Toensbergia

Toensbergia
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Rhizocarpales
Family:	Sporastatiaceae
Genus:	Toensbergia; Bendiksby & Timdal (2013)
Type species
	Toensbergia leucococca; (R.Sant.) Bendiksby & Timdal (2013)
Species
	T. blastidiata; T. geminipara; T. leucococca

Toensbergia is a genus of lichen-forming fungi in the family Sporastatiaceae.[1] The genus was circumscribed by Mika Bendiksby and Einar Timdal in 2013. The genus name honours Norwegian lichenologist Tor Tønsberg, "in appreciation of his important work on sorediate, corticolous lichens". The type species is Toensbergia leucococca, which was formerly classified in genus Hypocenomyce, presumably due to its resemblance (morphological, chemical, and ecological) to Hypocenomyce xanthococca.[2]

Description

Toensbergia species are characterised by having a thallus comprising tiny, adnate, crenulate (with a finely scalloped edge), grayish-white areolae. The lichens lack a hypothallus (a growth of undifferentiated fungal mycelium below the thallus), and contain the secondary chemical alectorialic acid.[2]

Species

Toensbergia blastidiata T.Sprib. & Tønsberg (2020)[3] – Alaska
Toensbergia geminipara (Th.Fr.) T.Sprib. & Resl (2020)
Toensbergia leucococca (R.Sant.) Bendiksby & Timdal (2013)

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.
Bendiksby, Mika; Timdal, Ernst (2013). "Molecular phylogenetics and taxonomy of Hypocenomyce sensu lato (Ascomycota, Lecanoromycetes) — extreme polyphyly and morphological/ecological convergence". Taxon. 62 (5): 940–956. doi:10.12705/625.18.
Spribille, Toby; Fryday, Alan M.; Pérez-Ortega, Sergio; Svensson, Måns; Tønsberg, Tor; Ekman, Stefan; Holien, Håkon; Resl, Philipp; Schneider, Kevin; Stabentheiner, Edith; Thüs, Holger; Vondrák, Jan; Sharman, Lewis (2020). "Lichens and associated fungi from Glacier Bay National Park, Alaska". The Lichenologist. 52 (2): 61–181. doi:10.1017/S0024282920000079. PMC 7398404. PMID 32788812.

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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.

[Bendiksby_&_Timdal_2013-2] Bendiksby, Mika; Timdal, Ernst (2013). "Molecular phylogenetics and taxonomy of Hypocenomyce sensu lato (Ascomycota, Lecanoromycetes) — extreme polyphyly and morphological/ecological convergence". Taxon. 62 (5): 940–956. doi:10.12705/625.18.

[Spribille_et_al._2020-3] Spribille, Toby; Fryday, Alan M.; Pérez-Ortega, Sergio; Svensson, Måns; Tønsberg, Tor; Ekman, Stefan; Holien, Håkon; Resl, Philipp; Schneider, Kevin; Stabentheiner, Edith; Thüs, Holger; Vondrák, Jan; Sharman, Lewis (2020). "Lichens and associated fungi from Glacier Bay National Park, Alaska". The Lichenologist. 52 (2): 61–181. doi:10.1017/S0024282920000079. PMC 7398404. PMID 32788812.