Palicella

Palicella
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)

Palicella is a genus of lichen in the family Lecanoraceae. It was circumscribed in 2014 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.[1] Two additional species were transferred to Palicella from Lecanora in 2019.[2][3]

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.[1]

Species

Palicella anakeestiicola (Lendemer & E.Tripp) S.Y.Kondr., L.Lőkös & Farkas 2019[2]
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[3]

References

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, SY; 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)". Acta Botanica Hungarica. 61 (1–2): 137–184. doi:10.1556/034.61.2019.1-2.9.
Fryday, AM; Orange, A; Ahti, T; Øvstedal, DO; Crabtree, DE (2019). "An annotated checklist of lichen-forming and lichenicolous fungi reported from the Falkland Islands (Islas Malvinas)" (PDF). Glalia. 8 (1): 15.

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[Rodriguez_Flakus_&_Printzen_2014-1] 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._2019-2] Kondratyuk, SY; 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)". Acta Botanica Hungarica. 61 (1–2): 137–184. doi:10.1556/034.61.2019.1-2.9.

[Friday_et_al._2019-3] Fryday, AM; Orange, A; Ahti, T; Øvstedal, DO; Crabtree, DE (2019). "An annotated checklist of lichen-forming and lichenicolous fungi reported from the Falkland Islands (Islas Malvinas)" (PDF). Glalia. 8 (1): 15.