The Pteridales were an order 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.[citation needed]

This order was reduced to the family Pteridaceae under the Smith classification of 2006,[1] a position maintained in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[2]

References

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  1. ^ 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 (pdf here)
  2. ^ PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229.
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