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Melanohalea exasperatula

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description Melanohalea exasperatula Overview

Melanohalea exasperatula is a brown foliose lichen that commonly grows on tree bark and branches across parts of the Northern Hemisphere. Its upper surface is distinguished by small, pale ridge-like pseudocyphellae, which appear as light markings on the otherwise brown thallus. The species is an epiphyte rather than a soil lichen, and its leafy lobes attach to the bark while obtaining energy through photosynthesis with its algal partner.

help Melanohalea exasperatula FAQ

How can I identify Melanohalea exasperatula?

Melanohalea exasperatula is a brown foliose lichen with small, pale ridge-like pseudocyphellae on its upper surface. These light markings stand out against the otherwise brown thallus.

Where does Melanohalea exasperatula grow?

It commonly grows on tree bark and branches across parts of the Northern Hemisphere. The species is therefore usually associated with woody surfaces rather than bare soil alone.

What are the pale markings on Melanohalea exasperatula?

The pale markings are ridge-like pseudocyphellae on the upper surface of the thallus. They are a useful identification feature because they contrast with the lichen's brown color.

Is Melanohalea exasperatula a foliose lichen?

Yes, it is a brown foliose lichen. Its leafy, flattened growth form and pale upper-surface pseudocyphellae help distinguish it from crustose species.

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