Order of ferns with just three living genera, two of which are widespread in the northern temperate regions, Botrychium, the grape ferns and Ophioglossum, the adder’s tongues. Their gametophytes are subterranean and tuberous.
Subcategories 1
Sites 0
Loading new listings for you to review...
Do you know a site that clearly belongs in this particular category? Suggest it!