| Porpidia crustulata |
| Nederlands | : | Kleine blauwkorst |
| English | : | Concentric boulder lichen |
| Deutsch | : | Krustige Ringflechte |
| Svenska | : | liten blocklav |
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| Valkeveen, the Netherlands; 7 March 2015. | ||
| Porpidia crustulata |
| Nederlands | : | Kleine blauwkorst |
| English | : | Concentric boulder lichen |
| Deutsch | : | Krustige Ringflechte |
| Svenska | : | liten blocklav |
|
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|
|
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| Valkeveen, the Netherlands; 7 March 2015. | ||