Order: Vortelavordenen (Pertusariales)
Norwegian name: Vortelavordenen
Systematics :
| Kingdom | Soppriket (Fungi) | |||||||
| Phylum | Sekksporesopp (Ascomycota) | |||||||
| Subphylum | Ekte sekksporesopper (Pezizomycotina) | |||||||
| Klasse | Kantlaver (Lecanoromycetes) | |||||||
| Order | Vortelavordenen (Pertusariales) | |||||||
| Family | Pertusariaceae | |||||||
| Genus | Ochrolechia | |||||||
| Genus | Pertusaria | |||||||
| Species | Bitterlav (Pertusaria amara) | |||||||
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