Ramalina fraxinea

A fruticose lichen

Ramalina fraxinea. A lichen of the fruticose, or shrubby, type found attached to tree branches. This species is particularly sensitive to sulphur dioxide, therefore its presence is an indicator of good air quality.

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Ramalina on Sycamore

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Ramalina on Sycamore

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Apothecia on thallus

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Apothecia on thallus

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Section of apothecium

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Habitat

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Photograph detail

Slide 1: Ramalina fraxinea. Lichen on Sycamore, Acer pseudoplatanus. Footbridge over Apedale Beck, Hargill, Redmire. December.

Slide 2: Ramalina fraxinea. Lichen on Sycamore, Acer pseudoplatanus. Footbridge over Apedale Beck, Hargill, Redmire. December.

Slide 3: Ramalina fraxinea. Apothecia on thallus. Collected from Sycamore, Acer pseudoplatanus at Apedale Beck, Hargill, Redmire. December.

Slide 4: Ramalina fraxinea. Apothecia on thallus. Collected from Sycamore, Acer pseudoplatanus at Apedale Beck, Hargill, Redmire. December.

Slide 5: Ramalina fraxinea. Section of apothecium. Collected from Sycamore, Acer pseudoplatanus at Apedale Beck, Hargill, Redmire. December.

Slide 6: Ramalina fraxinea. Apothecia on thallus. Habitat at Apedale Beck, Hargill, Redmire. January.