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Piccolia ochrophora (Nyl.) Hafellner  
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Family: Lecanoromycetes_family_incertae_sedis
[Biatorella ochrophora (Nyl.) Arnold, moreBiatorella ochrophora f. evoluta H. Magn., Biatorella ochrophora f. ochrophora (Nyl.) Arnold, Biatorella ochrophora var. ochrophora (Nyl.) Arnold, Biatorella ochrophora var. planiuscula Vězda, Lecidea ochrophora Nyl., Strangospora ochrophora (Nyl.) R. Anderson]
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  • Greater Sonoran Desert
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Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2007. Lichen Flora of the Greater Sonoran Desert Region. Vol 3.
Thallus: absent or very thin, indistinct surface: pale ash gray algal layer: with numerous algae especially under the apothecia, 10-15 µm in diam. Apothecia: pale ochraceous yellow to deep orange, 0.1-0.5 mm in diam., sessile, convex, scattered, brittle true exciple: red-orange to brown-yellow, 10-20 µm thick epihymenium: densely granular hymenium: pale red-orange to red-yellow, (60-)75-85(-125) µm tall, the upper 15-30 µm densely granular; granules: minute, golden yellow or ochre, K+ dissolving; paraphyses: anastomosed, hardly visible in water but clearly visible in K, below 1-1.5 µm wide, apices 3-3.5 µm wide subhymenium: +ochre-colored, pale beneath , 50-150 µm thick asci: swollen, clavate or oval, 55-60 x (15-)20-25 µm, with an upper wall 2.5-3.5 µm wide,100-200-spored ascospores: hyaline, simple, globose, (3-)4-4.5 µm in diam. Pycnidia: unknown Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: growing over mosses or on bark, especially on Populus tremuloides in western North America World distribution: Europe and North America Sonoran distribution: Arizona at 2750 m (and reported in California north of study area but not verified). Notes: Strangospora ochrophora looks somewhat like a Gyalecta species. It has scattered apothecia that are easily overlooked. They are sometimes confused with small tufts of free-living Trentepohlia, which are similar in color and texture.
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Piccolia ochrophora
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This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394