Questions tagged [mycology]

The scientific study of fungi.

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22 views

Is it a trichoderma?

I have got some fungi on a polypore. Can it be a trichoderma?
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What is the best way to find out what type of mold/fungi this is?

I have found some mould or fungi behind my bath tub panel. It seems to be the results of splashed water. I'd like to know what it is exactly. I'm in the UK. If I need more specific data about what ...
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Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut?

Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut? For instance, how likely is it that the hazelnuts pictured below contain Aflotoxin? P.S.: these ...
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How can Saccharomyces cerevisiae live in a dried state for long periods of time?

I want to know how can the Saccharomyces can live for so long in dried form. I am talking about the dried yeast used in baking .
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Can mushroom species chantarelle cibarius thrive in mycorise with an apricot tree?

A few years ago we accidentaly throw several unusable parts of chantarelles picked up in woods near our apricot tree and one year after there was an explosion of chantarelles cibarius in our garden ...
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Why would Aspergillus Oryzae produce lactase when no lactose is present?

Studies [1] have shown that lactase is produced by A. oryzae when grown on wheat bran and spent beer grains. Why would A. oryzae produce lactase when these substrates have no lactose? In [1], it's ...
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What functions other than spore dispersal does a fruiting body serve in a mycelial network?

I'm not exactly sure if this is the appropriate forum to ask this, so apologies in advance. My question is both technical and general: what are the less obvious functions that the individual mushroom ...
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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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Can viruses stabilize and increase the shelf life of wine and other foods?

When you make wine, you use the yeast Saccharomyces cerevisiae to ferment sugary juices. After you're done, you want to avoid them doing anything by using some chemicals etc. There are also other ...
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1answer
49 views

How to calculate the quantification of qPCR to the equivalent of the number of nuclei in fungi?

I have a question about the quantification through qPCR. The my question is: if I made the qPCR of a fungal functional gene, how is possible to obtain from the quantification number (in nanogram) the ...
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What kind of mushroom is this? Found in SF

We found this on a trail in San Francisco. Could someone please tell me what kind of mushroom this is?
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What is the minimum relative humidity that black mould/mold requires to grow?

What is the minimum relative humidity that black mould/mold requires to grow? I understand that there are other factors e.g. the water activity of the surface the substrate is on.
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What are methods to kill mould (mold) on a porous surface?

How can mould be killed where the substrate has formed on/in a porous surface, in a way which is long-lasting. Bleach is not a long-lasting solution, as it causes the mould to retreat further in the ...
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1answer
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Do mycorrhiza only form with angiosperm? [closed]

if not than with which Phylum it forms​
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What’s this fungus growing in supersaturated salt solution

As a hobby, I’ve been trying to “grow” crystals of from supersaturated solutions of aluminium potassium sulphate. I noticed that my solutions are also rather successful at growing a type of fungus. ...
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Could Physarum polycephalum consume regular toenail fungus?

I just watched this video on physarum polycephalum, aka the "blob" and noticed how it consumes white fungus. Could it do the same maybe with human toenail fungus?
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Can plants offset mushroom co2 production in a room?

In mushroom cultivation a major problem is monitoring and decreasing co2. Especially in small rooms, c02 levels can even reach unhealthy levels for humans. I am wondering if it would be possible to ...
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156 views

Are there fungi that are directly beneficial for humans?

It is well known that the human body benefits from a lot of different bacteria - and indeed wouldn't be able to survive without them. Are there fungi that are beneficial to humans, or even needed ...
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Fungi in my Solarium - how do I stop it?

Noticed fungi growing in my solarium in a few spots - probably a few spots where moisture is getting in. It is really tough, like rubber. Can cut some of it out with a utility knife, but even that ...
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Is a wet-mount needed to use Immersion Oil?

When I prepare my slide to use immersion oil, do I really need to wet-mount the specimen? Can I do it with just the coverslip? I am preparing fungus spores. Using water for the wet-mount gives you ...
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What are the white eggs growing from a black stem on the Napa cabbage plant?

Are they fungal or eggs? Can't find anything like this in the internet
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Help id mushroom found in West Midlands, Egland

I found this mushroom yesterday. It looks like an oyster but it grows in some poorly kept lawn. I am sure there was no tree there in the past. This spot was landscaped a couple of years ago after ...
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1answer
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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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Mushroom Identification: Small conical light-brown mushroom

I found a small single mushroom growing on grass and I decided to try to identify it. Characteristics: Region: Brazil southeast coast, state of São Paulo, predominantly Atlantic forest Gilled ...
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Mushroom Identification (USA)

I would like some help identifying this mushroom I found in my yard. Location: Southeast Georgia Near Pine trees after heavy rainfall Color: Light brown to Dark Red, biggest is about 4 inches in ...
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Resources to identify wild mushrooms and assess risk if eaten

I live in the countryside of Western Europe by the beach with a temperate climate with pine trees and eucalypti. I found two types of mushrooms in two separate spots in the woods and would really like ...
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1answer
133 views

What is this white fluff growing in my basement?

I live in the countryside of Western Europe by the beach with a temperate climate. After a period of unusual humidity at 84%, I noted this white fluff in the basement floor: The first picture is ...
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What organism is this?

This is something I found growing under my kitchen’s sink. It looks like a growing potato and it’s really hard (tried to pull it down using a hard cardboard but in vain). I think a knife may work but ...
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Is this a form of *LaetIporous sulfurous*? Tree is in north central Virginia

I found this while walking our dogs. Is this "chicken of the woods"?
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Identify a white mold growing on a class project

I'm a high school senior working on a project for AP Environmental Science. This particular project(an "ecocolumn") involves growing plants(radishes to be specific) in a sealed plastic container, ...
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Is it true to say that the genome of trees includes or at least “encapsulates” the genome of mushrooms?

As a botany amateur, I know that mushrooms (which are of course studied in field of mycology and not botany) are dependent in trees or shrubs (and maybe also bushes) and that there are generally ...
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179 views

Why does mold grow on silicone caulk?

I notice mold likes to grow on silicone caulk. I find it odd since silicone is mostly inorganic and doesn't contain any nutrients for mold to grow on unlike soil and clothing. Can mold metabolize ...
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Is there any way to distinguish a hypha of true fungi and hyphae of oomycetes?

Is there any method that can distinguish an Oomycetian hypha from a true fungal hypha? Such as a staining method or biochemical method or microscopic method?
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Book recommendation on experimental mycology

I am looking for any book that elaborates experimental methods to study multiple aspects of experimental study about fungi including culturing, induction of sporulation and other reproductive ...
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Effects of mushrooms on their hosts [closed]

I learned that mushrooms are normally classified as either decomposers or symbiotes. I would like to know the differences between the two types and whether they are detrimental or beneficial to their ...
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Determination of the density of fungi sclerotia in soil

The garlic I planted in my garden last year was infected by white rot (Sclerotium cepivorum). I'd like to inspect how much of the white rot sclerotia is present in the soil. I've googled and found ...
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Rubbery Orange and Fuzzy Mould From Bread

So I share a house, and my other housemates are currently away. One of them had some "plain" bread (a popular type in Scotland), complained a piece had mould on it, and so I had assumed they'd thrown ...
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Are there any kinds of mushrooms that grow on higher animals?

I just want to know if there are any known fungi that live in a parasitic or symbiotic relationship with animals, that also grow fruiting bodies on the outside of the organism. The only one I can ...
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1answer
96 views

Why do death cap mushrooms not warn of their poison?

This has been puzzling me for a long time now. There is an evolutionary predilection for living things which have evolved strong defensive measures (that may not themselves be visible) to give ...
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Would this mushroom make the basil dangerous to eat? [closed]

My sister is growing basil in a planter on her balcony. Recently this big mushroom started growing there. Obviously we're not going to take a bite of the mushroom, but would its existence make the ...
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Is there any double staining method to visualise separate colour for plant tissue and fungal tissue?

Is there any double staining method for developing separate colour on fungal tissue and plant tissue when the said 2 types of tissues are intermingled? Unlike my previous question, this question not ...
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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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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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Composition and quality of mushroom spores

Message to moderator(s): This question was deleted since it looks similar to a question in another SE. However, the question being asked in this SE is completely different. Would that be a strong ...
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1answer
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When something “smells moldy” what are we really smelling?

When things smell moldy -- it could be clean clothes left in a heap, a damp basement, old books stored in elevated humidity -- they can smell moldy. There are distinct smells for each of these. ...
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1answer
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Do the organisms within a lichen communicate with each other?

So you've got your fungus and your algae (or cyanobacteria) (and the multitude of other variations and additions to this two-species symbiosis that lichens present). Do the species that comprise the ...
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How to tell the difference between mould and condensed milk and sugar

I have had sweetened condensed milk in the refrigerator for some weeks (or months perhaps?). The can was covered with aluminium foil. I noticed some disk-like artefacts on its surface, which are ...
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Mushroom Identification: White mushroom growing on tree (South America)

Near the place I live in I noticed a little white mushroom growing on a tree trunk (a dead palm tree). I was curious to identify it, but from the little I learned so far white mushrooms are the worst ...
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What can eating pink mold do to a healthy person (someone whose immune system is not weakened)?

I've tried searching it up, but my research has yielded nothing very specific. The following website was the closest I came to finding something about pink mold on bread. It, however, said nothing ...
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How to prevent mold from building on food and how to kill it along with neurotoxins?

I have some food/fruits chopped in very small parts, whatever it is that needs to be conserved during long time, when it is given to me it can be somewhat wet or humid, after some time of keeping it ...

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