Observation 199407: Boletales E.-J. Gilbert

Small (immature?), fungi found protected by fallen log. Fungi growing (rooted) in soil (eucalyptus semi rain forest), with main body above ground. Surprisingly firm to handle and may be too difficult to identify. Raining at time of find and soil wet.. Fungi had small root system displayed when examined and also bisected..

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Recognized by sight
92% (2)
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Used references: Suggested by Heino Lepp.

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Comment Courtesy Heino Lepp.

Ian, I see a suggestion of Amanita, possibly because of what appears to be a white universal veil over the very immature button stage. I thought of a universal veil as well when I put it under the dissecting microscope. But then saw a few more bits of yellow and, sure enough, there were the large, globose, chunkily warted chlamydospores or aleurioconidia of Sepedonium. However, far more abundant are the thin-walled elongated ellipsoid to cigar-shaped dispersal conidia. In fact that ‘universal veil’ is just a mass of hyphae producing those thin-walled conidia. The photo shows some of those hyphae. One thing about Sepedonium is that it is very commonly found growing on Boletales (pored, gilled or truffle species – and you’ll probably remember that you had it last year on a truffle). So the host fungus may be some very immature member of the Boletales rather than an Amanita.



You’ve found
By: Daniel B. Wheeler (Tuberale)
2015-02-20 20:02:59 CST (-0500)

a mushroom button, Ian. The gills/pores are not well separated yet, but still identifiable on the left-hand side of the first photo. I’m not sure about the striations in the stipe, but that should give a pretty good idea of what kind of mushroom it will mature into.

Created: 2015-02-20 18:54:43 CST (-0500)
Last modified: 2015-06-24 09:35:22 CDT (-0400)
Viewed: 114 times, last viewed: 2018-01-08 07:54:04 CST (-0500)
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