Rinodina biloculata Physciaceae
Rinodina biloculata

Growth type crustose
Chemical results negative
Identified by Vince Giavarini

Usually on the soft, basic bark of Elder, young Elm or Buddleia.
BLS conservation evaluation: Nationally Rare

Thin greyish thallus with small black discs. Hypothecium brown, the spores are 1-septate, 11-19 x 6-9 Ám, thickened at septum. Micro photo below.

Similar: Amandinea punctata and Catillaria nigroclavata

Rinodina biloculata

Microscope photograph
Rinodina biloculata
Rinodina biloculata
Studland Heath, Dorset. April 2014

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