Phaeographis dentritica Graphidaceae
Phaeographis dentritica

Growth type crustose
Chemical results: K+ yellow > red, C-, KC+ red, P+ yellowish-orange, UV-

Mainly found in the south and west on shaded acid-barked trees.
NIEC 'Old woodland' indicator species

Light-grey or whitish, powdery, cracked or slightly granular thallus with immersed branched apothecia. Lirellae often stellate with prominent carbonaceous margins and a pruinose disc. Base of exciple is closed, margin continuing under disc. Spores (5-)7-9 septate, 30-50 x 6-10 Ám. Microscope photograph below.

Similar: Phaeographis smithii. Base of exciple open, spores 5-7 septate


Phaeographis dentritica


Phaeographis dentritica


Phaeographis dentritica

Microscope photograph
Phaeographis dentritica
Phaeographis dentritica
New Forest, Hampshire and Studland, Dorset. December 2012 and November 2013

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