J. Inst. Bot. Acad. Sci. RSS Ukraine 20, 28: 122 (1939).
Type locality: Turkmenistan, Montes Kopet-dagh, in viciniis pag. Firjuza, distr. Aschchabad, 1928, A. Lazarenko 19 a (KW - lectotype, selected by van den Boom & Khodosovtsev 2004: 1).
Type locality coordinates: Data lacking.
Molecular barcode: Data lacking.
Thallus: crustose, consisting of contiguous, small, flat areoles, 0.2 - 0.3 mm wide, whitish to dusty-whitish, often invisible, growing on Caloplaca polycarpoides and Caloplaca holocarpa agg. Apothecia 0.3. - 0.5 mm in diameter, dispersed; disc flat to slightly convex, blackish-brown to black, sourrounded by a light-grey thalline margin, without hyaline hairs; thalline excipulum 35 - 45 µm wide, with a cortical zone, 15 - 25 - 30 - 35 µm thick, paraplectenchymatous, cells 4.5 - 5 - 6 - 7 µm in diameter; hypothecium hyaline, 55 - 65 µm high; hymenium 50 - 70 µm high, reddish brown, K-, N-, with crystals which dissolve in K. Asci 8 - spored, of the Bacidia-type; spores hyaline, 1-septate, strongly constricted at the septum (diplococcoid), 8 - 11 - 12 / 4.5 - 6 µm; paraphyses ca. 2 µm thick with swollen apical cells up to 4 - 5 - 6 µm wide, brown-walled, K-, N-.
Photobiont: Data lacking.
Chemistry: Without lichen substances. Spot tests K-, C-, KC-, Pd-.
Ecology: Lichenicolous on Caloplaca polycarpoides and species of the C. holocarpa complex, on twigs and shrubs and trees (Pistacea vera) in arid regions, sometimes autonomous. Associated species are Candelariella deflexa and Lecanora umbrina.
Distribution Type: Afghanistan, Turkmenistan and Kyrgyzistan.
Note: