Arthopyrenia analepta Arthopyreniaceae
Arthopyrenia analepta

Growth type crustose
Chemical reations negative

Early coloniser on smooth, +/- shaded bark of twigs and small branches

Thin or evanescent non-lichenised thallus without orange colour when scratched (Trentepohlia absent). Large, oval perithecia, base of discs with halo-like shadow, pycnidia occasional. Spores are 1-septate with wide, colourless perispore, 15-23 x 5.5-8 Ám. Microscope photographs below.

When on Birch can be confused with Leptorhaphis epidermidis


Arthopyrenia analepta


Arthopyrenia analepta


Arthopyrenia analepta

Microscope photographs
Arthopyrenia analepta


Arthopyrenia analepta
Arthopyrenia analepta
On Apple and Birch. Parkstone and Holton Lee, Dorset. October, November 2012 and April 2013

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