Tephromela atra

A crustose lichen

Tephromela atra, a crustose lichen. Very widespread, usually found on rocks and mortar. Distinctive black apothecia with light grey wavy margins.

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Apothecia

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Thallus with apothecia

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Habitat

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Ruin wall

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Stone wall

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Slide 1: Tephromela atra. Apothecia with wavy margins. Calamine House, Cobscar Rake, Redmire Moor. January.

Slide 2: Tephromela atra. Thallus with apothecia. Calamine House, Cobscar Rake, Redmire Moor. January.

Slide 3: Tephromela atra. Habitat. Calamine House, Cobscar Rake, Redmire Moor. January.

Slide 4: Tephromela atra. Habitat. Calamine House, Cobscar Rake, Redmire Moor. January.

Slide 5: Tephromela atra. Thallus on rock. Calamine House, Cobscar Rake, Redmire Moor. January.