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Bonnet mould

Spinellus fusiger

Photo by Jae
Published on Project Noah
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52.2875, 6.13225

Field Notes

Description:

This very common little parasite of Mycena species, and of several other mushroom genera, is known as a pin mould. It appears on the caps of larger fungi as erect pale brownish-yellow sporangiophores on which its zygospores are produced. Bonnet mould and the other members of the Spinellus genus are able to reproduce when pins from the same mycelium contact one another, such fungi are termed homothalic.

Habitat:

This species occurs across Europe as well as in Asia and North America. Spinellus fusiger is a parasitic fungus seen on bonnet mushrooms.

Notes:

Spotted on a Mycena sp. in Nieuwe Rande Forest in rural area of Deventer, Holland. (sources:see reference)

Species ID Suggestions

Comments (8)

Thank you, Daniele.
Thank you, arlanda.
Thanks, Mark and I agree. In Holland this pin mold is sometimes called Einstein mold :)
Yes well done. They look like little stellar explosions. Not many people know about these smaller fungi and they can be quite beautiful.
Thank you, catgrin.
Lovely pic! You really showed the pins well, and showing an uninfected mushroom helps to explain what's going on - terrific spotting!

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