Dicotyledones
- Gentianales
An order of dicotyledonous plants having gamopetalous flowers; Gentianaceae; Apocynaceae;...
- Primulales
Primulaceae; Theophrastaceae; Myrsinaceae; and (in some classifications) Plumbaginac...
- Urticales
An order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae.
- Aristolochiales
Order of plants distinguished by tubular petaloid perianth and inferior ovary.
- Myricales
Coextensive with the family Myricaceae.
- Proteales
Coextensive with the family Proteaceae.
- Casuarinales
Order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: ...
- Juglandales
Coextensive with the family Juglandaceae.
- Plantaginales
Coextensive with the family Plantaginaceae.
- Polygonales
Coextensive with the family Polygonaceae,.
- Diapensiales
Used in some classifications: coextensive with family Diapensiaceae.
- Oleales
Coextensive with the family Oleaceae; in some classifications included in the order Gen...
Bryopsida
- Eubryales
Mosses with perennial erect gametophores and stems with rows of leaves and drooping c...
- Andreaeales
Comprises a single genus: Andreaea.
- Dicranales
Widely distributed order of mosses with erect gametophores and sporophytes at the tips...
- Sphagnales
Coextensive with the genus Sphagnum; in some classifications isolated in a separate ...
- Bryales
Category used in some classification systems for mosses having the spore case separated...
Dilleniidae
- Parietales
A large order of dicotyledonous plants of subclass Dilleniidae.
- Ericales
Ericaceae; Clethraceae; Diapensiaceae; Epacridaceae; Lennoaceae; Pyrolaceae; Monotropa...
- Malvales
Malvaceae; Bombacaceae; Elaeocarpaceae; Sterculiaceae; Tiliaceae.
- Rhoeadales
An order of dicotyledonous plants.
- Guttiferales
Used in some classifications; coextensive with Parietales.
Coniferopsida
- Coniferales
Profusely branching and chiefly evergreen trees and some shrubs having narrow or needlelike...
- Cordaitales
Extinct plants having tall arborescent trunks comparable to or more advanced than cycads;...
- Taxales
Coextensive with the family Taxaceae: yews.
Hepaticopsida
- Jungermanniales
Large order of chiefly tropical liverworts.
- Marchantiales
Liverworts with gametophyte differentiated internally.
- Sphaerocarpales
Small order sometimes included in the order Jungermanniales.
Arecidae
- Pandanales
Families Typhaceae; Sparganiaceae; Pandanaceae.
- Arales
Araceae; Lemnaceae.
- Palmales
Coextensive with the family Palmae: palms.
Commelinidae
- Xyridales
An order of monocotyledonous herbs.
- Musales
Tropical plants.
- Graminales
Grasses; sedges; rushes.
Rosidae
- Myrtales
Myrtaceae; Combretaceae; Elaeagnaceae; Haloragidaceae; Melastomaceae; Lecythidaceae; Lythraceae;...
- Umbellales
Plants having umbels or corymbs of uniovulate flowers; includes the Umbelliferae (chiefly...
Cycadopsida
- Cycadales
Primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered...
- Bennettitales
Fossil gymnospermous plants of the Carboniferous.
Liliidae
- Liliales
An order of monocotyledonous plants including Amaryllidaceae and Liliaceae and Iridace...
- Orchidales
Order of plants with irregular flowers having minute seeds: Orchidaceae; Burmanniace...
Caryophyllidae
- Caryophyllales
Corresponds approximately to the older group Centrospermae.
- Opuntiales
Coextensive with the family Cactaceae: cactuses.
Also contains
- Ranales
Herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae;...
- Campanulales
An order of plants of the subclass Asteridae including: Campanulaceae; Lobeliaceae...
- Gnetales
Chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered...
- Fagales
An order of dicotyledonous trees of the subclass Hamamelidae.
- Anthocerotales
Hornworts; liverworts having a thalloid gametophyte; in some classification systems...
- Cycadofilicales
Fossil gymnospermous trees or climbing plants from the Devonian: seed ferns.
- Ginkgoales
Coextensive with the family Ginkgoaceae: plants that first appeared in the Permian and...
- Plumbaginales
Coextensive with the family Plumbaginaceae; usually included in order Primulales.