But in Yunnan province, many plants (including D. delavayi) are habitually used as Rhizoma Drynariae.

The genes over expression of OP rats models regain normal after the models were fed on flavonoids of Rhizoma Drynariae.

The species recorded on the "Rhizoma Drynariae" item of Chinese Pharmacopeia is the dry rhizoma of Drynaria fortunei from Polypodiacae.