Trichobolus zukalii - Forum ASCOFrance

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Trichobolus zukalii

Joop van der Lee, 04-03-2014 16:20

Found on deer dung.
Fruitbody; yellow; consisting of a thick layer in which the hairs originate covering a circular ascus; number of asci 1-2. The layer can be peeled off and only the ascus remains
Hairs: 190-241x7-7.5 um; non-septated; bulbous base; thickwalled 2-2.5 um and pointed top.
102.5-109.5 um; non-septated; bulbous base; thickwalled 2-2.5 um and rounded top.
Asci: Circular: 177-246.5 um; > 1000 spores; no thick wall.
Spores: oval; 10-10.5x7.5-8 um

Björn Wergen, 04-03-2014 17:48

Re : Lasiobolus?

Hi Joop,

this is Trichobolus zukalii, a common coprophil fungus with only 1 polyspore ascus.

regards,
björn

Peter Püwert, 04-03-2014 18:13

Re : Lasiobolus?

Hello Joop,
yes, it's Tr. zukalii, immature.
Greetings Peter.

Joop van der Lee, 04-03-2014 18:37

Re : Lasiobolus?

Reading Doveri spore measurements of this species are smaller and hairs are non-septated, they do match T. sphaerosporus but than again hairs are non-septated. And as you can see on the 3rd and 5th photo it holds two asci as well.

Peter Püwert, 04-03-2014 19:49

Re : Lasiobolus?

Hello Joop,
in my opinion are the ascomata of your collection not mature. Therefore the difference in the size of spores. DOVERI wright, that setulae "usually septat", more in the rip too, and the second asci are probably a young ascomata.
Greetings Peter.

Joop van der Lee, 04-03-2014 20:55

Re : Lasiobolus?

OK Peter vielen dank

Joop

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