This category should contain only articles about the orders of ferns (class Polypodiopsida, including subclass Equisetidae, horsetails), when the articles are at the scientific name, or redirects from the scientific name in the case of monotypic taxa or articles at the English name. It should not contain any categories.

For guidance on categorizing articles on plant orders by rank, see Wikipedia:WikiProject Plants/Categorization#Taxonomic rank categories.