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Geoglossum fallax
Geoglossum fallax
Geoglossum fallax
Geoglossum fallax
8-spored Ascus
Paraphyses
Immature spores
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Geoglossum fallax Durand, 1908
CS330 Wied Dalam (1/02/12)
Description: Solitary to gregarious, small sized 'earth tongues', clavate 'head' (irregularly shaped) with a short stipe, terrestrial amongst moss, coloured a dull but very dark brown, almost black, without hairs or setae on stipe. This species is dry not glutinous. Size range of collected specimens: 15-23mm x 5-7mm (upper part).

Microscopy:
Asci: Cylindrical narrowing at the apex, 8 spored, bi- to multiseriate. Size: 180-192µm x 19-23µm
Paraphyses: Thin, hyaline, sparsly septate, often with inflated tips, ocassionally pointed tips, generally recurved at the tips. Diameter: 3.1-4.2µm, tips up to 6.7µm.
Ascospores: Initially aseptate and colourless, becoming 3-septate and dark brown in colour with time. In literature mature spores are reported to be up to 12-septate (original description).
3-spetate spore size: 40-41µm x 7-9µm
Links:
Index Fungorum
Hidden forest
Beginners Guide to Earth Tongues - Key (UK)
Detail of CS330
Ascus
Spores at various stages
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Paraphyses
GEOGLOSSALES
Geoglossaceae