Tips for Growing Maidenhair (Adiantum) Ferns at Home.
FILICINEAE ADIANTUM TENERUM Sw. Maidenhair Fern; Black-stick Maidenhair. This species of maidenhair fern (and, perhaps. others) is used to make tea for colds. Beckwith recorded its use with a number of other plants for this purpose (see Anarcardium occidentale). A. villosum Land A. trapeziforme L. were thought demulcent and pectoral by old writers.