Pocsia

<i>Phylloblastia</i>

Phylloblastia

Genus of lichens

Phylloblastia is a genus of foliicolous (leaf-dwelling) lichens in the family Verrucariaceae.[2] The genus was circumscribed in 1921 by Finnish lichenologist Edvard August Vainio, with Phylloblastia dolichospora assigned as the type species.[3]

Quick Facts Phylloblastia, Scientific classification ...

Description

Genus Phylloblastia comprises crustose lichens with sometimes very tiny, scale-like formations. The cortex of these lichens is either absent or very thin, structured in a paraplectenchymatous manner. In species found outside of Europe, disc-shaped to shield-like isidia are often observed. The photobiont component is typically chlorococcoid, featuring green algal cells that are angular-rounded and grouped irregularly or in clusters.[4]

The ascomata, or spore-producing structures, are perithecia, which means they are sessile (not on a stalk) and range from hemispherical to almost spherical in shape. These structures have colours from pale orange to black. While paraphyses (sterile filaments within the ascomata) are absent, periphyses (hair-like structures at the mouth of the perithecia) are usually present. The asci (spore-bearing cells) have a fissitunicate structure, meaning they have a double wall that splits to release spores.[4]

Typically, there are eight ascospores per ascus. These spores are oblong to cylindrical in shape, with transverse or muriform (divided in all three dimensions) septation, but without constrictions at the septa, and are colourless. The genus does not show the presence of conidiomata (asexual reproductive structures). Chemical analysis using thin-layer chromatography has not detected any specific secondary metabolites (lichen products) in these lichens.[4]

Species

  • Phylloblastia alvaroi (Herrera-Camp. & Lücking) Lücking (2008)[5]
  • Phylloblastia bielczykiae Flakus & Lücking (2008)[6] – Bolivia
  • Phylloblastia blechnicola P.M.McCarthy & Stajsic (2013)[7] – Australia
  • Phylloblastia borhidii (Farkas & Vězda) Lücking (2008)[8] – Tanzania
  • Phylloblastia dispersa (Vězda) Lücking (2008)[8]
  • Phylloblastia dolichospora Vain. (1921)[3]
  • Phylloblastia excavata P.M.McCarthy (2010)[9] – Australia
  • Phylloblastia fortuita Llop & Gómez-Bolea (2009)[10] – Europe
  • Phylloblastia inconspicua Lücking (2008)[11] – Central America
  • Phylloblastia inexpectata Sérus., Coppins & Lücking (2007)[12] – Europe
  • Phylloblastia marattiae (Vězda) Lücking (2008)[8]
  • Phylloblastia mucronata (P.M.McCarthy) Lücking (2008)[5]
  • Phylloblastia pocsii (Farkas & Vězda) Lücking (2008)[8]
  • Phylloblastia septemseptata (Vězda) Lücking (2008)[5]
  • Phylloblastia triseptata (Kalb & Vězda) Lücking (2008)[8]
  • Phylloblastia verheyeniana Van den Broeck, Lücking & Ertz (2014)[13] – Democratic Republic of the Congo

References

  1. [1]
    "Synonymy. Current Name: Phylloblastia Vain., Ann. Acad. Sci. fenn., Ser. A 15(no. 6): 323 (1921)". Species Fungorum. Retrieved 7 July 2022.
  2. [2]
    Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453. doi:10.5943/mycosphere/13/1/2. hdl:10481/76378. S2CID 249054641.
  3. [3]
    Vainio, E.A. (1921). "Lichenes insularum Philippinarum III". Annales Academiae Scientiarum Fennicae (in Latin). 15 (6): 323.
  4. [4]
    Sérusiaux, E.; Lücking, R. (2009). "Phylloblastia Vain. (1921)". In Smith, C.W.; Aptroot, A.; Coppins, B.J.; Fletcher, F.; Gilbert, O.L.; James, P.W.; Wolselely, P.A. (eds.). The Lichens of Great Britain and Ireland (2nd ed.). London: The Natural History Museum. p. 308. ISBN 978-0-9540418-8-5.
  5. [5]
    Lücking 2008, p. 202.
  6. [6]
    Flakus, Adam; Lücking, Robert (2008). "New species and additional records of foliicolous lichenized fungi from Bolivia". The Lichenologist. 40 (5): 423–436. doi:10.1017/s0024282908007378. S2CID 84209993.
  7. [7]
    McCarthy, P.M.; Stajsic, V. (2013). "Phylloblastia blechnicola (Ascomycota, Verrucariaceae), a new leaf-inhabiting lichen from southern Victoria, Australia". Muelleria. 31: 49–52. doi:10.5962/p.295676. S2CID 251007813.
  8. [8]
    Lücking 2008, p. 201.
  9. [9]
    McCarthy, P.M. (2010). "New and interesting foliicolous lichens from Australia". Australasian Lichenology. 66: 4–15.
  10. [10]
    Llop, Esteve; Gómez-Bolea, Antonio (2009). "The lichen genus Phylloblastia (Verrucariaceae) in the Iberian Peninsula, with a new species from Western Europe". The Lichenologist. 41 (6): 565–569. doi:10.1017/s002428290900872x. S2CID 84652739.
  11. [11]
    Lücking 2008, p. 203.
  12. [12]
    Sérusiaux, Emmanuël; Coppins, Brian J.; Lücking, Robert (2007). "Phylloblastia inexpectata (Verrucariaceae), a new species of foliicolous lichen from Western Europe and Madeira" (PDF). The Lichenologist. 39 (2): 103–108. doi:10.1017/s0024282907006500. hdl:2268/22812. S2CID 83704683.
  13. [13]
    Van den Broeck, Dries; Lücking, Robert; Ertz, Damien (2014). "The foliicolous lichen biota of the Democratic Republic of the Congo, with the description of six new species". The Lichenologist. 46 (2): 141–158. doi:10.1017/s0024282913000790. S2CID 86977679.

Cited literature

  • Lücking, Robert (2008). Foliicolous Lichenized Fungi. Flora Neotropica. Vol. 103. Bronx, NY: New York Botanical Garden Press. pp. 1–867. ISBN 978-0-89327-491-7.
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