[Biatorella deplanata Almq., more, Biatorella deplanata f. deplanata Almq., Biatorella deplanata f. pruinosa H. Magn., Biatorella deplanata var. deplanata Almq., Biatorella deplanata var. excelsa Oxner]
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2007. Lichen Flora of the Greater Sonoran Desert Region. Vol 3.
Thallus: crustose, inconspicuous except for apothecia surface: white Apothecia: brown to black, 0.2-0.5 mm wide, flat to convex true exciple: well-developed, 35-45 µm thick, outer hyphae same color as epihymenium epihymenium: brown to olive in water hymenium: hyaline, 50-60 µm tall; paraphyses: 0.5-1 µm wide, occassionally branched hypothecium: pale yellow, thick asci: clavate, 45-50 x 15-20 µm, 100+-spored ascospores: hyaline, simple, globose, 2-3 µm in diam. Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on dry fissured bark:, on dead branch of Ceanothus cuneatus in chaparral, and on weathered conifer wood;. World distribution: Europe, Asia, and North America Sonoran distribution: southern California. Notes: Strangospora deplanta occurs in San Jacinto Mountains on the same mountainside with S. moriformis. Magnusson (1935) reported S. deplanta as new to North America from a collection by R.S. Gray from Indian Creek in Alameda County in central California, the collection of which had white pruina on its discs (FH).