Waynea stoechadiana

Thallus squamulose, epiphyte, green-glossy, lower surface white sorediate. Spathulate squamules 0,3-2,5 mm, with marginal labriform soralia. Apothecia rare, laminal, sessile, biatorine, grey-brown.

Asci 8-spored; ascospores hyaline 1-2 septate, 9-17 x 2-3.5 µm.  

Photobiont: Green algae.
Spot test: medulla K+ yellow.
Chemistry: thallus with an unidentified depsidone and traces of lecanoric acid, Arceutina-yellow pigment in subhymenium, Sedifolia-grey pigment in epithecium. 

Habitat: On bark, on ancient trees, Quercus, Olea, Juniperus, in humid areas.
Distribution: Mediterranean-Macaronesian.
Position in classification: Ramalinaceae, Lecanorales, Lecanoromycetidae, Lecanoromycetes, Pezizomycotina, Ascomycota, Fungi.

Included the RED LIST OF LICHENS OF CATALONIA with the VU vulnerable classification.

Locality data:
Location: Bosc de la Marquesa, Tarragona (Tarragonès).
Ecology: On Juniperus phoenicea subsp. turbinata. Included in the Red List of Flora of Catalonia
Altitude: 30 m.
Climate: Mediterranean Csa (Tmm=16,0ºC, P=500 mm).