| 1. |
(noun) one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Blotiella; Dennstaedtia; Histiopteris; Hypolepis; Leptolepia; Lindsaea; Lonchitis; Microlepia; Odontosoria; Oenotrichia; Paesia; Pteridium; Saccoloma; Sphenomeris |