns for Malesia, i.e., the area covering the countries Indonesia, Malaysia, Brunei Darussalam, Singapore, The Philippines, Timor Este (East Timor), and Papua New Guinea.
Blechnaceae: a description is given of the family. Paragraphs on Anatomy and Morphology, Gametophyte, Karyology and Hybridization, Ecology and Distribution, and Taxonomy and Affinity are included. A key to the five Malesian genera is given. For the genus Blechnum, with 19 species, separate paragraphs on Biogeography and Morphology and Terminology are given. Malesian Blechnaceae counts 30 species in all.
Hypodematiaceae: this family has three genera and five species in Malesia. The family, the genera, and the species are described and annotated and keys to the genera and species are included.
Monachosoraceae: this monotypic family, with only one species in Malesia, is described and paragraphs on Chromosomes and Taxonomy are included.
Nephrolepidaceae: for this monotypic family a description is given and paragraphs on Taxonomy, Morphology and Characters, Spores, Karyology and Hybridization, Distribution, and Cultivation. Also a chapter on identification as well as a key to the 15 Malesian species is included.
Oleandraceae: a description is given of the only genus in this family, which has seven species in Malesia. Paragraphs are included on Taxonomy, Morphology and Characters, Karyology, and Distribution, and a key to the species.
Pteridaceae subfam. Parkerioideae: this taxon contains two genera with a pantropical distribution. In Malesia each genus has only one species. A description of the subfamily and a key to the genera are given.
Tectaria group: Arthropteris: Holttum, R.E., Tectaria Group. Flora Malesiana, Ser. II, 2 (1991) 1–132 defined this group, without the genus Arthropteris. Later molecular studies indicated that this genus belongs to Tectariaceae, the Tectaria group of Holttum. The genus contains two species in Malesia.