Salviniaceae Azolla filiculoides Lam. (New World: Alaska, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil...
Schizaeaceae Lygodium flexuosum (L.) Sw. (Tropical & Subtropical Asia to N. Australia: Andaman Is., Assam, Bangladesh, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India,...
