Lichens of Wales

Caloplaca flavorubescens

<em>Caloplaca flavorubescens</em>

Caloplaca flavorubescens

Description & Identification

This species has a white to yellow-green thallus, smooth, continuous and uncracked, coarsely granular-papillate. Apothecia are up to 3mm diam., with a bright orange disc, scattered to crowded, rounded, usually flat. the lower part of the hymenium and hypothecium have numerous oil droplets. It forms irregular patches between other lichens on bark.

Photo: www.toyen.uio.no

Similar Species

 C. flavovirescens has smaller, darker apothecia which lack oil droplets in the hypothecium.

Records from Wales
Location Grid Reference Last Rec'd Recorder(s) SSSI
Anglesey: near Friars, Beaumaris-Penmon SN 68* 1895 J.E. Griffiths Yes?
Caernarfon: Glynllifon Park SH 45 1971 F. Rose Yes?

 

NBN Taxon Key
NBNSYS0000020534