Asplenium surrogatum

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Asplenium surrogatum
File:Asplenium surrogatum RBG Sydney.jpg
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Aspleniaceae
Genus: Asplenium
Species:
A. surrogatum
Binomial name
Asplenium surrogatum
Synonyms[1]
  • Asplenium lucidum var. incisum (Benth.) Bonap.
  • Benth. Asplenium obtusatum var. incisum

Asplenium surrogatum is a species of fern in the family Aspleniaceae.[1][2] It is endemic to Australia's subtropical Lord Howe Island in the Tasman Sea. It grows both terrestrially and as an epiphyte. It occurs in forest at high elevations on the island's mountains.[3]

Taxonomy

A global phylogeny of Asplenium published in 2020 divided the genus into eleven clades,[4] which were given informal names pending further taxonomic study. A. surrogatum belongs to the "Neottopteris clade",[5] members of which generally have somewhat leathery leaf tissue. It forms a clade with A. milnei and A. pteridoides, two other Lord Howe Island endemics, suggesting that all three species diverged after a single colonization of the island by their ancestor.[6] This clade is sister to a large group of Pacific Ocean spleenworts.[5]

References

  1. 1.0 1.1 "Asplenium surrogatum P.S.Green". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved April 28, 2024.
  2. "Asplenium surrogatum P.S.Green". Catalogue of Life. Species 2000. n.d. Retrieved April 28, 2024.
  3. Brown, E.A. "Asplenium surrogatum P.S.Green". PlantNET: New South Wales Flora Online. National Herbarium of NSW: Sydney. Retrieved 2014-01-23.
  4. Xu et al. 2020, p. 27.
  5. 5.0 5.1 Xu et al. 2020, p. 31.
  6. Xu et al. 2020, p. 41.