in Sparrius, Saipunkaew, Wolseley & Aptroot, Lichenologist 38, 1: 28 (2006).

Protolog: Bactrospora thallus endophloeodicus, ascomata punctiformia, thallus sine acidis lichenicis. Ascosporae typo Dryine, 50-70 x 2.0-3.0 µm, fragmentatae, cellulibus (3-)5-8 x 2-3 µm.

Protolog type data: Typus: Thailand, Chiang Mai Province, Ban Lom Luang, on Mangifera indica L., 19°03'N, 98°58'E, 330 m, 5 June 1998, Saipunkaew 31, T4S3 (BM 000764065-holotypus; CMU-isotypus).

Type locality: Thailand, Chiang Mai Province, Ban Lom Luang, on bark of trunk of cultivated Mangifera indica L., 330 m, 5.6.1998, Saipunkaew 31, T4S3 (BM 000764065 - holotype; CMU - isotype).

Type locality coordinates: 19°03'N, 98°58'E.

Molecular barcode: Data lacking.

Thallus: endophloeodal, film-like, white to cream-coloured. Prothallus thin, dark brown or black. Medulla not apparent. Ascomata immersed, rounded, 0.10-0.20 mm diam.; disc black, not pruinose. Thalline margin absent. Excipulum c. 50 µm wide, black-brown in section. Hypothecium straw-coloured to brown, 100-150 µm tall, K-, Ki+ deep blue. Hymenium hyaline, ... (Sparries et al. 2006: 28).

Photobiont: Trentepohlia spec.

Chemistry: Thallus c-, K-, PD-, UV-; TLC: no compounds found (Sparries et al. 2006: 28).