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Hygrocybe elegans E. Horak 1973

Scientific name record
Names_Fungi record source
Is NZ relevant
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This is indigenous
Threat status: Data deficient
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Endemic
Present
New Zealand
Political Region
Anon

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E. Horak
E. Horak
Horak, E. 1973: Fungi Agaricini Novazelandiae I-V. Beihefte zur Nova Hedwigia. 43.
1973
153
ICN
Hygrocybe elegans E. Horak 1973
NZ holotype
species
Hygrocybe elegans
Holotype (PDD 27086); Isotype (Herb. HK. ZT 69/96): 'In coastal forest, Okarito Trig, Prov. Westland, New Zealand; leg. Horak, 19.11.1969

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Fungi
Basidiomycota
Agaricomycetes
Agaricales
Hygrophoraceae
Hygrocybe
elegans

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Horak, E. 1973: Fungi Agaricini Novazelandiae I-V. Beihefte zur Nova Hedwigia. 43.

Hygrocybe elegans E. Horak 1973

Holotype (PDD 27086); Isotype (Herb. HK. ZT 69/96): 'In coastal forest, Okarito Trig, Prov. Westland, N.Z; leg. Horak, 19.II.1969'.
Pileus 5-20 mm diam., convex -when young, soon becoming flat and concave with upturned margin, deep red-orange at the disc, paler or yellow towards the estriate margin, dry,  hygrophanous, minutely felty. Lamellae decurrent, yellowish, red colours lacking, gill edge concolorous. Stipe 20-50 x 2-4 mm, cylindric, equal, yellowish like lamellae, orange or red colours absent, dry, glabrous, hollow, single or fasciculate. Context yellowish. Taste and odor unpleasant. Chemical reactions on pileus: KOH, HCI and NH3 - negative. Spores 7-8.5 x 4.5-5.5 µm, ovoid, smooth, inamyloid. Basidia 50-60 x 6-7 µm, 4-spored. Cystidia absent. Cuticle a trichoderm or palisade, composed of suberect cylindric, not gelatinized hyphae (3-8 µm diam.), plasmatic pigment present. Clamp connections on septae.
Amongst litter on soil under Weinmannia racemosa, Dacrydium cupressinum, etc. New Zealand..
Pileo 5-20 mm lato, convexo dein applanato vel concavo, aurantio marginem versus flavo, sicco, velutino. Lamellis decurrent bus, flavis. Stipite 20-50 x 2-4 mm, cylindrico, lamellis concolori, sicco, cavo. Caro foetida. Sporis 7-8.5 x 4.5-5.5 µm, ovoideis. Cystidiis nullis. Epicute ex hyphis cylindricis trichodermium formantibus, pigmento plasmatico instructis, haud gelatinosis. Septis fibulatis. Ad terram in silvis. Novazelandia.
In the New Zealand bush this species could be confused with H. procera (Stev.) or H. aurantiopallens Hk. but the microscopic characters of both species are distinctly different. H. elegans Hk. apparently belongs to the H. firma (Corner) stirps but is separated mainly in its particular structure of the cuticle. Compared with European species of Hygrocybe the N.Z. fungus is close to H. coccineocrenata (Orton) but differs in addition to other characters by its smaller spores and other type of cuticle.
Holotypus (PDD 27086): 'Okarito Trig. Westland, N.Z.; leg. Horak, 19.II.1969'.
Horak, E. 1990: Monograph of the New Zealand Hygrophoraceae (Agaricales). New Zealand Journal of Botany 28(3): 255-306.

Hygrocybe elegans E. Horak 1973

SPECIMEN: NA, Waitakere Ranges, Atkinson Park, ZT 743.
Pileus-25 mm, at first convex, centre soon becoming flat, finally concave with upturned margin; brilliant orange (with red tint) at disc, paler or yellow towards margin; dry, glabrous to minutely felty or subsquamulose (at least in centre), hygrophanous, margin non-striate. -Lamellae 8-12 (1 -3) decurrent to arcuate; pale yellow-orange, red tints absent, edges concolorous, entire. - Stipe 20-50 x 2 - 4mm, cylindrical, equal or attenuated towards base; pale yellow like lamellae, dry, glabrous, hollow, single or caespitose. - Context orange in pileus, yellow in stipe. - Odour and taste not distinctive. - Chemical reactions on pileus: KOH, HCI, NH3 - negative. Spores 6.5-8.5 x 4-5.5 um, ovoid. - Basidia 50-60 x 6-7 um, 4-spored. - Cystidia absent. - Pileipellis a cutis (or trichoderm) of cylindrical, rather narrow hyphae (3-8 um diam.), membrane not gelatinised, with yellowish plasmatic pigment; clamp connections present (Pl. 1, Fig. 2).
DISTRIBUTION: NZ (NA,WL).
ECOLOGY: Rare; saprobic on soil among litter under Kunzea ericoides and in broadleaved-conifer forest (Weinmannia, Dacrydium). February-May.
ICON.: Horak (1973: 153).
TYPE: NZ: WL, Whataroa, Okarito, under Weinmannia racemosa and Dacrydium cupressinum, 19 ii 1969, Horak, PDD 27086.

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Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Hitchmough, R. (compiler) (2002)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Horak, E. (1973)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Horak, E. (1990)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Pennycook, S.R. (2004)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Pennycook, S.R.; Galloway, D.J. (2004)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Segedin, B.P. (1987)
Hygrocybe elegans E. Horak 1973
Hygrocybe elegans E. Horak (1973)
Segedin, B.P.; Pennycook, S.R. (2001)
Hygrocybe elegans E. Horak 1973

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Hygrocybe elegans E. Horak 1973
[Not available]
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typification
Holotype (PDD 27086); Isotype (Herb. HK. ZT 69/96): 'In coastal forest, Okarito Trig, Prov. Westland, New Zealand; leg. Horak, 19.11.1969

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1cb18dab-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
27 November 2022
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