Observation 150430: Helicoon richoconis
When: 2013-10-30
Collection location: Ottawa, Canada [Click for map]
Who: Jonathan M
No herbarium specimen

Notes: very few 3d coiled conidial general exist in north america, the most similar would be troposporium who do slimey sporodochia (probably a bit similar to leucogloea) on corylus and is unseptated

growing on humid wood in culture box.

  • Helicoon is supposed to be writed Helicoön, but i can’t make the latter valid in MO.

Proposed Names

56% (1)
Recognized by sight
Used references: The genera of hyphomycetes (2011) K,Seifert. G,morgan-jones.W,gams.B,kendrick
Based on microscopic features: 3d coiled conidia
84% (1)
Eye3 Eyes3
Recognized by sight
Used references: a little reference book on helicoon in K.Seifert lab
Based on microscopic features: Massive conidia for helicoon, almost black conidia when mature, septation of the conidia

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Thanks for the info..
By: Mark Brunschwiler (Mark Brunschwiler)
2013-11-01 11:50:55 JST (+0900)

Thanks for the information.Your photos are excellent. The structure of these organisms continue to amaze me! Mark

i used
By: Jonathan M
2013-11-01 02:12:12 JST (+0900)

a placed a special camera for microscope on my dissecting microscope , but i needed to do extensive cropping to the picture to get that result, but the rest was just out of focus wood anyway.

Great observation Jonathan
By: Christian (Christian Schwarz)
2013-10-31 12:56:46 JST (+0900)
Very Cool!!!
By: Mark Brunschwiler (Mark Brunschwiler)
2013-10-31 12:14:42 JST (+0900)

Great photos, How were they taken? Thanks Mark

Created: 2013-10-31 03:14:26 JST (+0900)
Last modified: 2013-11-02 08:25:55 JST (+0900)
Viewed: 106 times, last viewed: 2017-06-17 08:50:37 JST (+0900)
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