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. Micrographs below.

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


Phaeographis dentritica

Phaeographis dentritica

Phaeographis dentritica

Micrographs
Phaeographis dentritica

Phaeographis dentritica

Phaeographis dentritica
Phaeographis dentritica
New Forest, Hampshire and Studland and Charbororough Green, Dorset. December 2012, November 2013, March 2020

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