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Laccaria tetraspora f. major Singer 1967

Scientific name record
Names_Fungi record source
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This is a synonym
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Laccaria tetraspora f. major Singer, Bull. Soc. Mycol. France 83 113 (1967)

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Singer
Singer
1967
113
as 'var. tetraspora f. major'
ICN
Laccaria tetraspora f. major Singer 1967
f.
Laccaria tetraspora f. major

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Laccaria tetraspora f. major Singer 1967

Under (1) Betula pendula, Canterbury: Lincoln College, 24.vi.l971, R. F. R. McN. (2) Fagus sylvatica, Canterbury: Christchurch, Hagley Park, 2.V.1971, R. F. R. and A. J. McN. (3), Pinus pinaster, Canterbury: Christchurch Botanic Gardens, 17.ii.l968, 31.iii.l968, R. F. R. McN. (4) Pinus radiata. Auckland: Cornwall Park, ll.vi.l967, R. F. R. and R. J. McN.; 18.vi.l967, R. F. R. McN.; 29.vi.l967, R. F. R. McN., PDD 25977; Whitford, 2.vii.l967, A. Hastings, PDD 24522. (5) Pinus sp„ Auckland: Waikowhai, 26.V.1970, L. Esler, PDD 28314. (6) Quercus robur. Auckland Domain, 27.V.1970, B. S. Parris, PDD 28315; Auckland University, 13.V.1971, J. P. Croxall, PDD 29392; Canterbury: Christchurch, Hagley Park, 2.V.1971, A. Y. McN. (7) Mixed introduced trees, Canterbury: Christchurch, 6.V.1970, A. P. Mulcock; Christchurch Botanic Gardens, 31.iii.l968, R. F. R. McN.
PILEUS: 2-5 cm diam., hemispherical or convex when young, convex, plano-convex, applanate, or centrally depressed with reflexed margins at maturity, hygrophanous, non-viscid, faintly pellucid-striate when wet, subglabrous to finely furfuraceous when wet, furfuraceous to minutely squarrose when dry, brick red to reddish brown, drying pallid fawn to buff. Cuticle composed of unspecialised, repent, parallel or slightly interwoven, thin-walled, clamped hyphae 7-15 µm diam. LAMELLAE: adnexed, adnate or occasionally subdecurrent, distant, intermixed, thick, to 7 mm deep, flesh pink, glaucous. STIPE: 2-6 cm long, ± equal or tapering apically, 3-8 mm diam., dry, hollow, often twisted, coarsely longitudinally fibrillose giving stipe a silky sheen, reddish brown; flesh concolorous or slightly paler; basal mycelium white. SPORES: spore print white when fresh: spores globose to subglobose, apiculate, hyaline, inamyloid, moderately echinulate, 9.5-13.5 µm diam. including spines, spines to 2 µm long. HYMENIUM: basidia subclavate to clavate, hyaline, 40-65 X 9-13 µm, 4-spored, sterigmata to 9 µm long; paraphyses simple or sparingly branched, cylindrical or irregular, to 4 µm diam. HYMENOPHORAL TRAMA: regular, composed of tinted, parallel, long-celled hyphae; clamp connections present. CONTEXT OF PILEUS: reddish brown. SMELL AND TASTE: not distinctive. CHEMICAL CHARACTERS: FeSO4 on pileus and context—rapidly dark grey; KOH and NH4OH on pileus and context— n.r.
Gregarious under introduced trees.
Microscopically, Laccaria tetraspora f. major is indistinguishable from f. tetraspora, but fresh specimens can be recognised by the larger fructifications and coarsely longitudinally fibrillose stipe. The taxon has not previously been recorded from New Zealand and in contrast to f. tetraspora, appears to be associated only with introduced trees.

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Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer (1967)
Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer (1967)
Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer (1967)
Laccaria tetraspora f. major Singer 1967
Laccaria tetraspora f. major Singer (1967)

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Laccaria tetraspora f. major Singer 1967
New Zealand
Auckland
Laccaria tetraspora f. major Singer 1967
New Zealand
Mid Canterbury
Laccaria tetraspora f. major Singer 1967
New Zealand
North Canterbury
Laccaria tetraspora f. major Singer 1967
New Zealand
Waikato

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1cb18fb6-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
10 September 2012
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