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) Ám. 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

All images used are copyright. Please contact me if you find errors.