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Conocybe macrospora (G.F. Atk.) Hauskn. 2003

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Conocybe macrospora (G.F. Atk.) Hauskn. (2003)
Conocybe macrospora (G.F. Atk.) Hauskn. 2003

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Exotic
Present
New Zealand
Political Region

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(G.F. Atk.) Hauskn.
G.F. Atk.
Hauskn.
2003
64
ICN
species
Conocybe macrospora

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macrospora

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In pasture at edge of forest, hill above pylon, Wiltons Bush, Wellington, 3 iv 1961, legit L. R. Taylor, Taylor 64.
Pileus 14 mm, warm fawn with mahogany disc, dull, non-striate; margin very scalloped.  Stipe 54 x 25 mm, faintly tapering towards base, whitish at base, paler than pileus, darkening downwards with faint silky sheen, solid. Gills adnexed, mustard-yellow near stipe, to mahogany near margin of pileus. Flesh yellowish in pileus, thin especially at margin, yellowish in stipe. Basidiospores brownish yellow in mass, 15.5-17.5 x 8.5-9.5 µm, medium ochraceous in water, deep brown in aqueous alkali solutions; germ-pore broad, prominent.  Basidia 2-spored, 19-28.5 x 9.5-10.5 µm becoming brownish yellow with age. Cheilocystidia lecythiform, 15.5-24 x 7-9.5 µm, capitulum 3-4 µm. Caulocystidia lecythiform 15.5-18 x 8-9.5 µm, capitulum 2.5-4 µm, with a few hair-like cells, intermixed at stipe-apex with 2-spored basidia. Pileipellis a palisadoderm of spheropedunculate cells, 25.5-38 µm broad, intermixed with a few lecythiform dermatocystidia.
This collection should be compared with C. rubiginosa Watling with similar microscopic details but Taylor 64 was of a rather desiccated specimen and conspecificity could not be confirmed. Unfortunately as shown by van Waveren (1970) and Watling (1971) the pileus once dried never returns to its original colour although it might darken.

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Conocybe macrospora (G.F. Atk.) Hauskn. 2003
New Zealand
Wellington

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7628e4a0-1eed-419d-959f-f2cb0557101c
scientific name
Names_Fungi
22 November 2022
22 November 2022
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