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mispelledyouth
Stranger
Registered: 09/14/20
Posts: 9
Last seen: 3 years, 2 months
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Large Wavy Cap Type Mushroom ID Please
#26934807 - 09/14/20 09:40 AM (3 years, 5 months ago) |
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These specimen were noticed because of the very obvious and pronounced undulating wavy edges to the rim. The wavy cap made me think of maybe Psilocybe cyanescens (hence me picking them up!) but they seem a bit big and the stalk a bit short.
A little googling leads me to maybe Lepista flaccida or something similar looking?
Would love some help figuring them out!
Picked on a sunny day after several days of dry weather. I suspect they may have been sitting in the sun drying but the flesh remains spongy and springy despite being dry and there was no sign of decay or rot when picked.
Size - Larger specimens are approx 15cm wide, smaller 5cm. From the center of the cap the edges rise approx half the width of the cap, so between 2-8sm upward growth according to overall size.
Habitat - Found growing in a grass verge next to an urban road underneath a decidious tree of some UK variety.
Location - South East Inland UK (Essex)
Spore Print - Brown with a tinge, maybe purple?
Cap = Strong Wavy pattern to the rim and an . The very edge of the rim edge curves underneath at the edges to form a small lip on the underneath. The cap tends upward in general to form a dip in the center. Colour is light brown and bruising to black/dark brown
Gills - ATtached to stem. Light brown with dark brown splotches probably caused by transport/bruising from picking location.
Bruising - Bruising black and dark brown all over.
Stem - Thick Stem like a trunk. Solid flesh inside of a very light brown colour
Smell - No strong smell. Just a light mushrom odour with a very faint nuttiness.
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Anglerfish
hearing things



Registered: 09/08/10
Posts: 18,666
Loc: Norvegr
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Re: Large Wavy Cap Type Mushroom ID Please [Re: mispelledyouth]
#26934819 - 09/14/20 09:44 AM (3 years, 5 months ago) |
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Paxillus involutus, deadly toxic.
Psilocybe cyanescens are very different in appearance:
https://www.shroomery.org/12501/Psilocybe-cyanescens
Welcome to the Shroomery.
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mispelledyouth
Stranger
Registered: 09/14/20
Posts: 9
Last seen: 3 years, 2 months
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Re: Large Wavy Cap Type Mushroom ID Please [Re: Anglerfish]
#26934860 - 09/14/20 09:59 AM (3 years, 5 months ago) |
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Wow, thanks for the quick response.
I did not expect the words 'deathly toxic' .
I shall be more careful about my finds in future I think!
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Anglerfish
hearing things



Registered: 09/08/10
Posts: 18,666
Loc: Norvegr
Last seen: 3 hours, 7 minutes
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Re: Large Wavy Cap Type Mushroom ID Please [Re: mispelledyouth]
#26934896 - 09/14/20 10:11 AM (3 years, 5 months ago) |
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Quote:
mispelledyouth said: I did not expect the words 'deathly toxic' .
This species is apparently toxic in a quite different way than the "typical" Amanita, Cortinarius and Galerina species.
You can read about it in this article: https://en.wikipedia.org/wiki/Paxillus_involutus
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Is Only Game
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Registered: 06/13/19
Posts: 52
Last seen: 9 months, 6 days
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Re: Large Wavy Cap Type Mushroom ID Please [Re: Anglerfish]
#26934905 - 09/14/20 10:14 AM (3 years, 5 months ago) |
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In the mid-1980s, Swiss physician René Flammer discovered an antigen within the mushroom that stimulates an autoimmune reaction causing the body's immune cells to consider its own red blood cells as foreign and attack them. Despite this, it was not until 1990 that guidebooks firmly warned against eating P. involutus, and one Italian guidebook recommended it as edible in 1998.[60] The relatively rare immunohemolytic syndrome occurs following the repeated ingestion of Paxillus mushrooms.[61] Most commonly it arises when the person has ingested the mushroom for a long period of time, sometimes for many years, and has shown mild gastrointestinal symptoms on previous occasions.[27] The Paxillus syndrome is better classed as a hypersensitivity reaction than a toxicological reaction as it is caused not by a genuinely poisonous substance but by the antigen in the mushroom. The antigen is still of unknown structure but it stimulates the formation of IgG antibodies in the blood serum. In the course of subsequent meals, antigen-antibody complexes are formed; these complexes attach to the surface of blood cells and eventually lead to their breakdown.[27]
Very interesting mushroom.
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MerryMoose
I'm a moose!



Registered: 01/02/20
Posts: 67
Loc: Ohio
Last seen: 1 year, 3 months
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Re: Large Wavy Cap Type Mushroom ID Please [Re: Is Only Game]
#26936142 - 09/14/20 11:23 PM (3 years, 4 months ago) |
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What a horror story of a mushroom.
Imagine something you've been eating for years, realizing that you were basically playing russian roulette all those years every time you used them in a meal.
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