Natural History Photographs


Interactions among fungi and algae
Lichens with algal symbionts

Many fungi, especially in the Ascomycota, are obligatory associated with symbionts, either green algae or cyanobacteria. Such symbioses take a rich variety of forms, characteristic of the fungal species. Below you find a sample of the diversity of growth forms of the lichens with algal symbionts.



Anaptychia runcinata


Cladonia species


Dibaeis baeomyces


Diploicia canescens


Heterodermia leucomela


Hypogymnia physodes


Lobaria pulmonaria


Ophioparma ventosa


Pleopsidium chlorophanum


Psora decipiens


Pycnothelia papillaria


Roccella tinctoria


Sphaerophorus globosus


Stereocaulon spec.


Teloschistes flavicans


Siphula ceratites Thamnolia vermicularis


Umbilicaria hyperborea U. cylindrica


Usnea species Usnea dasopoga