
Trentepohlia aurea Algae
The orange stuff surrounding this lichen is Trentepohlia aurea algae. Trentepohlia algae are green algae that can live symbiotically with lichens, such as Graphis scripta. The filaments of Trentepohlia are orange because they contain a large quantity of carotenoid pigments, which mask the green of the chlorophyll.
Habitat: On a tree in a deciduous forest

''Trentepohlia aurea'' is a species of filamentous terrestrial green alga with a worldwide distribution. It grows on rocks, old walls and the trunks and branches of trees such as oaks and the Monterey cypress where the tree occurs in coastal central California. The orange coloration results from carotenoid pigments in the algal cells. It is probably the most widespread and abundant species of ''Trentepohlia'' in the Britain and Ireland.
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I'm going for the inception effect here. Posted 6 years ago