— Short, snippet-friendly answers to the most-asked questions about Licorice Fern (Polypodium glycyrrhiza). For the full profile with citations, open the main page.
Licorice Fern (Polypodium glycyrrhiza) is a deciduous fern native to the Pacific Northwest and Alaska, extending south to California and eastward into Idaho and Kamchatka. Licorice Fern (Latin: Polypodium glycyrrhiza, family Polypodiaceae) is a medicinal plant catalogued in PlantSage.
Licorice Fern is most often used to support digestion and immune support. Each claim is rated by evidence strength - see the full profile for citations.
Licorice Fern is generally considered safe when used at traditional doses. Always consult a clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children.
Licorice Fern is a member of the Polypodiaceae family native to ASK, ALU, BRC, CAL, IDA, and KAM. Licorice Fern thrives in partial sun to full sun and prefers moist soil that is light (sandy), medium, or heavy (clay).
Licorice Fern grows best in USDA zone 6-9, full sun, partial sun/shade light, and moist water. Detailed sowing, propagation, and care notes are on the full profile.
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