Collema
| Collema | |
|---|---|
| Collema flaccidum | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Ascomycota | 
| Class: | Lecanoromycetes | 
| Order: | Peltigerales | 
| Family: | Collemataceae | 
| Genus: | Collema Weber ex F.H.Wigg. (1780) | 
| Type species | |
| Collema lactuca (Weber) Weber ex F.H.Wigg. (1780) | |
| Synonyms | |
| List 
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Collema (jelly lichen) is a genus of lichens in the family Collemataceae. The photobiont is the cyanobacterium genus Nostoc. Species in this genus typically grow on nutrient-rich bark or somewhat siliceous or calcareous rocks in humid environments.