Synonym:
Polypodianae; Polypodiopsida;
Polypodiales; Cathetogyrates.
Clades:
Pteridophyta;
Plants.
TaxonomyPolypodianae is the main class of Ferns, including about 11.000 of the 14.000 ferns.
In the PPG1 classification
Polypodianae is monophyletic.
Together with part of the
Equisetanae they form the Leptosporangiate Ferns.
Plant theoryIn the
Plant theory Polypodianae is treated the same way as the PPG1 classification. It is the last class, connected to
Iron series. It has as Remedy code 3-440.00.00.
BotanyFern; hairs.
Stem: siphonostele, protoxylem mesarch.
Sporangia: in sori; sporangia primarily multi-layered: eusporangial tapetum plasmodial pseudoendospore; endospore 2-layered; sporangial maturation mixed annulus vertical on sporangium interrupted by stalk and stomium.
SubclassesNr
Series Remedy code Name
1. Hydrogen 3-441.00.00
Marsileidae2. Carbon 3-442.00.00
Pterididae3.
Silicium 3-443.00.00
Aspleniidae4. Iron 3-444.00.00
PolypodiidaeLiteraturePPG 1; A community-derived classification for extant lycophytes and ferns; Journal of Systematics and Evolution. 54 (6): 563–6032016; doi:10.1111/jse;12229.
Smith, Alan R & others; A classification for extant ferns; Taxon, 55-3, 705–731; 2006;doi:10.2307/25065646.