Gyalecta jenensis Gyalectaceae
Gyalecta jenensis

Growth type crustose
Chemical results negative. Photobiont Trentepohlia

Found on damp, shaded limestone and on old church walls.

The thin light-grey thallus is often pink-tinged. Distinctive pale orange apothecia with thick notched margins are initially spherical. Asci 8-spored, spores hyaline, 3-septate to muriform when mature, with 3-6 transverse septa and 1-2 longitudinal septa, (11-)15-25(-40) x 6-10(-16) µm. Micrographs below.

Similar: Petractis clausa. Photobiont Scytonema, spores 3-septate


Gyalecta jenensis

Gyalecta jenensis

Gyalecta jenensis

Micrographs
Gyalecta jenensis

Gyalecta jenensis
Gyalecta jenensis
Wool and Corfe Mullen, Dorset. March 2017, December 2018

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