Psoroglaena stigonemoides Verrucariaceae
Psoroglaena stigonemoides

Growth type minutely fruticose. BLS conservation evaluation: LC
Chemical results negative

Mainly found on the shaded, dusty bark of Elder (Sambucus), but also occurs on Hedera and Ulmus. Usually in sheltered, humid conditions.

Green, coralloid, minutely fruticose thallus, densely branched and locally coalescing into piles of soredia-like granules. The ovoid perithecia are pale orange-brown, asci 8-spored, the spores 3-4(-5) septate, (13-)16-21 x (4-)5-6 Ám. Micrographs showing thallus structure below.

Similar: P. abscondita. Thin green leprose thallus, spores 1-3 septate


Psoroglaena stigonemoides

Psoroglaena stigonemoides

Micrographs
Psoroglaena stigonemoides

Psoroglaena stigonemoides

Psoroglaena stigonemoides
Psoroglaena stigonemoides
Chettle Woods, Dorset. December 2018

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