Myriospora tangerina occurs in Europe and North America. It is a high-mountain species on natural metal-rich siliceous rocks, at vertical to overhanging faces. In the Czech Republic M. tangerina is rare, so far reported from the Krkonoše (Obří důl), Hrubý Jeseník Mountains and Drbákov-Albertovy skály.
The species is orange colored, has large areoles up to 6 mm wide and has many punctiform apothecia. In the largest areoles in can have over 100 apothecia. The hymenium is usually above 180 μm high. It is occasionally pale orange, almost brown in partial shade.
Literature: Knudsen K., Kocourková J. & Lendemer J.C. (2017): Acarospora smaragdula var. lesdainii forma fulvoviridula is a synonym of Myriospora scabrida. – Opuscula Philolichenum 16: 312–316. Westberg M., Crewe A.T., Purvis O.W. & Wedin M. (2011): Silobia, a new genus for the Acarospora smaragdula complex (Ascomycota, Acarosporales) and a revision of the group in Sweden. – Lichenologist 43: 7–25.
taxonomic classification:Ascomycota → Lecanoromycetes → Acarosporales → Acarosporaceae → Myriospora
most frequented synonyms:Silobia tangerinaRed List (Malíček 2023):DD – data deficient
Occurrence in the Czech Republic
All records: 6, confirmed 6. One click on a selected square displays particular record(s), including their source(s).