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Hymenophyllum multifidum

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Hymenophyllum multifidum
A filmy fern drooping
Hymenophyllum multifidum in Te Papa-Kura-o-Taranaki

Not Threatened (NZ TCS)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Hymenophyllales
Family: Hymenophyllaceae
Genus: Hymenophyllum
Species:
H. multifidum
Binomial name
Hymenophyllum multifidum
(G.Forst.) Sw.

Hymenophyllum multifidum, or the much-divided filmy fern, is a species of fern, endemic to New Zealand.[2][3] It has one of the largest altitudinal ranges of any fern in New Zealand.[4]

Description

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This fern is known for its heavily marginated pinnae, making it look like it is divided into many sections. It often forms colonies with many individuals. The prominent soris, bent at right angles to the fronds, can be used to distinguish it from other ferns, among some other features.[2]

Range and habitat

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This species grows on all of the major islands of New Zealand, as well as in the sub-Antarctic islands.[2] It grows on the forest floor, but can also grow as an epiphyte on rock faces.[2][5]

It can also be found on Lord Howe Island, Vanuatu, Fiji, and Samoa.[4] Some authorities maintain that it is not endemic to New Zealand.[6]

Etymology

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Multifidum means 'much divided', as findere means 'to divide'.

References

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  1. ^ "NZTCS". nztcs.org.nz. Retrieved 24 March 2025.
  2. ^ a b c d "Hymenophyllum multifidum". New Zealand Plant Conservation Network. Retrieved 24 March 2025.
  3. ^ Perrie, Leon; Brownsey, Patrick (2024). Identification guide to the ferns and lycophytes of Aotearoa New Zealand. Wellington: Te Papa Press. p. 167. ISBN 978-1-9911655-5-8.
  4. ^ a b "Flora of New Zealand | Taxon Profile | Hymenophyllum multifidum". www.nzflora.info. Retrieved 24 March 2025.
  5. ^ "Hymenophyllum multifidum - The University of Auckland". www.nzplants.auckland.ac.nz. Retrieved 24 March 2025.
  6. ^ "Hymenophyllum multifidum (G.Forst.) Sw. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 24 March 2025.