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Questions tagged [mycology]

The scientific study of fungi.

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7
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1answer
822 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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0answers
4 views

Seboorrheic Dermatitis, Fungi, Environmental Factors [migrated]

How can seborrheic dermatitis not be caused by poor hygiene as the assotiation for dermatology said? Wouldn't poor hygiene at least aggravate the condition? The treatment is mainly antifungal. And ...
13
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2answers
895 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 ...
2
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1answer
56 views

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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4answers
148 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 ...
3
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2answers
130 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 ...
0
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1answer
44 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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0answers
30 views

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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0answers
11 views

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.
1
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1answer
374 views

What concentration of hydrogen peroxide kills mold?

There are numerous articles online which claim that household 3% hydrogen peroxide can kill mold growing on household surfaces, yet I haven't managed to find scientific studies that show that. My ...
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0answers
12 views

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
15 views
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25 views

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. ...
-2
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1answer
36 views

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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14 views

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 ...
2
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2answers
150 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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0answers
28 views

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 ...
0
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2answers
60 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 ...
4
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1answer
64 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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0answers
26 views

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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0answers
33 views

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 ...
2
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1answer
335 views

Mold identification

I poured some agar plates and tried inoculating them with mushroom spores (I don't think they germinated bc of low humidity), but noticed what looks like mold with crystals on the surface of the agar. ...
4
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1answer
65 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. ...
4
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0answers
20 views

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 ...
11
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2answers
2k views

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.
2
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1answer
33 views

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 ...
2
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1answer
110 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 ...
-2
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1answer
45 views

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 ...
3
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3answers
6k views

Why should benzalkonium chloride (an antifungal agent) be used during your laundry machine's “rinse” cycle, not its “wash” cycle?

I'll first provide lots of background information. My actual question is at the very end. Background The spread of athlete's foot Athlete's foot is a fungal infection which is mildly contagious. ...
2
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0answers
28 views

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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0answers
30 views

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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0answers
7 views

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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0answers
14 views

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 ...
9
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4answers
53k views

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, ...
0
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1answer
57 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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0answers
45 views

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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0answers
50 views

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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0answers
36 views

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 ...
1
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1answer
61 views

Can mushrooms spontaneously die?

These are called mushrooms I believe, had been growing on my door for a few weeks. It's monsoon here. Last night I took a picture of it and it looked like this . Today when I woke up it became like ...
0
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1answer
71 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 ...
0
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0answers
19 views

What species of mildew/mold grows on clothes that have been left in the washing machine? Does it vary by region?

Colloquially we say that the sour smell of damp clothes (e.g. clothes that have been left in the washing machine for too long) is due to "mildew". But from what I can find (Wikipedia), "mildew" refers ...
5
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0answers
40 views

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 ...
1
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0answers
12 views

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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0answers
23 views

How can I stain only the Chitin but not Cellulose or Glucans?

Is there any stain, that binds specifically to chitin but not to cellulose? (for differential staining and double staining purpose) It seems the lactophenol-cotton blue, aniline blue, trypan blue etc ...
3
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1answer
55 views

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. ...
4
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2answers
280 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 ...
1
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1answer
51 views

how many spores are needed to “infect” a wall?

There's cardboard box in my room that used to be in another room that had mold all over the walls and it still smells moldy. This probably means the air in my room is polluted with mold spores.(right?)...
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0answers
39 views

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 ...
2
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2answers
219 views

Is identifying the genus of a fungus (mushroom specifically) enough?

Does the genus of a mushroom have enough information about it, without the species? Let's say I wanted to identify a mushroom (when picking) to see if I can safely pick and later eat it. Let's say I ...
3
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1answer
83 views

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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