Genera may be subdivided into subgenera, and also, especially in plant taxonomy, into sections, subsection, series, and subseries.

物类学中，属般可再为亚属。同样可进步为组、亚组，系、亚系等。

Any reasonably segregable portion of a record shall be provided to any person requesting such record after deletion of the portions which are exempt under this subsection.

档案中任何可以合理开的应向申请人提供，但应先删除本款规定免于公开的。