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Knudsen's birdnest fern

Scientific Name: Asplenium polyodon var. knudsenii

Family: Aspleniaceae

Category: Fern

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Asplenium polyodon var. knudsenii

Also known as Knudsen's Birdnest Fern, this plant belongs to the fern group.

Considerations for Pets

  • Several species of epiphytic ferns in the Asplenium genus are referred to by the common name "Bird's-nest fern".

Taxonomy and Nomenclature

  • Scientific Name: Asplenium polyodon G. Forst. var. knudsenii (Hillebr.) Morton
  • Common Name: Knudsen's Birdnest Fern
  • Family: Aspleniaceae
  • Kingdom: (Implied: Plantae, based on it being a plant)
  • Taxonomic Rank: Variety
  • Synonyms:
    • Asplenium knudsenii Hbd.
    • Asplenium polyodon var. nitidulum (Skottsb.) Morton
  • Taxon ID: 192134

Distribution and Habitat

  • Native to Hawai'i.
  • Observed at Makawao Forest Reserve, Maui.

Morphological Characteristics

  • Classified as a Forb/herb.
  • Perennial plant.
  • Medium size, reaching up to 15 cm in height.
  • Maintains a green color throughout the spring, summer, autumn, and winter.

Ecological Role

  • Bird's nest ferns in rainforest canopies can act as climate-contingent refuges for frogs.

Taxonomic Classification

  • Class: Polypodiopsida – leptosporangiate ferns
  • Subclass: Polypodiidae C.V. Morton – Knudsen's birdnest fern

Interactions with Other Organisms

  • Mentioned as a site where birds nest and roost (related to Asplenium nidus).
  • In rainforest canopies, Asplenium bird's nest ferns can act as climate-contingent refuges for frogs.

Further Information

  • Referenced in "Hawai'i's Ferns and Fern Allies" by Palmer (2003).
  • Specimen discovered by Mr. Augustus Knudsen of Kaua'i, documented by Rock (1919).
  • Mentioned by the United States Department of Agriculture and the Australian New Crops Web Site.