Abrodictyum

Abrodictyum
Illustration of Abrodictyum cumingii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Hymenophyllales
Family: Hymenophyllaceae
Subfamily: Trichomanoideae
Genus: Abrodictyum
C.Presl[1]
Type species
Abrodictyum cumingii
Presl 1843
Species

See text

Synonyms
  • Habrodictyon corrig. Presl ex van den Bosch
  • Macroglena (Presl 1848) Copeland
  • Selenodesmium (Prantl 1875) Copeland

Abrodictyum is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined Trichomanes.

Taxonomy

The genus Abrodictyum was erected by Carl Presl in 1843.[1] Its status, like other genera in the family Hymenophyllaceae, remains disputed. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) accepts the genus, placing it in the subfamily Trichomanoideae, and saying that there are about 25 species.[2] As of June 2026, the Checklist of Ferns and Lycophytes of the World listed 33 species,[1] whereas Plants of the World Online sank the genus into Trichomanes.[3]

Phylogeny

Abrodictyum[4][5]
(Abrodictyum)

A. asae-grayi (Bosch) Ebihara & K.Iwats.

A. strictum (Menzies ex Hook. & Grev.) Ebihara & K.Iwats.

A. brassii (Croxall) Ebihara & K.Iwats.

A. schlechteri (Brause) Ebihara & K.Iwats.

A. boninense Tagawa & K.Iwats. ex K.Iwats.

A. caudatum (Brack.) Ebihara & K.Iwats. (Bristle fern)

A. flavofuscum (Bosch) Ebihara & K.Iwats.

(Pachychaetum)

A. tamarisciforme (Jacq.) Ebihara & Dubuisson

A. rigidum (Sw.) Ebihara & Dubuisson

A. elongatum (A.Cunn.) Ebihara & K.Iwats.

A. dentatum (Bosch) Ebihara & K.Iwats.

A. laetum (Bosch) Ebihara & K.Iwats.

A. pachyphlebium (C.Chr.) Bauret & Dubuisson

A. inexpectatum Dubuisson & Rouhan

A. dregei (van den Bosch) Dubuisson & Rouhan

A. angustimarginatum (Bonap.) J.P.Roux

A. cylindratum Dubuisson

A. parviflorum (Poiret) Bauret & Dubuisson

Other species:

  • Abrodictyum caespifrons (C.Chr.) comb. ined.
  • Abrodictyum clathratum (Tagawa) Ebihara & K.Iwats.
  • Abrodictyum cumingii C. Presl
  • Abrodictyum franceae Dubuisson et al.
  • Abrodictyum idoneum (C.V.Morton) Ebihara & K.Iwats.
  • Abrodictyum kalimantanense (K.Iwats. & M.Kato) Ebihara & K.Iwats.
  • Abrodictyum obscurum (Blume) Ebihara & K.Iwats.
  • Abrodictyum pluma (Hook.) Ebihara & K.Iwats.
  • Abrodictyum polynesicum Dubuisson & Ebihara
  • Abrodictyum polystromaticum (Bierh.) Ebihara & Dubuisson
  • Abrodictyum setaceum (Bosch) Ebihara & K.Iwats.
  • Abrodictyum sprucei (Baker) Ebihara & Dubuisson
  • Abrodictyum trichophyllum (T.Moore) Dubuisson, Rouhan & Ebihara
  • Abrodictyum truncatum (Copel.) comb. ined.
  • Abrodictyum windischianum (Lellinger) comb. ined.

References

  1. 1 2 3 Hassler, Michael. "Abrodictyum". World Ferns. Retrieved 2026-06-02.
  2. ↑ PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID 39980610
  3. ↑ "Abrodictyum C.Presl", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-06
  4. ↑ Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
  5. ↑ "Tree viewer: interactive visualization of FTOL". FTOL v1.7.0 (GenBank release 261). 2024. Retrieved 2025-05-01.
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