Existence
Plants
Plants - Seedless
(Taxonomic Rank: Subkingdom)
Ferns, tree ferns, whisk ferns, horsetails, quillworts, clubmosses, spikemosses, firmosses, and extinct relatives.
Seedless plants including Isoetales, Psilotopsida, Equisetopsida, Marattiopsida, Polypodiopsida, Lycopodiales, Selaginellales, and Basal Tracheophytes. Isoetales Psilotopsida Equisetopsida Marattiopsida Polypodiopsida Lycopodiales Selaginellales Basal Tracheophytes & Prehistoric Lycophytes