Irish lichens
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Order: Family:
Species: Unguiculariopsis lettaui # Photos: On Evernia prunastri, Ballingeary, Co. Cork, SW Ireland. Reddish-brown and appearing gall-like before developing into black or blackish-brown, more or less sessile, cup-shaped apothecia. Discs seem grey-pruinose because of hyaline, refractive hairs with recurved ends on the swollen, incurved rims. Asci 8-spored, spores hyaline, simple, 6-7 x 3-4 µm and often with several guttules. Only found on the thallus of Evernia prunastri. Similar: Unguiculariopsis thallophila occurs on Lecanora species |
Unguiculariopsis lettaui. September 2006