| Cladonia coccifera | |
|---|---|
|   | |
| Scientific classification   | |
| Kingdom: | Fungi | 
| Division: | Ascomycota | 
| Class: | Lecanoromycetes | 
| Order: | Lecanorales | 
| Family: | Cladoniaceae | 
| Genus: | Cladonia | 
| Species: | C. coccifera | 
| Binomial name | |
| Cladonia coccifera | |
| Synonyms [2] | |
Cladonia coccifera or madame's cup lichen [3] is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described by Swedish lichenologist Carl Linnaeus in his 1753 work Species Plantarum . [4] German botanist Carl Ludwig Willdenow transferred it to the genus Cladonia in 1787. [5] The lichen has apothecia and bright red pycnidia atop of yellowish to grey-green podetia that are 1–2 cm (0.4–0.8 in) high. The base of the thallus comprises rounded squamules (scales) with a yellow to orange-brown undersurface. It typically occurs on acidic peaty and sandy soils. [6]
The lichen has a circumpolar distribution in the Northern Hemisphere, which extends south to the Himalayas. [7]