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Omphalotus olearius.   Click a photo to enlarge it.   back to list

synonyms: Clitocybe de l'olivier, Clitocybe olearia, Jack O'lantern, Ölbaumpilz, Omphallotus illudens, Pleurote de l'olivier
Omphalotus illudens Mushroom
Ref No: 9287
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Omphalotus olearius Mushroom
Ref No: 9288
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Omphalotus olearius 6 Mushroom
Ref No: 19615
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location: North America, Europe
edibility: Poisonous/Suspect
fungus colour: Yellow, Orange
normal size: 5-15cm
cap type: Funnel shaped
stem type: Lateral, rudimentary or absent
flesh: Mushroom has distinct or odd smell (non mushroomy)
spore colour: White, cream or yellowish
habitat: Grows in woods, Grows on wood

Omphalotus olearius (DC. ex Fr.) Sing. syns. Omphallotus illudens (Schw.) Bigelow, Clitocybe olearia (Fr. ex DC.) Maire Jack O'lantern, Ölbaumpilz, Clitocybe de l'olivier, Pleurote de l'olivier. Cap 5–10cm across, strongly depressed to funnel-shaped, bright orange. Stem 40–140 x 7–28mm, wavy and tapering towards the base, paler than cap. Flesh yellowish, darkening towards the stem base. Taste not distinctive, smell strong and unpleasant. Gills decurrent, golden to orange. Spore print white. Spores subglobose, 5–7´4.5–6.5m. Habitat on the roots or at the base of trunks of certain trees; oak and chestnut in Britain, frequently on olive in Europe. Season autumn. Distribution, Europe. Very rare. Poisonous.
This fungus may be seen to glow in the dark, the phosphorescence coming from the gills when the spores are mature. The photograph on the white background came to me from Tam, many thanks.

Members' images and comments

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Andrew Block (United States) - 11 December 2012

Taken at Woodlawn Cemetery, Bronx, N.Y., on 30 September 2012. They were growing in the grass under some large trees.
Omphalotus olearius 6
vasilis papnastasiou (Greece) - 25 November 2012

Omphalotus olearius 6
vasilis papnastasiou (Greece) - 25 November 2012

Avlonas region of Attika close to Athens Greece, i find this Mushroom(s) in the base of olive tree.look the dimesions
Dejan Stojanovic (Yugoslavia) - 30 August 2012

Omphalotus olearius. Poisonous mushrooms.
Omphalotus olearius 6
michael kingsley (Portugal) - 24 November 2011

On dead wood at the base of an olive tree in central Portugal. 24.11.2011
Omphalotus olearius 6
michael kingsley (Portugal) - 24 November 2011

On dead wood at the base of an olive tree in central Portugal. 24.11.2011
Omphalotus olearius 6
michael kingsley (Portugal) - 24 November 2011

On dead wood at the base of an olive tree in central Portugal. 24.11.2011
Omphalotus olearius 6
Marjan Kustera (Yugoslavia) - 13 June 2011

Find and taken by Marjan Kuštera,Serbia,Niš Very common under oaks in southern Serbia.
Omphalotus olearius 6
Panayiota Alonnisos (Greece) - 12 November 2010

Hello from Greece I hope I am sending these pic correctly ,thank u very much
Omphalotus olearius 6
Slobodan Nikolic (Yugoslavia) - 03 November 2009

Omphalotus olearius 6
kate Leaser (United States) - 24 September 2009

Omphalotus olearius found growing in numerous clusters on and about a decaying oak tree stump in Etters Pa USA Bright orange in color, chemical reaction to ammonia brushed on cap is an olive green hue. Stem on cross section is solid with the orange color through out the entire mushroom. Appoximately 15 cm in length with the cap ranging in width of 2cm to 6cm on the larger examples, Observed late September 2009 after rain showers.
Omphalotus olearius 6
Lorand Bartho (Hungary) - 16 February 2009

Hungarian name, Világito tölcsérgomba
Lorand Bartho (Hungary) - 24 October 2008

Omphalotus olearius 6
Adam Rosenberg () - 20 October 2008

Omphalotus olearius 6
Lorand Bartho (Hungary) - 06 October 2008

Jack O'lantern
Omphalotus olearius 6
Lorand Bartho (Hungary) - 06 October 2008

Jack O'lantern
Omphalotus olearius 6
Lorand Bartho (Hungary) - 06 October 2008

Jack O'lantern
Omphalotus olearius 6
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