Pecluma curvans (Mett.)... powo.science.kew.org

Polypodium sp. | Ferns and... www.fernsoftheworld.com

Polypodium sp. | Ferns and... www.fernsoftheworld.com

Polypodium appalachianum |... www.fernsoftheworld.com

Polypodium cambricum |... www.fernsoftheworld.com

Polypodium sp. | Ferns and... www.fernsoftheworld.com

Polypodium - Wikipedia en.wikipedia.org

Pecluma curvans (Mett.)... powo.science.kew.org

Neotropical Plant Portal -... serv.biokic.asu.edu

Neotropical Plant Portal -... serv.biokic.asu.edu

Polypodium cambricum |... www.fernsoftheworld.com

HVAA - Polypodium herbariovaa.org

World Plants: Plant List www.worldplants.de

HVAA - Polypodium herbariovaa.org

Neotropical Plant Portal -... serv.biokic.asu.edu

Polypodium appalachianum |... www.fernsoftheworld.com

HVAA - Polypodium herbariovaa.org

Neotropical Plant Portal -... serv.biokic.asu.edu

Price, Michael G . 1983.... www.biodiversitylibrary.org...

Polypodium appalachianum |... www.fernsoftheworld.com