The dicotyledons, also known as dicots (or more rarely dicotyls), were one of the two groups into which all the flowering plants or angiosperms were formerly…
Monocotyledons are flowering plants (angiosperms) whose seeds typically contain only one embryonic leaf, or cotyledon. They constitute one of the major groups…
The Pinophyta, also known as Coniferophyta or Coniferae, or commonly as conifers, are a division of vascular land plants containing a single class, Pinopsida.…
Ginkgoales or Ginkgophyte is a gymnosperm order containing only one extant species: Ginkgo biloba, the ginkgo tree. It is monotypic, (the only taxon) within the…
Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today. They typically have a stout and woody…
Gnetophyta is a division of plants, grouped within the gymnosperms (which also includes conifers, cycads, and ginkgos), that consists of some 70 species across…
Leptosporangiate ferns are the largest group of living ferns, including some 11000 species worldwide. They constitute the subclass Polypodiidae, but are often…
Psilotopsida is a class of ferns or fern-like plants, considered to be one of the three classes of eusporangiate ferns. It should not be confused with the…
Equisetopsida, or Sphenopsida, is a class of vascular plants with a fossil record going back to the Devonian. They are commonly known as horsetails. Living…
Lycopodiopsida is a class of herbaceous vascular plants known as the clubmosses and firmosses. They have dichotomously branching stems bearing simple leaves…
The Isoetopsida is a class of Lycopodiophyta. All extant species belong to the genus Selaginella in the order Selaginellales or to the genus Isoetes in the…
The Sphagnopsida includes a single subclass Sphagnidae, with two orders. The order Sphagnales contains four living genera: Sphagnum, with all but three of the…
The Bryopsida constitute the largest class of mosses, containing 95% of all moss species. It consists of approximately 11,500 species, common throughout the…
The Polytrichaceae also known as "Aloe Moss" is a common family of mosses. Members of this family tend to be larger than other mosses with a thickened central…