Subfamily Botrychioideae Presl 1845 (fern)
Pteridopsida - Ophioglossales - Ophioglossidae
Parent taxon: Ophioglossaceae according to PPG. I 2016
Sister taxa: Lycopodiacidites, Mankyuoideae, Ophioglossoideae
Subtaxa: Botrychium
Distribution:
• Quaternary of Australia (1 collection), India (1), United States (2: North Carolina, Washington)
• Pliocene of United States (1: Massachusetts)
• Miocene of Canada (1: Northwest Territories)
• Oligocene to Miocene of Argentina (1)
• Paleocene of Canada (1: Alberta)
Total: 8 collections each including a single occurrence