Notogrammitis billardierei

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Finger fern
Finger Fern Grammitis billardierei - Mt Imlay.jpg
Finger Fern in the rainforest below the summit of Mount Imlay, Australia The pale green plants are moss
Scientific classification e
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida/Pteridopsida
Order: Polypodiales
(unranked): Eupolypods I
Family: Polypodiaceae
Genus: Notogrammitis
Species: N. billardierei
Binomial name
Notogrammitis billardierei
(Willdenow) Parris

Grammitis australis
Grammitis billardierei Willd.
Grammitis meridionalis
Polypodium billardierei

Notogrammitis billardierei, the common finger-fern or strap fern is a small fern growing in high rainfall areas of south-east Australia and in New Zealand. A common plant, growing on branches, logs or on rocks in and near rainforest.[1]

Strap-like leaves are 5 to 15 cm long, and up to 10 mm wide. Occasionally broader at the end than at the base of the frond. The sporangia are grouped into sori, which grow on the underside of the frond, in irregular patterns. The sori are not round, as in many grammitids, but long and thin.

Willdenow named this species for the French naturalist Jacques Labillardière.


  1. ^ Barbara S. Parris. 1998. "Grammitidaceae" pages 450-468. In: Anthony E. Orchard (executive editor) and Patrick M. McCarthy (volume editor). Flora of Australia volume 48, Ferns, Gymnosperms, and Allied Groups. ABRS/CSIRO: Melbourne, Australia.

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