Flavoplaca austrocitrina (Vondrák, Říha, Arup & Søchting) Arup, Søchting & Frödén

Nordic J. Bot. 31, 1: 36 (2013).

Basionym: Caloplaca austrocitrina Vondrák, Říha, Arup & Søchting, in Vondrák, Říha & Søchting, (2009 The Lichenologist 41(6): 571-604 (2009).

Type: Ukraine, Crimean Peninsula, slopes above sea c. 1 km SW of Semidvorje, alt. c. 100 m, 44°42´ 48.10"N, 034°27´12.10"E, on vertical side of concrete wall, 13 June 2006, J. Vondrák (CBFS JV5236-holotypus; CBFS JV5285, LD-isotypi). ITS sequence of the holotypus: EU563419
Barcode: Data lacking.
Coordinates: 44°42´ 48.10"N, 034°27´12.10"E.

 

Thallus: yellow, rarely orange (e.g. the specimen from Crete), areolate or formed of tightly aggregated squamules. Areoles/squamules (80-) 192 ± 70 (-380) µm thick (n = 22) and (0.25-) 0.74 ± 0.32 (-1.7) mm wide (n = 51). Squamules flat, smooth, with marginal soralia of flavocitrina type; in old thalli, soralia may cover the whole thallus surface. Soredia (22-) 36 ± 10 (-61) µm diam. (n = 34), sometimes gathered to consoredia. Cortex or alveolate cortex developed, (6-) 19 ± 8 (-40) µm thick (n = 30). Apothecia present in 50% of the specimens investigated, (0.32-) 0.46 ± 0.1 (-0.65) mm diam. (n = 16). Disc in mature apothecia flat to convex. Exciple (50-) 86 ± 20 (-130) µm thick (n = 16), zeorine; in young apothecia, the thalline exciple is hidden below the true margin while in old apothecia, the thalline exciple is well-developed and persisting. Hymenium 60-80 µm thick (n = 5). Paraphyses tips widened to (3.0-) 4.4 ± 0.9 (-6.0) µm (n = 15). Ascospores (8.5-) 11.25 ± 1.5 (-140) x (4.5-) 6.0 ± 0.5 (-6.5) µm (n = 16); length/breadth ratio c. 1.88. Ascospore septa (3.0-) 4.5 ± 1.0 (-5.5) µm thick (n = 16), c. 0.4 of ascospore length. Conidia (2.0-) 2.8 ± 0.5 (-4.0) x (1.0-) 1.2 ± 0.2 (-1.5) µm (n = 15). (Vondrák et al. 2009: 588-589).

Photobiont: Data lacking.

Chemistry: Data lacking.

Ecology: Data lacking.

Distribution: Database

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