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I still haven’t hauled out my copy of How to Know the Spores of Hypogeous Fungi of North Temperate Forests … yet. Not sure how much help that would be anyway, except for a tentative identification based solely on spore characteristics. Still, might narrow things down a little.
Gymnomyces in my area typically have strong odors, often of fruit, like grapefruit, raspberry, tangerine, etc. Something is attracting animals to eat these and disperse them. The HUGE locules, bordering on deformed gills, really has me stumped here. Much more basic material than what I usually have to work with.
They had no discernible odour, at least none that I could detect. There are no bandicoots as far as I’m aware but some potentially mycophagous local fauna includes Phascogale, Antichinus and Wallaby.
The locules are HUGE! Almost more deformed gills. Which to me would point to Macowanites, except there is neither stipe nor columella.
Two questions. 1) Any odor/aroma? 2) Any bandicoots or other rarish marsupials in this area?
The first image shows a sectional view (albeit not very well). The gleba was loculate and a stipe or columnella was absent (they were sessile). All tissues were white and discoloured orange-red (with damage/age?). The fruiting bodies pictured had been dug up by some little critter, though would have originally been hypogeous.
The spores were hyaline, globose, finely ornamented and had a prominent apiculus. All tissues appeared somewhat dextrinoid in Lugol’s. I’ll add pictures rather than continue describing them.
In my experience, this could be a Macowanites, Gautieria, Rhizopogon, or possibly one of the newly discovered species from Australia. Macowanites should have a short stipe or pseudostipe; Gautieria has an internal stipe called a columella, which is usually somewhat gelatinous; Rhizopogon usually have more rhizomorphs (thread-like structures) on the outside of the peridium (skin). There are also a host of species found only in Australia that I have not examined, only read about.
would be very helpful in the future, TimmiT. Many of the features necessary to identify hypogeous fungi are found on the interior: locules, pseudostipe, color changes to peridium when cut or bruised, etc.
Created: 2012-07-28 06:37:20 EDT (-0400)
Last modified: 2012-09-08 00:01:43 EDT (-0400)
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