Author:Christopher H. Haufler Treatments BBommeria Bommeria hispida CCystopteris Cystopteris bulbifera Cystopteris fragilis Cystopteris laurentiana Cystopteris montana Cystopteris protrusa C cont.Cystopteris reevesiana Cystopteris tennesseensis Cystopteris tenuis Cystopteris utahensis PPolypodium Polypodium amorphum Polypodium appalachianum Polypodium californicum P cont.Polypodium calirhiza Polypodium glycyrrhiza Polypodium hesperium Polypodium saximontanum Polypodium scouleri Polypodium sibiricum Polypodium triseriale Polypodium virginianum