Apparently rare, boreal Cetraria. It is closely related to the species C. aculeata, from which it differs in minor morphological traits. Still, the safest identification is via molecular methods (Lutsak et al. 2020). Due to the problematic differentiation and frequent confusions with other species, its distribution and ecology are little known. It seems to grow in similar habitats as C. aculeata, but exhibits the affinity for colder regions. However, the data from the Czech Republic are based on the unreliable morphological traits and need to be revised. The occurrence of C. muricata is potentially possible in the Czech highest mountains.
Literature: Lutsak T., Fernández-Mendoza F., Kirika P., Wondafrash M. & Printzen C. (2020): Coalescence-based species delimitation using genome-wide data reveals hidden diversity in a cosmopolitan group of lichens. – Organisms Diversity and Evolution 20: 189–218.taxonomic classification:
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