1. (noun) containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta

• division pteridophyta

1. (noun) containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta

• class equisetatae
• class sphenopsida
• equisetatae
• sphenopsida
• class filicinae
• class filicopsida
• filicinae
• filicopsida
• class lycopodiate
• class lycopsida
• lycopodiate
• lycopsida
• class psilopsida
• class psilotatae
• psilopsida
• psilotatae
• fern family
• fern genus
• genus pecopteris
• nonflowering plant
• pteridophyte
• order psilophytales
• psilophytales

1. (noun) containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta

• division

1. (noun) containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta

• kingdom plantae
• plant kingdom
• plantae