Irish lichens

Leptogium burgessii
Order: Peltigerales       Family: Collemataceae

Species: Leptogium burgessii

Growth type foliose.
Photos: On hazel. Cathair Chomáin, the Burren, W Ireland.
BLS Burren meeting 2009

Large dark-brownish thallus, convoluted lobes with many folioles on the margins. The lower surface is greyish and slightly tomentose. Apothecia are frequent, reddish-brown with foliose margins. Asci are 8-spored, spores muriform (5-7 septate transversely, 1-3 septate longitudinally) 25-40 x 13-17 µm.

Occurs in damp, shady woodland and on mossy rocks.
Chemical reactions negative.

Leptogium burgessii

Leptogium burgessii

Leptogium burgessii
Leptogium burgessii. BLS Burren meeting, April 2009

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