| Collema | |
|---|---|
| Collema cristatum | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecanorales |
| Family: | Collemataceae |
| Genus: |
Collema F.H. Wigg. |
| Type species | |
|
Collema lactuca (Weber) Weber ex F.H. Wigg. |
|
Collema (jelly lichen) is a genus of lichens in the family Collemataceae. The photobiont is the cyanobacterium genus .
Photograph of the upper surface of a lobe taken through a compound microscope (x400) showing the absence of a cellular cortex. Compare with Leptogium, which does have a cellular cortex.