Rosidae is a botanical name at the rank of subclass. circumscription of the subclass will vary with the taxonomic system being used; the only requirement being that it includes the family Rosaceae. Please note that Wikipedia has adopted the APG II system, which does not use formal botanical names above the rank of order. Therefore, within wikipedia Rosidae is taxonomically undefined.
A well-known system that did use this name is the Cronquist system, and in the 1981, original, version of this system the circumscription was:
In the APG system, used here, most of the plants involved are placed in the rosids, a clade.
Rosenähnliche | Rosidae | Rosidae | Rosidae | Rosidae | Erškėčiažiedžiai | Rosidae | Roseplanter | Różowe | Rosidae