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Summary: features include small size, hygrophanous, reddish brown, subviscid to lubricous cap, adnate often mottled gills that are fuscous gray to dull buff or dark violaceous brown, with white edges, whitish or almost cap-colored stem, growth on dung, in grassland, dark purple brown spore deposit, and microscopic characters including angular spores; rare in Pacific Northwest, but found in WA, CA, MI, Mexico, Argentina, Brazil, Colombia, Venezuela, Switzerland; a Paul Kroeger collection from BC is deposited at University of British Columbia
Cap: (0.8)1.2-2(2.5)cm across, hemispheric to convex, rarely subumbonate [with slight umbo]; hygrophanous, reddish brown or chestnut brown, fading to brownish yellowish or dark straw; subviscid to lubricous, often slightly shining when dry, bald, margin may be slightly striate when moist
Flesh: paler than cap to almost the same color, unchanging in color when exposed
Gills: broadly adnate; "fuscous gray to dull buff or dark violaceous brown, with white edges", frequently mottled
Stem: (1.5)2-4.5(5)cm x (0.13)0.2-0.3cm, equal or eventually somewhat widened at top, hollow; whitish or almost cap-colored or more reddish brown; smooth or slightly fibrillose
Veil: arachnoid [cobwebby] white mass when young, but stem without remains when mature
Odor: slightly fungoid
Taste: slightly fungoid
Microscopic spores: spores (11)12-15(18.6) x (9)9.6-10.2(12) x 7-8.5 microns, "strongly subhexagonal or subrhomboid in face view", subelliptic in side view, light to dark yellowish brown, thick-walled, with broad truncate germ pore; basidia 4-spored, 24-32 x 10-13 microns, colorless, ventricose subpyriform, [somewhat pear-shaped and wider in middle], sometimes with a slight medial constriction; pleurocystidia absent, cheilocystidia abundant, 22-45 x 4.5-10 microns, colorless, thin-walled, "fusoid-ventricose or sublageniform to lageniform", with long neck 3-8 microns broad "and with obtuse, subglobose to globose apex"
Spore deposit: dark violaceous brown or dark purple brown
Habitat / Range
Gregarious on cow and horse dung, in grassland, meadows, or outside of the wooded areas, both in shaded or sunny places., fruiting almost all year, but mainly during rainy season
Psilocybe subcoprophila has larger, subelliptic or elliptic, not subhexagonal spores, (Guzman)
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2020-08-14 1:41:57 PM
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