Buellia schaereri Physciaceae
Buellia schaereri

Growth type crustose
Chemical results negative

Found on wood and acid-barked trees, particularly conifers and Oak.

Thin, greyish thallus with small apothecia, 0.2-0.3(-0.5)mm. Spores are brown, 1-septate, smooth-walled, 6-10(-12) x 2.5-4(-4.5) Ám.
Pycnidia can be numerous, conidia 2-3 x 1-1.4 Ám.
Microscope photographs below.

Similar: Amandinea punctata. On nutrient-rich bark, larger spores


Buellia schaereri

Buellia schaereri

Microscope photographs
Buellia schaereri

Buellia schaereri
Buellia schaereri
On Oak lignum. Holton Lee and Kingston Lacy, Dorset. December 2012, November 2016

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