The only two specimens of this species reported from the Czech Republic (Czarnota 2007, Malíček & Palice 2013) are very similar to M. globulosella but lack gyrophoric acid (respectively, it was not detected by C spot reaction and TLC). However, it is possible that M globulosella sometimes contains only a trace amount of this substance. This problematic need to be further studied, at this moment it cannot be ruled out that the true M. synotheoides does not occur in the country.
Literature: Czarnota P. (2007): The lichen genus Micarea (Lecanorales) Ascomycota) in Poland. – Polish Botanical Studies 23: 1–199. Malíček J. & Palice Z. (2013): Lichens of the virgin forest reserve Žofínský prales (Czech Republic) and surrounding woodlands. – Herzogia 26: 253–292.taxonomic classification:
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