Microgramma heterophylla (L.) Wherry - Clinging snake fern. Synonymy: Polypodium heterophyllum L.
Microgramma lycopodioides (L.) Copeland - Clubmoss snake fern. Synonymy: Polypodium lycopodioides L.
Microgramma piloselloides (L.) Copeland - Hairy snake fern. Synonymy: Polypodium piloselloides L.