Name: Datronia stereoides
Author: (Fr.) Ryvarden
Citation: Blyttia 25: 168 (1967)
Preferred Synonyms:Cerioporus stereoides (Fr.) Zmitr. & Kovalenko
Deprecated Synonyms: Polyporus stereoides Fr., Polystictus stereoides (Fr.) Cooke, Coriolus stereoides (Fr.) Quél., Trametes stereoides (Fr.) Bres., Microporus stereoides (Fr.) Kuntze, Antrodia stereoides (Fr.) Bondartsev & Singer
Habitat/range: On hardwoods and conifers, causing a white rot. In BC, known in the north from Cottonwood (near Quesnel), Blue River, Celista (Salmon Arm area), and Clinton south to Princeton. Elsewhere in western North America, widespread but uncommon, known from AK, AB, SK, MT, ID, CO, CA, and AZ.Basidiomata reflexed or effuse, annual; pileus up to 3 mm thick, elongated or dimidiate; pileus surface brown, typically zonate, tomentose to radially strigose; context up to 2 mm thick, pale brown, duplex with a thin black line beneath the darker tomentum on the surface; tubes up to 1 mm deep; pore surface pale pinkish buff; pores round to hexagonal, 4–5 per millimetre, edges thick, entire, granulose at 30× magnification.
Generative hyphae 2.0–4.5 μm diameter with clamp connections; skeletal hyphae 2–4 μm diameter, occasionally branched, walls pale greenish brown in the context, dark brown in the pileus surface layer; binding hyphae 2.0–3.5 μm diameter, walls hyaline to pale greenish brown; cystidioles fusoid, ± 30 × 6–8 μm; dendrohyphidia around the pore mouths, 1.5–2.0 μm diam- eter with numerous short branches near the apex; basidiospores cylindrical to narrowly ellipsoid, 10–13 × 4.5–6.0 μm.
Created: 2010-01-10 06:06:24 CST (-0500) by Irene Andersson (irenea)
Last modified: 2018-03-28 04:08:56 CDT (-0400) by Chaelthomas (Chaelthomas)
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