Kingdom: Plantae
Division: Archeophyta
Class: Ophioglossopsida
Inclusion of the Botryciaceae and Helminthostachyaceae in an order separate from the Ophioglossaceae is not accepted by most workers. I have done so because I believe the separation is ancient enough to warrant the separation, especially considering that the Ophioglossaceae has a basal chromosome count of n=240, while the Botrychiaceae has counts of n=45, 46.
Families of Botrychiales:
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This page was last revised on 11-10-1997.