Lichenologist 24, 4: 324 (1992).

Basionym: Crocynia caesioalba B. de Lesd. [as 'caesio-alba'], Bull. Soc. bot. Fr. 61: 84 (1914).

Thallus: crustose, granular, grayish-white, (Ladd et al. 1994: 134). Data lacking.

Photobiont: Data lacking.

Chemistry: Fumarprotocetraric acid (Ladd et al. 1994: 134).