Questions tagged [mycology]

The scientific study of fungi.

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1answer
767 views

What is so difficult about mushroom cultivation?

I am just wondering why it is so cheap and easy to cultivate this type of mushroom: Agaricus bisporus, however a typical forest mushroom such as Boletus edulis has to be harvested. What makes one ...
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237 views

What mushroom is this?

A lot of these popped up recently in our backyard (St. Louis, Missouri, United States). They are all grouped into these clusters and there were probably 5 of these big clusters. Anyone know what ...
8
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1answer
539 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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1answer
530 views

What is the name of this brown, “flat hat”, fungus?

I've seen this in October 2016 on Corsica (Island of France): See https://commons.wikimedia.org/wiki/File:Gr-20-petra-piana-to-onda-08.jpg for more images and higher resolutions.
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1answer
646 views

How to measure surface area of plated bacteria?

For my project, I'm growing Baker's yeast and probiotics in two liquid cultures before mixing them together and plating them. I'm trying to measure the impact of the probiotics on the yeast. How ...
3
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2answers
88 views

What is the name of this about 10cm high, grey, “flat hat” fungus?

I found this fungus on Corsica (France). Can you please help me to identify it?
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1answer
71 views

Does tardigrade eat mould?

There is a problem of devastating mold in ventilation of old buildings in Europe. I guess tardigrades might be better solution because chemicals is not a good idea for ventilation because people are ...
5
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1answer
256 views

Can someone identify this mushroom?

I found this monster on my lawn in New Hampshire USA, with a pileus that measures about 8.5 inches across. My mother has threatened to eat it unless I can demonstrate that it's poisonous, so any help ...
3
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1answer
5k views

Do all fungi dislike acidic environments?

I know that some fungi prefer mildly alkaline environments and dislike acidic environments. Is that true of all fungi, or do some fungi prefer acidic environments? If so, are such acidic fungi rare ...
13
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1answer
427 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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2answers
619 views

What Type of Mushroom is this?

Recently in Eastern Pennsylvania, there has been lots of rain and heat (90's) for a couple weeks now, so lots of mushrooms are popping up. A neighbor posted a picture of this fungus in a community ...
6
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1answer
212 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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0answers
159 views

What type of Gorgonzola cheese fungus/bacteria is this?

I have purchased a gorgonzola cheese and it came with some orange/yellow fungus/bacteria in the cheese's surface. Anyone know what kind of fungus/bacteria it is, and if it's safe to eat?
4
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1answer
181 views

What is the name of this about 5cm high, grey, Beanie shaped fungus?

I found those below some stone stairs in Germany. The grass gives you an impression of the size (I guess the grass is about 5-7cm tall)
8
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1answer
45k 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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1answer
101 views

Is this bacteria or fungi?

I've been growing bacteria on an agar plate and after putting the dishes in the incubator, this is what I saw. I'm new to bacteria identification, and is this just contamination by fungi or is this ...
3
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1answer
477 views

What type of mushroom/fungus is this?

I had someone gift me some old firewood along with some other wood I had purchased from them. I was told the wood in question is popple. However, it was in pretty bad shape and much of it had a ...
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0answers
77 views

Toxicity of Zinc to fungi [closed]

I would like to know what are the mechanisms and overall effects of Zinc on fungi. I know that Candida albicans is susceptible to Zinc deprivation and Zinc-infused paint is also used to repel mold.
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1answer
1k views

What happens to the mold spores we inhale?

What happens to the mold spores we inhale? I'm guessing when we exhale, many of them are expelled back out to the environment. But given that disease can be caused by mold exposure, I'm also ...
9
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1answer
4k views

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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2answers
45 views

Where I can download the genome sequence of various species of Fusarium?

I'm looking for genome sequence of various species of Fusarium (a kind of fungus!) on net, but I found no suitable information. Could you please help me out for this purpose? Thanks in advance
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Can dermatophytes (toenail fungus) survive without oxygen?

I read that fungi in general can switch to alcohol fermentation in the absence of oxygen (https://en.wikipedia.org/wiki/Anaerobic_organism). How about dermatophytes ? (https://en.wikipedia.org/wiki/...
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35 views

How do I test if microbes have survived after dehydration?

I have a solution containing various bacteria and fungi. My aim is to place solution on filter paper, and wait until it dries. I then wish to test if the organisms have survived, either on the dried ...
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1answer
1k views

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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white and brown mushrooms. same species but…?

On Cooking SE and Wikipedia we wonder if someone can claify: Are white vs brown immature fruiting bodies of Agaricus bisporus different stages of development like many kinds of fruit change color as ...
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1answer
864 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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1answer
219 views

Ways to fight black mold

Is it possible to introduce a microorganism to a colony of black mold that will kill off the black mold entirely and permanently? Is there a common microorganism that likes to eat them and is harmless ...
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77 views

What Chemical Trigger Causes Ectomycorrhiza To Change From Asexual To Sexual?

I want to know the trigger behind the change of asexual to sexual ectomycorrhiza when symbiosis with a tree root is formed. As ectomycorrhiza attaches itself to a root, it forms a relationship wherein ...
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1answer
72 views

Requirements for soil sample transportation over long distance

I need to collected soil sample from agricultural area far away from my lab. It would required about a week for the sample to arrive to lab. I need the soil sample for genomic DNA isolation (...
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2answers
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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1answer
347 views

How high into the air are spores of molds commonly occurring?

I understand so far that most of the air surrounding us contains mold spores so that given the right environment and a food source they start to grow. I assume this is true for air close to the earth. ...
6
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1answer
971 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 ...
18
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1answer
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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1answer
2k views

The ring formation of ringworm

I know ringworm is caused by a fungus on the skin, nails or scalp but what causes the rash to form as a ring instead of like a normal spread out rash?
8
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1answer
744 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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1answer
2k views

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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Why is Pilobolus phototropic?

Pilobolus is a fungal genus whose fruiting bodies consist of a stalk ending in a spore mass that is launched via turgor pressure to disperse the spores. The fruiting bodies grow towards light, which ...
5
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1answer
489 views

Strange Cordeyceps-looking Mushroom in Australia

In the past few weeks, after the rain started up I noticed these mushrooms around my local area. I'd never seen them previously out of the 20 years I've lived here (a town in Queensland, Australia). ...
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118 views

Why can't there be fructification of mycelium in submerged culture?

I am very new at this. I am wondering why fed batch cultures produce a lot of mycelia but no fruit. I thought the more mycelia you had, the greater chance of it forming a fruit body. I am refering to ...
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303 views

How Many Generation We can Run a Mycelium of Pleurotus ostreatus/Pearl Oyster?

I am able to grow mycelium successfully on the spent coffee grounds. And mycelium is successfully fruiting once/twice on the same substrate. I am cloning by taking mycelium from the existing one (...
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1answer
418 views

Molds and fungi usually found on book pages: identifying and preventing further spread

I know I can use bleach to kill most of the spores that live on my walls. I know I have to keep humidity below a certain level and temperature above another to prevent the spread of mold. I have read ...
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2k views

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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2answers
659 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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1answer
426 views

What is a good identification key for European mushrooms?

I live in the Netherlands, and I am looking for an identification key for mushrooms. Are there any keys you could share?