Abrodictyum

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.

Abrodictyum
Illustration of Abrodictyum cumingii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Hymenophyllales
Family: Hymenophyllaceae
Subfamily: Trichomanoideae
Genus: Abrodictyum
C.Presl[1]
Species

See text.

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 October 2019, the Checklist of Ferns and Lycophytes of the World listed 41 species,[1] whereas Plants of the World Online sank the genus into Trichomanes.[3]

Species

As of October 2019, the Checklist of Ferns and Lycophytes of the World accepted the following species:[1]

  • Abrodictyum angustimarginatum (Bonap.) J.P.Roux
  • Abrodictyum asae-grayi (Bosch) Ebihara & K.Iwats.
  • Abrodictyum boninense Tagawa & K.Iwats. ex K.Iwats.
  • Abrodictyum brassii (Croxall) Ebihara & K.Iwats.
  • Abrodictyum caespifrons (C.Chr.) comb. ined.
  • Abrodictyum caudatum (Brack.) Ebihara & K.Iwats.
  • Abrodictyum cellulosum (Klotzsch) Ebihara & Dubuisson
  • Abrodictyum clathratum (Tagawa) Ebihara & K.Iwats.
  • Abrodictyum compactum (Alderw.) comb. ined.
  • Abrodictyum cumingii C. Presl
  • Abrodictyum cylindratum Dubuisson
  • Abrodictyum dentatum (Bosch) Ebihara & K.Iwats.
  • Abrodictyum elongatum (A.Cunn.) Ebihara & K.Iwats.
  • Abrodictyum extravagans (Copel.) comb. ined.
  • Abrodictyum flavofuscum (Bosch) Ebihara & K.Iwats.
  • Abrodictyum franceae Dubuisson et al.
  • Abrodictyum gemmatum (J. Sm. ex Baker) comb. ined.
  • Abrodictyum guineense (Afzel. ex Sw.) J.P.Roux
  • Abrodictyum idoneum (C.V.Morton) Ebihara & K.Iwats.
  • Abrodictyum kalimantanense (K.Iwats. & M.Kato) Ebihara & K.Iwats.
  • Abrodictyum laetum (Bosch) Ebihara & K.Iwats.
  • Abrodictyum meifolium (Bory ex Willd.) Ebihara & K.Iwats.
  • Abrodictyum muluense (K.Iwats.) comb. ined.
  • Abrodictyum obscurum (Blume) Ebihara & K.Iwats.
  • Abrodictyum pachyphlebium (C.Chr.) Bauret & Dubuisson
  • Abrodictyum pluma (Hook.) Ebihara & K.Iwats.
  • Abrodictyum polystromaticum (Bierh.) comb. ined.
  • Abrodictyum pseudoarbuscula (Alderw.) comb. ined.
  • Abrodictyum pseudorigidum Dubuisson et al.
  • Abrodictyum rigidum (Sw.) Ebihara & Dubuisson
  • Abrodictyum saxatile (T. Moore) Parris
  • Abrodictyum schlechteri (Brause) Ebihara & K.Iwats.
  • Abrodictyum schultzei (Brause) comb. ined.
  • Abrodictyum setaceum (Bosch) Ebihara & K.Iwats.
  • Abrodictyum setigerum (Backh.) Parris
  • Abrodictyum sprucei (Baker) Ebihara & Dubuisson
  • Abrodictyum strictum (Menzies ex Hook. & Grev.) Ebihara & K.Iwats.
  • Abrodictyum stylosum (Poir.) J.P.Roux
  • Abrodictyum tamarisciforme (Jacq.) Ebihara & Dubuisson
  • Abrodictyum truncatum (Copel.) comb. ined.
  • Abrodictyum windischianum (Lellinger) comb. ined.

References
  1. Hassler, Michael & Schmitt, Bernd (August 2019), "Abrodictyum", Checklist of Ferns and Lycophytes of the World, 8.02, retrieved 2019-10-06
  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


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