Diploschistes gypsaceus Thelotremataceae
Diploschistes gypsaceus

Growth type crustose
Chemical results: K-, C+ red, P-, UV-
BLS conservation evaluation: LC NS

Very scattered distribution on shaded, vertical calcareous rocks, most frequently found on limestone.

The thick, very pruinose, pale-greyish to white thallus is cracked or areolate and surrounded by a white prothallus. Apothecia are frequent, concave and initially immersed, the discs mid to dark grey and strongly pruinose. Asci are 4-spored, spores 25-40 x 10-17 Ám, muriform with 4-7 transverse and 1-2 longitudinal septa and dark-grey or brown when mature.


Diploschistes gypsaceus

Diploschistes gypsaceus
Diploschistes gypsaceus
On limestone, Portland, Dorset. February 2016

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