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Thaxterogaster epiphaeus E. Horak 1973

Scientific name record
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Is NZ relevant
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Threat status: Data deficient

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E. Horak
E. Horak
1973
100
as 'epiphaeum'
ICN
Thaxterogaster epiphaeus E. Horak 1973
NZ holotype
species
Thaxterogaster epiphaeus
New Zealand. Holotype (PDD 27064); Isotype (Herb. HK. ZT 68/670): 'Cass, Craigieburn Rge., Prov. Canterbury, N.Z.; leg. Moonan, 31.111.1968'. - Herb. HK. ZT 67/161

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Thaxterogaster epiphaeus E. Horak 1973

Holotype (PDD 27064); Isotype (Herb. HK. ZT 68/670): 'Cass, Craigieburn Range., Prov. Canterbury, N.Z.; leg. Moonan, 31.III.1968'. - Herb. HK. ZT 67/161: 'Maruia, Prov. Nelson, N.Z.; leg. McNabb, 23.III.1966'.
Gastrocarp 15-30 x 15-12 mm, depressed globose becoming ovoid, peridium brown or yellow-brown (pallid tan), slightly viscid, smooth, margin of peridium dehiscent from stipe partially exposing gleba. Gleba loculate or indistinctly lamelliform, ± radially arranged, loculi oblong, dull rust brown, with pallid tramal plates, gleba free from stipe (columella) for about half of its length, exposed, but covered with white thin veil. Stipe 40-80 x 5-10 mm, cylindric, occasionally attenuated towards the base, whitish to yellow-brown, smooth, dry, hollow, without veil remnants. Context white, longitudinally fibrous. Odor and taste not distinctive. Chemical reactions on peridium unknown.
Spores 9.5-14 x 6-7 µm, elliptic, with minute warts becoming coarser towards the apex, mostly axially symmetric, ferruginous. Basidia 30-37 x 8-10 µm, 4-spored. Cystidia absent. Epicutis consisting of radially arranged, gelatinised, cylindrical (2-6 µm diam.) hyphae forming a cutis, membrane thin-walled and encrusted with brown pigment. Hyphae of subcutis 5-20  µm diam. Clamp connections numerous.
On ground under Nothofagus cliffortioides, N. fusca and N. menziesii. New Zealand.
Gastrocarpio 15-30 x 15-12 mm, subgloboso dein ovoideo, marginem versus e stipite dehiscente, e brunneo luteo-brunneo, viscido, Gleba lacunosa vel sublamelliformi, ferruginea exposita sed velo albo obtecta. Stipite 40-80 x 5-10 mm, cylindraceo, pileo concolori, sicco, fistuloso, velo nullo. Odore saporeque nullo. Sporis 9.5-14 x 6-7 µm, ellipticis, minute verrucosis, ferrugineis. Basidiis 4-sporigeris. Cystidiis nullis. Epicute ex hyphis cylindraceis gelatinosisque, cutem formantibus, pigmento brunneolo incrustatis, septis fibuligeris. Ad terram in silvis nothofagineis. Novazelandia.
This species is well characterised by its yellow-brown colouration, the equal stipe and relatively small, minutely warted spores. Only considering the species of Thaxterogaster found in New Zealand, this taxa keys out to Th. carneolum HK;. whose spores, however, are larger and the colours of the gastrocarp more reddish brown. The closest relative is Th. cunninghamii Hk (see above) which grows in the Eucalyptus forests of South Australia.
Holotypus (PDD 27064): ‘Cass, Craigieburn Range., N.Z.; leg. Moonan, 31.III.1968'.

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Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)
Thaxterogaster epiphaeus E. Horak 1973
Thaxterogaster epiphaeus E. Horak (1973)

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Thaxterogaster epiphaeus E. Horak 1973
[Not available]

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typification
New Zealand. Holotype (PDD 27064); Isotype (Herb. HK. ZT 68/670): 'Cass, Craigieburn Rge., Prov. Canterbury, N.Z.; leg. Moonan, 31.111.1968'. - Herb. HK. ZT 67/161

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1cb1a6ce-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
20 February 2021
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