
Fotos / Sonidos
Qué
Buellia oidaleaObserv.
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Spores large, brown, muriform, with a hyaline end. About 48x20µm.

Fotos / Sonidos
Observ.
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On coast live oak (Quercus agrifolia). Thallus yellow, UV+O, esorediate, K+Y-R. Epihymenium K+V, amphithecium K+Y-R with norstictic acid crystals.

Fotos / Sonidos
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Lichenicolous fungus appearing as black dots on grey thallus of Caloplaca atroflava.

Fotos / Sonidos
Qué
Lecania hasseiObserv.
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Sandstone. Spores 0-1 septate, narrowly ellipsoid, often curved; 19.9x4.4µm (n=4). All spot tests negative, but some POL+ granules observed.

Fotos / Sonidos
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On ultramafic rock, uncommon in region.
Photographed with Polycauliona ignea.

Fotos / Sonidos
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On HCL+ sandstone in semi-arid annual grassland habitat.
Thallus squamulose, dark brown to grey, K+V.
Spore average size: 14.5x8.1µm with isthmus 3.4µm (n=4).

Fotos / Sonidos
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Los Padres National Forest, along High Mountain Lookout Road. On twigs of chaparral shrubs. Exciple strongly C+R. Spores with broad septum, >4µm

Fotos / Sonidos
Observ.
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On sandstone. Thallus K+R with norstictic acid crystals. Epihymenium green, K+brown. Pycnidia not found. Spores large, ellipsoid, hyaline, simple. About 27x17µm.

Fotos / Sonidos
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On Quercus lobata trunk bark. Thallus white, spot tests negative. All parts POL-. Spores 3-septate to submuriform (6-9 cells), hyaline becoming dark brown. Average size 18.4x9.5 (n=9).

Fotos / Sonidos
Observ.
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On red clay soil in a biotic crust community. Thallus K-. Black forked tips of lobes.

Fotos / Sonidos
Qué
Psora pacificaObserv.
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Squamules brown but often densely pruinose. Cortex KC+R.

Fotos / Sonidos
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Thallus K+Y without norstictic acid crystals, suggesting stictic acid syndrome. Still need to confirm with P or TLC I think.

Fotos / Sonidos
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On decomposing granite bedrock formation in mixed oak-pine woodland. Cortex K-. Apothecia rare, lightly pruinose. Epihymenium green, K+Brown. Paraphyses moniliform. Pycnidia present, punctiform black ostiole, usually raised on a small cone. Conidia filiform, mostly straight, average length 13.0µm (n=13), about 1µm wide or a little less. Spores 8 per ascus, large, broadly ovate, hyaline. Average size 20.6 × 12.1µm (n=3).

Fotos / Sonidos
Observ.
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Areoles not contiguous. Asci 4-6 spored, epihymenium with green tinge K+brown, thallus spot tests negative, densely pruinose. Paraphyses submoniliform, with 2 tip cells swollen.