This category should contain only articles about the orders of angiosperms (flowering plants), 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. The only subcategories should be those that contain such articles or redirects (e.g. "Category:subtaxon orders"). It should not contain any other categories.
For guidance on categorizing articles on plant orders by rank, see Wikipedia:WikiProject Plants/Categorization#Taxonomic rank categories.
The orders are those recognized within the angiosperms (flowering plants) in the APG IV system. This should be an exhaustive list of the APG IV orders. (Sabiales is no longer recognised as an order but in now placed as a family within the order Proteales.)
The subcategory Category:Historically recognized angiosperm orders lists articles about orders no longer recognized in the APG III or APG IV system. There should not be any other subcategories.