Clauzadea metzleri Porpidiaceae
Clauzadea metzleri

Growth type crustose
Chemical results negative

Found on calcareous pebbles, rocks and walls. Occurs on hard and soft limestone, also on chalk pebbles

Immersed thallus with lines or groups of black, non-pruinose discs (to 1mm) in shallow pits. Hypothecium reddish-brown. Spores simple, (15-)16-20(-28) x (6-)8-10(-12) Ám. Microscope photograph below.

Similar: C. immersa. Deeply immersed apothecia (to 0.5mm), smaller spores


Clauzadea metzleri


Clauzadea metzleri

Microscope photograph
Clauzadea metzleri
Clauzadea metzleri
Godlingston Hill, the Purbecks, Dorset. October 2012

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