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Hymenophyllum spp Moore49.png
A plate featuring Hymenophyllum species from The Ferns of Great Britain and Ireland
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Hymenophyllales
Family: Hymenophyllaceae
Subfamily: Hymenophylloideae
Genus: Hymenophyllum

Hymenophyllum is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved ferns. The leaves are generally only one cell thick and lack stomata, making them vulnerable to desiccation. Consequently, they are found only in very humid areas, such as in moist forests and among sheltered rocks. They are small and easy to overlook.


See also[edit]

  • Trichomanes, the members of which are also called filmy ferns.


  1. ^ a b English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 494. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 24 December 2016 – via Korea Forest Service.

External links[edit]