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Ripartites helomorphus (Fr.) P. Karst. 1879

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P. Karst.
Fr.
(Fr.) P. Karst.
1879
479
ICN
Europe
species
Ripartites helomorphus

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helomorphus

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Ripartites helomorphus (Fr.) P. Karst. 1879

New Zealand: Fjordland: Lake Te Anau, Mt. Luxmore, 9.IV.1969, leg. Horak (ZT 69/330).
Pileus —20 mm, convex at first soon umbonate-expanded, papillate centre sometimes depressed, margin inrolled in young specimens later becoming incurved and conspicuously notched, margin not striate; whitish to pale argillaceous; dry, smooth to appressedly fibrillose veil remnants absent. Lamellae 1-16 (-3) moderately crowded broadly adnate to subdecurrent, up to 3 mm wide; argillaceous to cinnamon; edge concolorous, even. Stipe –30 x -2.5 mm, cylindric to subclavate, central; at apex concolorous with pileus, reddish brown towards base, basal tomentum absent; glabrous or minutely fibrillose, dry, fistulose, shingle in groups. Context whitish. Odour and taste not distinctive. Chemical reactions on pileus: KOH negative. Spore print pale brown. Spores 4 - 5.5x3.5 (-4) µm, subglobose to ovoid, pale brown, densely covered with hemispheric warts or short cylindric projections, membrane thin-walled, inamyloid. Basidia 30 - 35x 6 - 7 µm, 4-spored. Cystidia absent. Cuticle a cutis of cylindric hyphae (3 - 6 µ diam.), membranes not gelatinised, encrusted with brown (KOH) pigment. Clamp connections present.
On soil among moss under Nothofagus solandri var. cliffortioides and N. menziesii.—New Zealand.
This species was well described by Métrod (1946: 74) and Huijsman (1960: 335), and the New Zealand collection agrees in all taxonomically important details with European specimens. The following description is taken from fresh carpophores collected in New Zealand:

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Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. (1879)
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. (1879)
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. (1879)
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. (1879)
Ripartites helomorphus (Fr.) P. Karst. 1879
Ripartites helomorphus (Fr.) P. Karst. (1879)
Ripartites helomorphus (Fr.) P. Karst. 1879

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1cb1b839-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
23 August 2012
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