have been divided into seven orders, Polypodiales being the largest. The phylogenetic position of Polypodiales in relation to the other orders of Polypodiidae...

record about 360 million years ago in the late Devonian period, but Polypodiales, the group that makes up 80% of living fern diversity, did not appear...

recognised, including leptosporangiates, core leptosporangiates, polypods (Polypodiales), and eupolypods (including Eupolypods I and Eupolypods II). In 2014...

species in the family Blechnaceae, in the eupolypods II clade of the order Polypodiales, in the class Polypodiopsida. It is native to western North America from...

critically endangered. There are 49 species and three varieties in the order Polypodiales assessed as critically endangered. Asplenium complanatum Asplenium daghestanicum...

is in the family Athyriaceae, in the eupolypods II clade of the order Polypodiales, in the class Polypodiopsida. This plant is a large perennial fern with...

trunks in the genera Blechnum, Cystodium and Sadleria from the order Polypodiales, and smaller members of Cyatheales like Calochlaena, Cnemedaria, Culcita...

cosmopolitan distribution. It is placed in the family Athyriaceae, in the order Polypodiales. Its genus name is from Greek a- ('without') and Latinized Greek thyreos...

Nephrolepidaceae, placed in the suborder Aspleniineae (eupolypods I) of the order Polypodiales in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). (It...

On 29 January 2010, the IUCN Red List of Threatened Species identified 842 (746 animals, 96 plants) extinct species, subspecies and varieties, stocks and...