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

Basionym: Caloplaca arcisproxima Vondrák, Říha, Arup & Søchting, in Vondrák, Říha & Søchting, (2009.

Type: Ukraine, Crimean Peninsula, Alushta, coastal rocks SW of Ribachye, 44°45´ 35.36"N, 34°35´ 10.30"E, on supralittoral diabasic rock, 27 May 2007, J. Vondrák (CBFS JV5473-holotypus; CBFS JV6038, hb. C & LD-isotypi). ITS sequence of the holotypus: EU563425.

Barcode: Data lacking.

Coordinates: 44°45´ 35.36"N, 34°35´ 10.30"E.

Thallus: yellow to yellow-orange, of solitary or rarely aggregated, ± umbilicate squamules. Squamules (80-) 129 ± 36 (-240) µm thick (n = 29) and (0.44-) 0.78 ± 0.21 (-1.18) mm wide (n = 22). Squamules flat, smooth, with margins divided into minute lobes. Marginal soralia of confusa or flavocitrina type. Soredia/blastidia (25-) 48 ± 16 (-86) µm diam. (n = 26). Cortex indistinct, alveolate cortex (8-) 24 ± 9 (-46) µm thick (n = 36). Apothecia absent in specimens investigated. Conidia (2.5-) 3.0 ± 0.3 (-4.0) x (0.5-) 1.0 ± 0.25 (-1.5) µm (n = 15). (Vondrák et al. 2009: 588).