Definition that contains classification system
- chamomile Eurasian plant with apple-scented foliage and white-rayed flowers and feathery leaves used medicinally; in some classification systems placed in genus Anthemis
- camomile Eurasian plant with apple-scented foliage and white-rayed flowers and feathery leaves used medicinally; in some classification systems placed in genus Anthemis
- genus actinomeris used in some classification systems for plants now included in genus Verbesina
- lobelia family not recognized in all classification systems; in some classifications lobeliaceous plants are included in family Campanulaceae
- family xanthorrhoeaceae one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
- subfamily papilionoideae alternative name used in some classification systems for the family Papilionaceae
- bryales category used in some classification systems for mosses having the spore case separated from the capsule wall by a hollow intercellular space
- subdivision basidiomycota comprises fungi bearing the spores on a basidium; includes Gasteromycetes (puffballs) and Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) and Hymenomycetes (mushrooms, toadstools, agarics and bracket fungi); in some classification systems considered a division of kingdom Fungi
- family polypodiaceae ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
- dryopteris large widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae