Palicella

Palicella
	Palicella schizochromatica
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Lecanoraceae
Genus:	Palicella; Rodr.Flakus & Printzen (2014)
Type species
	Palicella glaucopa; (Hook.f. & Taylor) Rodr.Flakus & Printzen (2014)
Species
	P. anakeestiicola; P. filamentosa; P. glaucopa; P. schizochromatica; P. xantholeuca

Palicella is a genus of crustose lichens in the family Lecanoraceae.[1] It contains five species.

Taxonomy

The genus was circumscribed in 2014 by lichenologists Pamela Rodriguez-De Flakus and Christian Printzen to accommodate the type species, Palicella glaucopa (formerly placed in the genus Lecidea), and two closely related species, P. filamentosa and P. schizochromatica. Molecular analyses of these lichens revealed a monophyletic clade that is sister to representatives from two Lecanoraceae genera, Lecanora symmicta and Pyrrhospora quernea.[2] Two additional species were transferred to Palicella from Lecanora in 2019.[3][4]

Description

Palicella species have biatorine apothecia, which are often darkened (by the pigment cinereorufa-green), an exciple (a saucer-shaped rim around the hymenium) consisting of radiating, narrow hyphae with elongated lumina, and a hymenium with branched and sparsely anastomosed paraphyses. Other microscopic characteristics include an ascus with a broad axial body surrounded by a distinct darker staining layer, and ascospores with a narrow ellipsoid shape.[2]

Species

As of December 2021, Species Fungorum accepts five species in Palicella:[5]

Palicella anakeestiicola (Lendemer & E.Tripp) S.Y.Kondr., L.Lőkös & Farkas (2019)[3]
Palicella filamentosa (Stirt.) Rodr.Flakus & Printzen (2014)
Palicella glaucopa (Hook.f. & Taylor) Rodr.Flakus & Printzen (2014)
Palicella schizochromatica (Pérez-Ort., T.Sprib. & Printzen) Rodr.Flakus & Printzen (2014)
Palicella xantholeuca (Müll.Arg.) Fryday & Orange (2019)[4]

References

Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi:10.5943/mycosphere/11/1/8.
Rodriguez Flakus, Pamela; Printzen, Christian (2014). "Palicella, a new genus of lichenized fungi and its phylogenetic position within Lecanoraceae". The Lichenologist. 46 (4): 535–552. doi:10.1017/S0024282914000127.
Kondratyuk, S.Y.; Lőkös, L.; Jang, S.-H.; Hur, J.-S.; Farkas, E. (2019). "Phylogeny and taxonomy of Polyozosia, Sedelnikovaea and Verseghya of the Lecanoraceae (Lecanorales, lichen-forming Ascomycota)" (PDF). Acta Botanica Hungarica. 61 (1–2): 137–184. doi:10.1556/034.61.2019.1-2.9.
Fryday, A.M.; Orange, A.; Ahti, T.; Øvstedal, D.O.; Crabtree, D.E. (2019). "An annotated checklist of lichen-forming and lichenicolous fungi reported from the Falkland Islands (Islas Malvinas)". Glalia. 8 (1): 15.
Source dataset. Species Fungorum Plus: Species Fungorum for CoL+. "Palicella". Catalog of Life Version 2021-12-18. Retrieved 27 December 2021.

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[Wijayawardene_et_al._2020-1] Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi:10.5943/mycosphere/11/1/8.

[Rodriguez_Flakus_&_Printzen_2014-2] Rodriguez Flakus, Pamela; Printzen, Christian (2014). "Palicella, a new genus of lichenized fungi and its phylogenetic position within Lecanoraceae". The Lichenologist. 46 (4): 535–552. doi:10.1017/S0024282914000127.

[Kondratyuk_et_al._2019-3] Kondratyuk, S.Y.; Lőkös, L.; Jang, S.-H.; Hur, J.-S.; Farkas, E. (2019). "Phylogeny and taxonomy of Polyozosia, Sedelnikovaea and Verseghya of the Lecanoraceae (Lecanorales, lichen-forming Ascomycota)" (PDF). Acta Botanica Hungarica. 61 (1–2): 137–184. doi:10.1556/034.61.2019.1-2.9.

[Friday_et_al._2019-4] Fryday, A.M.; Orange, A.; Ahti, T.; Øvstedal, D.O.; Crabtree, D.E. (2019). "An annotated checklist of lichen-forming and lichenicolous fungi reported from the Falkland Islands (Islas Malvinas)". Glalia. 8 (1): 15.

[CoL-Species_Fungorum-5] Source dataset. Species Fungorum Plus: Species Fungorum for CoL+. "Palicella". Catalog of Life Version 2021-12-18. Retrieved 27 December 2021.