Rimularia furvella Trapeliaceae
Rimularia furvella #

Growth type lichenicolous
Chemical results: C+ pink. Sometimes K+ yellow > red, C+ pink, P+ yellow

Over-grows various crustose lichen species on exposed siliceous rocks.
Photographs on Porpidia tuberculosa

Areolate thallus appearing as a dark brown or black granular or minutely-isidiate stain. Spores becoming brown, simple, 12-18 x 7-9 Ám.

Similar: Sterile Placynthiella icmalea is found in shady, humid habitats


Rimularia furvella
Rimularia furvella
Studland Heath, Dorset. June 2015

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