| Kingdom | Fungi |
|---|---|
| Phylum | Ascomycota |
| Class | Ascomycetes |
| Order | Lecanorales |
| Family | Cladoniaceae |
| Genus | Cladonia (4) |
| Size |
Height: 4-10 cm (6) |
Classified as Critically Endangered in Great Britain, and receives general protection under the Wildlife and Countryside Act 1981.