Questions tagged [mycology]

The scientific study of fungi.

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21 votes
2 answers
596 views

How do fairy rings propagate?

It was somewhat new to me that mushrooms usually aren't individual organisms, but are merely the visible bodies of a bunch of fungi living in the soil. I know that mushrooms emit spores to reproduce, ...
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18 votes
1 answer
1k views

Species ID: Buckyball-like fungus [duplicate]

Previous research A friend of mine shared a link of some beautiful fungi: http://imgur.com/a/Dii3H. I was intrigued by the curious critter below -- it seems to have honed the power of buckyball ...
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17 votes
2 answers
2k views

Why does mouldy food make you sick?

Bread gets mouldy pretty quickly. My parents (both of whom are nurses) throw out a loaf of bread after a spot of mould is seen (because "if you can see one spot, it means the whole thing is covered in ...
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16 votes
1 answer
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Why do mushrooms grow in rings (sometimes called "Fairy Rings")?

Mushrooms disperse their spore in all direction. Then why is there a formation of fairy rings? Why do they grow in one shape and not randomly?
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14 votes
1 answer
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How do trees communicate in the "Wood Wide Web"?

I read on The New Yorker - The Secrets of the Wood Wide Web that trees communicate with each other through electrical impulses sent through their roots. Through these impulses they can ask other trees ...
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14 votes
2 answers
988 views

What is Growing on These Tree Leaves? (Image)

I found a seemingly diseased tree when I was out playing tennis yesterday... What is growing on this tree leaf? Is this a disease? If so, is it contagious? I have zero knowledge in botany, but I'm ...
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13 votes
1 answer
470 views

Help to identify this large, slow-growing mushroom?

Here in my backyard in Southern California, there appears to be this relatively smooth, mottled-colored dome-like structure a little larger than a chicken egg in the dirt. Can anyone identify it? Is ...
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11 votes
2 answers
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Are there any documented cases of extinction of a species of fungus?

Are there any documented cases of extinction of a species of fungus? I imagine it would be hard to detect something like this. Edit: documented by humans when it happened and/or induced by humans.
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11 votes
2 answers
693 views

Is this a plant or a fungus?

It was soft and covered in flies. My guess is fungi. Location: South Florida.
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  • 223
11 votes
1 answer
5k views

Yellow/Orange Fungus on Oak Tree

What is the fungus pictured below? The photo was taken October 6, 2013 near San Antonio, TX. I have Googled it and my results suggest Laetiporus root rot (Laetiporus sulfureus). According to this ...
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  • 211
11 votes
0 answers
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What is this fuzzy, black fungus that grew on my plates in the 4⁰C room? [closed]

I often find the fungus below growing on my (ostensibly) sterile plates in the 4⁰C room. Presumably it takes a few days to reach this size. The colony looks puffy and dimpled in the middle, like a ...
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10 votes
2 answers
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Garden Mushroom Identification

Could someone please identify this mushroom? Found in a garden situated in a mild Western European country.
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9 votes
4 answers
427 views

Organisms as potential Bio-Weapons?

Question: Given that with genetic engineering we can customize organisms as bio-weapons. Which species have the most worrying potential to be weaponized for mass destruction? Background: ...
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9 votes
1 answer
3k views

How does yeast dissolve in sugar?

There's this fascinating "kitchen experiment". Take a "brick" of baker's yeast (not dry yeast), and a couple teaspoons of sugar, put them together in a cup and stir together. There's no doubt both are ...
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9 votes
2 answers
1k views

Is there an antagonistic association between Penicillium and Aspergillus?

Some Aspergillus species appear to like walnuts. My question concerns the association of Penicillium and Aspergillus. No sooner does Aspergillus colonize a walnut (or some other challenging carbon ...
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9 votes
4 answers
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What is the difference between "dikaryotic" and "heterokaryotic" states in the sexual lifecyles of fungi?

Many fungi undergo a reproductive phase in which more than one genetically distinct nuclei (from 2 separate mating types) is present within the same cytoplasm. In the Ascomycota and Basidiomycota, ...
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9 votes
1 answer
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Where does fungus store excess food?

Can anyone pin point, as to where and how, the excess food is stored in fungus (mushroom to be specific). Like plants store as starch granules, so where does mushroom store?
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9 votes
1 answer
322 views

How to reduce the quantity of (carcinogenic) mycotoxins in oatmeal?

Like all cereals, oat is commonly (nearly systematically) contaminated by several types of mycotoxin (produced by molds) known to cause cancer{1}. Oat is one of the most infected cereals{2}. Unless ...
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  • 339
8 votes
1 answer
1k views

What is this red mushroom with the "inverted" cap?

Picture taken on 29 March 2020, Czech Republic (Middle Europe). The cap is red, and its shape is "inverted". It is quite tough, first I thought it was a piece of plastic, but apparently it is growing ...
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8 votes
1 answer
51k views

What is this white stuff inside apples?

I live at Vancouver, BC, Canada and I often find this kind of white stuff inside the apples I buy I used to live in Europe (Switzerland) and never saw that before. It very much look like a fungus. Is ...
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8 votes
1 answer
650 views

What is this whitish jelly-like substance on a branch?

I came across this whitish jelly-like substance hanging on a fallen branch. I assume it was growing there and I feel like it might be a fungus or algae of some sort, or maybe an egg sack. I was hiking ...
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8 votes
1 answer
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What kind of mushroom is this?

I picked it this evening beneath an oak, in France, Nantes : I tried an image search with Google, and it seems I picked a finger of a dead hand :) What is its name, and is it edible?
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8 votes
1 answer
978 views

What is this mushroom?

I found a singular mushroom in my back yard, It is jet black, seems to have gills and looks somewhat like a flower do to it's upturned-ness. Sorry for not having spore colors, but I didn't want to ...
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  • 510
8 votes
1 answer
960 views

Puffball mushroom species ID?

Found this mushroom today. It's a kind of puffball mushroom and I think pestle puffball but I hope someone can confirm that/point me to other likely species. It was in Central Eastern Sweden (Uppsala)...
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  • 16k
8 votes
1 answer
553 views

What is the name of this yellow / orange fungus?

I've seen this in October 2016 on Corsica (Island of France): I would guess each one is about 5cm - 15cm in diameter. Obviously, they come in small groups.
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  • 1,501
8 votes
1 answer
429 views

Strange looking mushroom found in a dead tree

I'm trying to identify this mushroom my sister found at her campus' lawn. It is brown, looks somewhat like a turtle or a brain and is growing inside of a dead tree trunk. Geographically the campus is ...
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  • 81
8 votes
0 answers
141 views

Could these be Mycetozoa?

I found this on a forest in Mexico City. It was kind of a warm day (around 15°C). It had been raining a few days prior and it was quite humid, but not suffocating. This orange thing was on top of a ...
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7 votes
1 answer
564 views

circular pattern of mold on quince

Could someone explain why mold on my quinces grows in well separated circles around a center? To make clear, what I mean I post the picture
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7 votes
1 answer
2k views

How do fungi react to being grown in a tissue culture?

I know how plant cells and animal cells react to being cultured and grown this way, but what about mushrooms? Would they respond like plants, and result in embryos growing off the mass? Or does the ...
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7 votes
1 answer
971 views

What are those huge plants / fungi on trees called?

I've seen them in Scotland in August 2015: The plants / fungi were quite high (over 2m) on the tree. They are almost circular if you view them from the top, I guess (except for the part where they ...
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  • 1,501
7 votes
1 answer
231 views

Strange fast growing mushroom like entity

I found this in my lounge today. This room was cleaned less than 48hours ago, with no sign of this growth. We sweeped and mopped, using the same floor cleaner we always do. The two images below is ...
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7 votes
3 answers
254 views

Which mushroom species is this?

Which type of mushroom is this? Hope the image has enough quality to allow answering the question. Following community rules... Images: please find below Location: West-Northern Germany Size - about ...
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6 votes
1 answer
1k views

What is this fungus that is growing on my plant, and is it dangerous?

This fungus is growing on a plant in my front yard and I do not know if it is dangerous for my health or for the plants health. Can you please identify it? I live in Dominican Republic, a tropical ...
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  • 63
6 votes
1 answer
69 views

In lichen, do the fungi consume the oxygen produced by algae?

Is the oxygen produced by algae in photosynthesis consumed by the fungi, specifically in marine lichens where oxygen is less abundant? I am wondering this because of a speculative evolution project.
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6 votes
1 answer
275 views

What kind of lichen is it?

I found that in a monastery garden in Czech Republic this winter. I tried to search it on the internet but unfortunately I didn't find it.
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6 votes
1 answer
240 views

Zombie Ant Fungus?

Ophiocordyceps unilateralis is a parasitoidal fungus that alters the behavior of the infected. Source: Wiki page. How is the fungus able to alter the behavior of the infected to such specfic ...
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6 votes
1 answer
768 views

Do all mushrooms have the same multicellular ancestor?

Do all mushrooms have the same multicellular ancestor? Did that ancestor feature common mushroom elements such as cap, stem, sporofore, vulva, bulb, etc.
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6 votes
1 answer
945 views

Pretty Flower Fungus in Oak Tree

Found this on a nature walk in the town of Lincoln, MA, USA. Is this edible? I believe it is a type of fungus.
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6 votes
1 answer
228 views

Is this some sort of fungus?

There is something strange growing straight out of the glass windows at work. They look like hairs, about half an inch long, and each have a white spot on the tip of them, slightly weighing them down. ...
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6 votes
1 answer
1k views

What is effectiveness of methyl-alcohol as sporicide?

Methyl-alcohol is the weakest alcohol in terms of bactericidal properties. However, I have read that it also works as sporicide. What is the effectiveness of methyl-alcohol in killing the spores of ...
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6 votes
2 answers
195 views

Help identifying a mushroom found in Raymond, WA, USA

Hello dear mycology wizards! Could you help me figure out what's the name of this species. I found the mushrooms in a forest near to Raymond, WA. The area was quite wet and mossy, but not a swamp. ...
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5 votes
2 answers
338 views

Do Traits Have to be Adaptive in Order to Survive?

I'm reading Michael Pollan's book 'How to Change Your Mind', which is largely about psychedelic mushrooms. In discussing the biology of the mushrooms, he writes: 'Even if psilocybin in mushrooms ...
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5 votes
1 answer
409 views

How do mushrooms react to being grown in a microgravity environment?

I'll use Agaricus Bisporus as an example mushroom. If cultured in potato dextrose yeast extract agar, will the resulting growth grow in a normal pattern? Will the sporocarps emerge from the surface (...
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5 votes
2 answers
378 views

Has an artificial symbiotic relationship ever been created?

Have 2 organisms ever been introduced to create a symbiotic relationship that doesn't occur in their natural environment?
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