“Ferns and fern allies are cryptogamous plants of the phylum Polypodiophyta.”
“Fern is a common name for the cryptogamous, or spore-producing, plants belonging to the division Filicophyta, also called Filicinophyta.”
“This has resulted in a rich vegetation mosaic comprising approximately 1,500 species of flowering plants, including 130 trees, and an estimated 2,200 cryptogamous taxa.”