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 ...

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 ...

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

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 ...

What: Almost omnipresent in the crooks of big-leaf maples throughout the forests of the maritime Pacific Northwest, licorice fern makes a fantastic garden addition. What many don’t realize is ...

There is a truly remarkable plant in my garden. It grows on top of a dry-stone wall, with nothing more nutritious to feed on than limestone dust. Shrivelled to a crisp in early summer, it recovers by ...