3 articles
Polypodium
Polypodium (polypody ferns), family Polypodiaceae, published by Linnaeus in 1753; creeping-rhizome epiphytic ferns with exindusiate sori, native from temperate Northern Hemisphere to Tropical America and Africa, about 225 species broadly, 46 accepted.
Polypodium glycyrrhiza
Polypodium glycyrrhiza, the licorice fern, is a Pacific Rim epiphytic fern of Polypodiaceae from Kamchatka and Alaska to California, summer deciduous on mossy bigleaf maples, with a sweet polypodoside rhizome chewed by Indigenous peoples.
Polypodium vulgare
Polypodium vulgare (common polypody) is a temperate fern of Polypodiaceae, type species of Polypodium, described by Linnaeus in 1753; an allotetraploid restricted to Europe, with rhizome used as a traditional EMA-listed expectorant.