description Sphaerophorus globosus Overview
Sphaerophorus globosus, commonly called globe lichen or coral lichen, is a fruticose lichen with branching, three-dimensional growth. Its branches often end in or include rounded swellings, giving the thallus a coral-like appearance. The species occurs in moist, cool forests and montane or boreal environments, where it grows on bark, wood, or other exposed substrates. Its distinctive form is a useful field character during lichen surveys.
help Sphaerophorus globosus FAQ
Why is Sphaerophorus globosus called globe lichen?
Its three-dimensional branches often contain rounded swellings that give the thallus a globular or coral-like appearance. Those swellings are a key visual difference from lichens with uniformly narrow branches.
Where does Sphaerophorus globosus grow?
It occurs in moist, cool forests where the air and substrates remain relatively humid. The species is therefore more associated with sheltered woodland conditions than with hot, exposed rock.
Is Sphaerophorus globosus a foliose lichen?
No, it is fruticose, with branching growth that projects outward from the substrate. This makes it closer in overall form to Letharia columbiana than to leafy Lobaria virens.
How does Sphaerophorus globosus differ from a Cladonia lichen?
Sphaerophorus globosus is recognized for coral-like branching and rounded swellings, while many Cladonia species have upright podetia that may form cups or colored apothecia. A specimen's exact identification still requires checking its branch structure and habitat.
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