Polypodium leucotomos is a tropical fern native to the Americas. Taking supplements or using topical creams made from the plant is thought to help treat inflammatory skin conditions and protect ...

Calagula, calagualine, ferns, Polypodiaceae (family), Polypodium cambricum, Polypodium decumanum, Polypodium vulgare, samambaia. Extracts of fern species (family Polypodiaceae) have been used ...

MILAN — Application of topical or both topical and oral polypodium leucotomos extract (PLE) was associated with significant reversal of adverse skin changes in patients with severe actinic keratoses ...

IN two recent publications 1,2 on the cytogenetics of “Polypodium vulgare” the situation in Europe has been made fairly clear. There are three distinct species (perhaps ecospecies), one of which, the ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...