Kingdom Plantae includes green, brown and red algae, liverworts, mosses, ferns and seed plants with or without flowers.

Small, non-vascular plants, such as mosses, liverworts and hornworts.

Tracehephytes are vascular plants that are land plants defined by their lignified tissues.

Hornworts are a group of non-vascular plants constituting the division Anthocerotophyta.

Any nonvascular seedless plant

seed plants with a very long fossil history that were formerly more abundant and more diverse than they are today.

Highly unusual non-flowering plants.

Gnetophyta is a division of plants, grouped within the gymnosperms.

Distinguished from gymnosperms by characteristics including flowers, endosperm within the seeds, and the production of fruits that contain the seeds

A division of non-vascular land plants commonly referred to as hepatics or liverworts

Gymnosperms, cone-bearing seed plants

A vascular plant that disperses spores. Pteridophytes produce neither flowers nor seeds.