The Pteridales were an
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
of
ferns that have their
sori in linear strips under the edge of the leaf tissue, usually with the edge of the lamina reflexed over.
This order was reduced to the family
Pteridaceae under the Smith classification of 2006,
[A. R. Smith, K. M. Pryer, E. Schuettpelz, P. Korall, H. Schneider, P. G. Wolf. 2006. "A classification for extant ferns". ''Taxon'' 55(3), 705-731 (pd]
here
a position maintained in the
Pteridophyte Phylogeny Group
The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relation ...
classification of 2016 (PPG I).
[
]
References
* Schuettpelz, Eric, Harald Schneider, Layne Huiet, Michael D. Windham, Kathleen M. Pryer. "A molecular phylogeny of the fern family Pteridaceae: Assessing overall relationships and the affinities of previously unsampled genera." Molecular Phylogenetics and Evolution, 44: 1172–1185. 2007: https://web.archive.org/web/20080820183832/http://www.pryerlab.net/publication/fichier1047.pdf
External links
{{Taxonbar, from=Q3306459
01
Historically recognized plant orders