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Leucopaxillus waiporiensis G. Stev. 1964

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G. Stev.
G. Stev.
1964
19
ICN
Leucopaxillus waiporiensis G. Stev. 1964
NZ holotype
species
Leucopaxillus waiporiensis
amongst tussock grasses, [New Zealand], Waipori, 31.5.1953, Stevenson 910 (type K).

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waiporiensis

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Leucopaxillus waiporiensis G. Stev. 1964

[GS] Pileus 1-2 cm. diam., ochraceous buff, plane to concave with a downrolled margin, matt; flesh ochraceous buff. Gills decurrent, ochraceous buff, thick, shallow, moderately distant, forking. Stipe 1-1 -5 cm. x 1-2 mm., ochraceous buff, pruinose, solid, fleshy. Spores 10-11 x 4-5um strongly amyloid, moderately thin-walled (Fig. 1/38, p. 10). Hymenophoral trama subregular, hyphae up to 5um diam.; basidia 20-25 X 5-8um. Cuticle of almost parallel hyphae up to 5um diam. with clamp connections. HABITAT: amongst tussock grasses, Waipori, 31.5.1953, Stevenson (type). [EH] Spores subfusoid, amyloid, hyaline, smooth, 9.5-12 X 3.5-4.5 um. Cystidia none. Cuticle a cutis consisting of regularly arranged, cylindrical, repent, clamp-bearing hyphae, encrusted with brownish pigment. [JAC] stem base would indicate this was on soil (in indigenous grassland) and not decaying culms or wood. The spores are very amyloid, and smooth, thin-walled and collapsing, like some Mycena, but without dextrinoid gill trama. Gills are in series of 2 and do fork. Cantharelulla is a reasonable placement until more collections found, but possibly Pseudoomphalina. Lodge et al exluded C. waiporiensis from Cantharellula 'on basis of morphology' but without explanation. Certainly not something I have seen in NZ. Gill tissue exuding oil drops into melzers. 4-spored.Cap and unclamped cutis, without pigment. Spores length=9.1–11.5µm (µ=10.2, σ=0.73), width=3.8–4.9µm (µ=4.2, σ=0.31), Q=2.0–2.8µm (µ=2.42, σ=0.20), n=22. Perhaps related to Mycena 'Kennedy's Bush' - Atheniellaceae

Leucopaxillus waiporiensis G. Stev. 1964

[Notes from Kew Type specimen, PRJ 2010] Kew images.

Leucopaxillus waiporiensis G. Stev. 1964

Pileus 1-2 cm diam., ochraceous buff, plane to concave with a downrolled margin, matt; flesh ochraceous buff. Gills decurrent, ochraceous buff, thick, shallow, moderately distant, forking. Stipe 1-1.5 cm x 1-2 mm, ochraceous buff, pruinose, solid, fleshy. Spores 10-11 x 4-5 µm strongly amyloid, moderately thin-walled (Fig. 38). Hymenophoral trama subregular, hyphae up to 5 µm diam.; basidia 20-25 x 5-8 µm. Cuticle of almost parallel hyphae up to 5 µm diam. with clamp connections.
Amongst tussock grasses, Waipori, 31.5-1953, Stevenson (type).
Pileus 1-2 cm diam., ochraceo-bubalinus, planus usque concavus, margine deflexo-revoluto, haud nitidus; came ochraceo-bubalina. Lamellae decurrentes, ochraceo-bubalinae, crassae, haud altae, modice distantes, furcatae. Stipes 4-6.5 cm x 1-2 mm, ochraceo-bubalinus, pruinosus, solidus, carnosus. Sporae 10-11 x 4-5 µm, valde amyloideae, parietibus modice tenuibus. Trama hymenophoralis subregularis, hyphis usque 5 µm diam.; basidia 20-25 x 5-8 µm. Cuticula ex hyphis plus minus parallelis usque 5 µm diam., cum fibulis sistens.
Typus: Stevenson 910.

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Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev.
Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev. (1964)
Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev. (1964)
Leucopaxillus waiporiensis G. Stev. 1964
Leucopaxillus waiporiensis G. Stev. (1964)

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typification
amongst tussock grasses, [New Zealand], Waipori, 31.5.1953, Stevenson 910 (type K).

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1cb1b44a-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
15 December 2003
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