Ophioglossales
Clades: Equisetidae; Equisetopsida; Pteridophyta; Plants.
Members
Family Ophioglossaceae
• Mankyuoideae
◦ Mankyua
• Ophioglossoideae
◦ Cheiroglossa
◦ Ophioderma
◦ Ophioglossum
• Helminthostachyoideae
◦ Helminthostachys
• Botrychioideae
◦ Botrychium
◦ Botrypus
◦ Japanobotrychum
◦ Sahashia
◦ Sceptridium