1. Dryopteris Rig'Ida (Aspidium Rig'Idum)

Dryopteris Rig'Ida (Aspidium Rig'Idum). S. Europe, California. Rhizome longer, thinner, with 6 vascular bundles. D. athaman'tica (A. athaman'ticum)-, S. Africa. Rhizome thicker, firmer than official, inside brownish, with black resin dots, broader vascular bundles.

2. Osmun'Da Rega'Lis, Flowering Fern, Adian'Tum Peda'Tum, Maidenhair And Polypo'Dium Milga'Re, Common Polypody

Osmun'Da Rega'Lis, Flowering Fern, Adian'Tum Peda'Tum, Maidenhair And Polypo'Dium Milga'Re, Common Polypody. All used for chronic catarrh, asthma, pectoral demulcent, tonic.