Appearance
The cap is 0.5–1.5 cm in diameter, initially convex in shape but flattening in age, sometimes with a broad umbo. The cap is moist, glabrous, hygrophanous, and has radial striations to the center; the color is brown to dark-brown. The gills are adnate to broadly adnate or sometimes very shortly decurrent, and of the same color as the cap. The stipe is 1.5–4 cm long, 1–2 mm thick, smooth, the same color as the cap, and brittle. Spores are typically 7.5–10 × 6–8 × 5–5.5 µm and ovate–lentiform in shape with a thickened wall. A large spored variety , ''Psilocybe montana'' var. ''macrospora'' Noordel. & Verduin , has also been reported from the Netherlands. The spore print is dark greyish brown.Distribution
The species has a worldwide, almost cosmopolitan distribution and has been reported from a variety of regions in a wide range of climates, including:⤷ Britain
⤷ California, United States
⤷ the Caribbean
⤷ China
⤷ Colombia
⤷ Greenland
⤷ Mexico
⤷ Nepal
⤷ Norway
⤷ in alpine tundra as well as subalpine regions in Switzerland
⤷ in the region formerly known as the USSR
⤷ in the Venezuelan Andes and
⤷ in moss at high elevations in Idaho and Montana:590
⤷ in Arctic tundra.:590
They have also been reported growing in Chemnitz, Germany, on vegetation-covered flat roofs.
Habitat
''Deconica montana'' is saprobic, possibly also parasitic. It is often associated with mosses such as ''Brachythecium albicans'', ''B. mutabulum'', ''Campylopus introflexus'', ''Ceratodon purpureus'', ''Dicranum scoparium'', ''Eurhynchium hians'', ''E. praelongum'', ''E. speciosum'', ''Rhacomitrium canescens'', ''Pohlia'' species or ''Polytrichum piliferum''. It is commonly found in exposed situations such as dune-meadows, heaths and tree-less tundra, and open ''Pinus'' forests, usually on nutrient-poor, well-drained soil.References:
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