Additional notes (click to expand)

Medicinal

The species was previously used as a treatment for tapeworm. No longer used due to toxic side effects.
Podlech, D. (1996). Herbs & Healing Plants of Britain & Europe, Collins p.196

Toxicity

The species is toxic due to phloroglucinols.
Professor Anthony Dayan, 2021

Dryopteris filix-mas 'Crispa Cristata'

Family: POLYPODIACEAE
Genus: Dryopteris
Species: filix-mas
Cultivar: 'Crispa Cristata'
Common names: Male Fern
Distribution summary: N. America, Eurasia
Habit: Perennial
Hardiness: H5 - Hardy; cold winter
Garden status: Currently grown
Garden location: Poisons garden (PETO)
Reason for growing: Medicinal, toxic


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