Rexiella

Rexiella
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Cladoniaceae
Genus:	Rexiella; S.Stenroos, Pino‐Bodas & Ahti (2019)
Species:	R. sullivanii
Binomial name
	Rexiella sullivanii; (Müll.Arg.) S.Stenroos, Pino‐Bodas & Ahti (2019)
Synonyms
	Rexia S.Stenroos, Pino‐Bodas & Ahti (2018);

Rexiella is a lichen genus in the family Cladoniaceae. The genus, originally circumscribed with the name Rexia by authors Soili Stenroos, Raquel Pino-Bodas, and Teuvo Ahti in 2018, was created to contain the species Cladonia sullivanii, first formally described in 1882 by Swiss botanist Johannes Müller Argoviensis.^[2] After publication of the new genus, it was discovered that the name was illegitimate, because an earlier homonym had been published; the generic name D.A.Casamatta, S.R.Gomez & J.R.Johansen had already been created in 2006 to contain the cyanobacterial species Rexia erecta. The new name Rexiella was therefore proposed in 2019.^[1] This name honours the Australian lichenologist Rex Filson, who published monographs on the genera Cladia and Heterodea.^[2]

Rexiella differs from Cladia by the presence of thick pseudopodetia with black to white, tightly packed, and loosely woven medulla. The genus produces the secondary compounds usnic acid and . Rexiella sullivanii is found in Australia, New Zealand, and South America.^[2]

References[]

^ ^a ^b Stenroos, Soili; Pino‐Bodas, Raquel; Ahti, Teuvo (2019). "Rexiella, a new name for Rexia S. Stenroos, Pino‐Bodas & Ahti (2018), non Rexia D. A. Casamatta, S. R. Gomez & J. R. Johansen (2006)". Cladistics. 35 (5): 603. doi:10.1111/cla.12401.
^ ^a ^b ^c Stenroos, Soili; Pino‐Bodas, Raquel; Hyvönen, Jaakko; Lumbsch, Helge Thorsten; Ahti, Teuvo (2018). "Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota) based on sequences of multiple loci". Cladistics. 35 (4): 351–384. doi:10.1111/cla.12363. hdl:10261/247495. S2CID 92664622.

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[Stenroos_et._al._2019-1] Stenroos, Soili; Pino‐Bodas, Raquel; Ahti, Teuvo (2019). "Rexiella, a new name for Rexia S. Stenroos, Pino‐Bodas & Ahti (2018), non Rexia D. A. Casamatta, S. R. Gomez & J. R. Johansen (2006)". Cladistics. 35 (5): 603. doi:10.1111/cla.12401.

[Stenroos_et_al._2018-2] Stenroos, Soili; Pino‐Bodas, Raquel; Hyvönen, Jaakko; Lumbsch, Helge Thorsten; Ahti, Teuvo (2018). "Phylogeny of the family Cladoniaceae (Lecanoromycetes, Ascomycota) based on sequences of multiple loci". Cladistics. 35 (4): 351–384. doi:10.1111/cla.12363. hdl:10261/247495. S2CID 92664622.

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