Questions tagged [mycology]

The scientific study of fungi.

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What is the body organization of yeasts?

In my textbook it is said that Fungi in general have multicellular or loose tissue body organisation But what about yeasts?Arent they unicellular? Do these cells interact with each other?
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Are oospores (of oomycetes) endogenous or exogenous? What are chlamydospores and in which class of fungi do they belong?

I do know Chlamydospores are asexual spores but in which class of fungi are they seen often and are they exogenous Or endogenous?
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101 views

What kind of parasite is this?

I found this strange disease on the leaves of a pear tree. I don't know the tree's species but I found it in South Turkey, 150 km from the Mediterranean. What causes this disease?
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372 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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bunsen vs meker for best sterile field [closed]

I need one bunsen and i have a friend that sells me a bunsen-meker burner. I see that bunsen-meker burners have more flame diameter, so should have more diameter of sterile field, but i dont know XD ...
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How to approach identifying Melampsora species?

I'd like to figure out which species of Melampsora that is growing on this European aspen. What would be the right approach? Would a microscope or other tool help? Is there even more than a single ...
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1answer
59 views

What kind of mushroom is this in central Europe?

I found some mushrooms in the forest and I'd like to know what kind it is, for being able to tell how to protect the trees from it. Growing Info growing location: central Europe, forest host plant: ...
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Puffball growing on a tree: What kind of mushroom is this?

What kind of mushroom/fungus is the one shown in the photos? Description: Looks similar in size (~4-5 cm as I remember) and shape to a puffball. It is not hard to the touch, unlike typical mushrooms ...
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2answers
86 views

Why does vacuum sealing of foods prevent spoilage from anaerobic bacteria?

I have noted that many purchased food items in containers only require refrigeration after they have been opened, thus eliminating the vacuum seal. Air contains bacteria and fungus spores that enter ...
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76 views

Can someone identify these fungi?

Found them in Gujarat, India. Found growing among potted plants
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1answer
74 views

Can anyone identify these mushrooms?

Found in the Dolomites, Italy in a wooden fence:
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13 views

Function of amatoxins

There are a couple of papers and "lots" of anectodal evidence which imply that mushroom hunting does not have any adverse effects on the fungi, neither short nor long term. One of the ...
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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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63 views

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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27 views

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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58 views

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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24 views

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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1answer
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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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51 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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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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160 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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100 views

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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72 views

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
75 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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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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1answer
158 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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4answers
151 views

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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237 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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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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59 views

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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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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113 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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