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Omphalina wellingtonensis G. Stev. 1964

Scientific name record
Names_Fungi record source
Is NZ relevant
This is the current name
This record has collections
This record has descriptions
This is indigenous
Threat status: Data deficient

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Omphalina wellingtonensis G. Stev., Kew Bull. 19 12 (1964)
Omphalina wellingtonensis G. Stev. 1964

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Endemic
Present
New Zealand
Political Region

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G. Stev.
G. Stev.
1964
12
ICN
Omphalina wellingtonensis G. Stev. 1964
NZ holotype
species
Omphalina wellingtonensis
HABITAT: under mixed forest, Keith George Park, Wellington, [New Zealand] 30.5.1949, Stevenson Holotype K(M) 195454

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wellingtonensis

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Omphalina wellingtonensis G. Stev. 1964

[GS] Pileus 1-2 cm. diam., orange darker at centre, plane becoming concave, margin slightly exceeding gills, matt; flesh thin, orange. Gills decurrent, orange-yellow, shallow, crowded. Stipe 2-3 cm. x 1-1.5 mm., orange, smooth, hollow, fragile. Spores 10 X 4.5um, non-amyloid, thin-walled; print white [EH] Examination of the type material and of additional fresh carpophores showed clearly that this rather common species in New Zealand does not belong in Omphalina. The specific characters indicate a distinct relationship to Gerronema sensu. Singer. More studies are necessary to extend our knowledge of this peculiar agaric. [JAC] type material shows the characteristic frosty and resinous edge to the gill seen in later material. Exuding oil drops into melzers. There can be no doubt this is the same as PDD 80829, PDD 87414, PDD 96314 and apparently PDD 105747 which is much paler. Sequences indicate it occupies an isolated position with Mycena acicula and other orphans from Mycena, much close to Atheniella in need of a new generic name, and probably family (atheniellaceae).

Omphalina wellingtonensis G. Stev. 1964

Examination of the type material and of additional fresh carpophores showed clearly that this rather common species in New Zealand does not belong in Omphalina. The specific characters indicate a distinct relationship to Gerronema sensu. Singer. More studies are necessary to extend our knowledge of this peculiar agaric.

Omphalina wellingtonensis G. Stev. 1964

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

Omphalina wellingtonensis G. Stev. 1964

Pileus 1-2 cm diam., orange darker at centre, plane becoming concave, margin slightly exceeding gills, matt; flesh thin, orange. Gills decurrent, orange-yellow, shallow, crowded. Stipe 2-3 cm x 1-1.5 mm, orange, smooth, hollow, fragile. Spores 10 x 4.5 µm, non-amyloid, thin-walled; print white (Fig. 22).
Under mixed forest, Keith George Park, Wellington, 30.5.1949, Stevenson (type).
Pileus 1-2 cm diam., aurantiacus (medio fuscius), planus deinde concavus, margine lamellas leviter excedente, haud nitidus; carne tenui aurantiaca. Lamellae decurrentes, flavo-aurantiacae, haud altae, confertae. Stipes 2-3 cm x 1-1.5 mm, aurantiacus, laevis, cavus, fragilis. Sporae 10 x 4.5 µm haud amyloideae, parietibus tenuibus; in cumulo albae.
Typus: Stevenson 601.

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Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev.
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)
Omphalina wellingtonensis G. Stev. 1964
Omphalina wellingtonensis G. Stev. (1964)

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Omphalina wellingtonensis G. Stev. 1964
[Not available]

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taxonomic status
Horak's material as Rickenella wellingtonensis is the same. This taxon is not an Omphalina and is allied to Mycena acicula which is non Mycena sensu stricto [JAC]
typification
HABITAT: under mixed forest, Keith George Park, Wellington, [New Zealand] 30.5.1949, Stevenson Holotype K(M) 195454

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1cb19688-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
15 December 2003
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