Author:
Qjure
Book:
Qjurious
Type:
Info
Chapter:
3-444.00.00
Polypodiidae
Name: Pteridophyta sensu scictu; Monilophyta; Polypodiopsida; Filicopsida; Pteridopsida; Leptosporangiate ferns; Leptosporangiate ferns, Polypodiopsida; Ferns.
English: Ferns; Leptosporangiate ferns.
Botany: 7 Orders; 30 Families; 9000 Species; stems, leaves, roots; vascular plants; reproduce via spores and have neither seeds nor flowers; first fossils from 360 million years ago, Carboniferous.
Use: no economic importance; food; ornamental; remediating contaminated soils.
Culture: mythology; medicine; art.
Taxonomy
Pteridophyta is a Phylum in the Plant Kingdom. In recent classifications it also includes the Equisetopsida. Lycopodiopsida are a separate clade at the phylogentic start of the tracheophyta, the vascular plants; the Leptosporangiate ferns form the major clade of the Pteridophyta.
In the Plant theory Leptosporangiate ferns are treated as a Class and named Polypodiidae. The biggest Order is Polypodiales, which can be divided in 3 Suborders, as shown below. Polypodiidae are divided tentatively in Phases.
Phases
1. Salviniales.
2. Schizaeales.
3. Gleichniales, Hymenophyllales.
4. Cyatheales, Osmundales.
5. Poylpodiales 1, Polypodiales.
6. Poylpodiales 2, Blechnales.
7. Poylpodiales 0, Pteridales.