Family: Ophioparmaceae
[ Biatora ostreata (Hoffm.) Fr. , more, Lecanora ostreata (Hoffm.) Rabenh., Lecanora scalaris (Gray) A. Dietr., Lecidea ostreata Schaer., Lecidea ostreata f. hemisphaerica Servít, Lecidea ostreata f. minor Erichsen, Lecidea ostreata f. ostreata (Hoffm.) Schaer., Lecidea ostreata var. myrmecina (Ach.) Nyl., Lecidea ostreata var. ostreata (Hoffm.) Schaer., Lecidea ostreata var. vulgaris Th. Fr., Lecidea scalaris (Ach. ex Lilj.) Ach., Lecidea scalaris f. minor Erichsen, Lecidea scalaris f. perrevoluta Erichsen, Lecidea scalaris f. scalaris (Ach. ex Lilj.) Ach., Lecidea scalaris var. myrmecina Ach., Lecidea scalaris var. scalaris (Ach. ex Lilj.) Ach., Lepidoma scalare Gray, Lichen scalaris Ach. ex Lilj., Parmelia ostreata (Hoffm.) Fr., Patellaria ostreata (Hoffm.) Wallr., Placodium ostreatum (Hoffm.) Link, Psora ostreata Hoffm., Psora scalaris (Ach.) Hook., Psora scalaris var. myrmecina (Ach.) Räsänen, Psora scalaris var. scalaris (Ach. ex Lilj.) Hook., Psora scalaris var. vulgaris (Th. Fr.) Räsänen, Schaereria ostreata (Hoffm.) Gyeln.] |
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1. Thallus: squamulose squamules: up to 1.2 (-2.0) mm diam., normally ascending and geotropically oriented, weakly convex or strongly convex upper surface: grayish green or yellowish to dark brown, dull; margin: entire or slightly crenulate, not or slightly upturned, concolorous with upper side soredia: greenish brown, farinose to granular, in labriform soralia upper cortex: up to 40 µm thick, composed of thin-walled hyphae Apothecia: up to 1.5 (-2.5) mm diam., marginal, plane; disc: black, bluish white pruinose, egyrose; margin: remaining prominent, entire or flexuose; exciple: composed of loosely conglutinated hyphae, containing crystals (C+ red), colorless in inner part, green in the rim, K-, N+ violet; hypothecium: light brown or dark brown; epithecium: olivaceous green, containing crystals (C+ red), K-, N+ violet; paraphyses: without swelling or pigment cap in apical cell asci: remaining immature ascospores: unknown Pycnidia: sessile, black, attached marginally or laminally to the upper or lower surface or apparently directly to the substrate conidia: bacilliform, 5-7.5 x c. 1 µm Spot tests: upper cortex and medulla K-, C+ red, KC+ red, P- Secondary metabolite: lecanoric acid. Substrate and ecology: on bark and wood, often charred, mainly on conifers in conifers forests, at 290-3000 m alt. World distribution: Africa, Asia, Australia, Europe, and North America Sonoran distribution: Arizona, California, and Chihuahua, fairly common. |