Abrodictyum caudatum

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Abrodictyum caudatum

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Hymenophyllales
Family: Hymenophyllaceae
Genus: Abrodictyum
Species:
A. caudatum
Binomial name
Abrodictyum caudatum
(
Brack.) Ebihara K.Iwats.
Synonyms
  • Cephalomanes caudatum (Brack.) Bostock
  • Macroglena caudata (Brack.) Copel.
  • Trichomanes caudatum Brack.

Abrodictyum caudatum is an

epiphytic fern, found in rainforests in eastern Australia.[2]

Taxonomy

The species was first described as Trichomanes caudatum by

indusia. After reviewing the Old World species of filmy ferns, Edwin Copeland came to believe that this arrangement was arbitrary, with a continuum of variation between indusial shapes, and lumped together disparate elements in each genus. Accordingly, he published a revised treatment of the family in 1938, splitting it into no less than thirty-three genera.[4] One of these was the former Trichomanes subgenus Macroglena; he assigned T. caudatum there as Macroglena caudata.[5]

While Copeland's system was adopted by some botanists, others considered his genera to be unduly narrow.

sensu lato into nine genera. They adopted a narrower classification of Cephalomanes, placing T. caudatum in Abrodictyum subg. Abrodictyum as A. caudatum.[7]
Subsequent authors have typically either used this name for the species or, reverting to the bigeneric system, T. caudatum.

In 1861, Roelof van den Bosch described the species Trichomanes milnei based on a collection from Balade, New Caledonia.[8] It has subsequently been treated as a synonym of A. caudatum, although Mary Tindale felt that it probably warranted recognition as a distinct species.[9]

References

  1. ^ "Abrodictyum caudatum (Brack.) Ebihara & K.Iwats". ala.org.au. Retrieved April 5, 2017.
  2. ^ "Abrodictyum caudatum". PlantNet New South Wales Flora Online; author Peter G. Wilson; updated Louisa Murray. Retrieved 2017-04-05.
  3. ^ Brackenridge, William D. (1854). United States Exploring Expedition. Vol. 16. Philadelphia, Pennsylvania: C. Sherman. pp. 256–257.
  4. ^ a b Iwatsuki, Kunio (1984). "Studies in the systematics of filmy ferns VII. A scheme of classification based largely on the Asiatic species". Acta Phytotaxa Geobotanica. 35 (4–6): 165–166.
  5. ^ Copeland, E. B. (1938). "Genera Hymenophyllacearum". Philippine Journal of Science. 67: 84.
  6. ^ Bostock, Peter (1998). Flora of Australia. Vol. 48. p. 706.
  7. doi:10.3767/000651906X622210
    .
  8. ^ Vandenbosch (1861). "Hymenophyllaceae Novae Caledoniae". Annales des sciences naturelles. 4. 15: 89.
  9. ^ Tindale, Mary D. (1963). "Pteridophyta of South Eastern Australia". Contributions from the New South Wales National Herbarium. 201: 44.


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