Irish lichens

Unguiculariopsis lettaui

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Species: Unguiculariopsis lettaui #

Growth type lichenicolous
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 Ám and often with several guttules.

Only found on the thallus of Evernia prunastri.

Similar: Unguiculariopsis thallophila occurs on Lecanora species

Unguiculariopsis lettaui

Unguiculariopsis lettaui
Unguiculariopsis lettaui. September 2006

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