Cultivation and Uses
Numerous cultivars have been selected for garden use. The species and the cultivar 'Cristata' have both gained the Royal Horticultural Society's Award of Garden Merit.
The root was used, until recent times, as an anthelmintic to expel tapeworms, but has been replaced by less toxic and more effective drugs. The anthelmintic activity has been claimed to be due to flavaspidic acid, a phloroglucinol derivative.
Read more about this topic: Dryopteris Filix-mas
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“The cultivation of one set of faculties tends to the disuse of others. The loss of one faculty sharpens others; the blind are sensitive in touch. Has not the extreme cultivation of the commercial faculty permitted others as essential to national life, to be blighted by disease?”
—J. Ellen Foster (1840–1910)