Questions tagged [mycology]

The scientific study of fungi.

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1answer
317 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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1answer
50 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 ...
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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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2answers
358 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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25 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 ...
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1answer
64 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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247 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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1answer
154 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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48 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 ...
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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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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.
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2answers
318 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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108 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 ...
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1answer
58 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. ...
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1answer
140 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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429 views

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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135 views

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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40 views

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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32 views

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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21 views

Ink blue molds/fungi/dermatophytes

Which of the above has naturally ink blue hyphae? Are there any that make both Ochratoxin A and fumononis toxin and have hyphae that color?
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1answer
1k 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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1answer
129 views

What kind of lichen is it (no. 2)?

I think i found very interesting lichen. I discoved it at 1.15 PM CET in Prague nature conservation area called Divoka Sarka. I took this picture on the place of my discovery. One piece of this ...
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126 views

Where does mycelium growing in wood get oxygen?

As per title, where does mycelium, growing in wood, get its oxygen? I mean when the mycelium is spreading into wood, say an old log, beneath the surface. As an example, say I put mushroom dowels into ...
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1answer
72 views

Is there a way to chemically detect the presence of Fungus in a sample? [closed]

I would like to know if there is a way to chemically or somehow detect the presence of Fungus in a sample?
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410 views

What is this fungus growing on tree stumps?

Location: Austria, Vienna, Ottakring Forest Time: 2019, Feb 2, 16:02 local time Size: From below; lamellar structure: Some more angles: I found many tree stumps nearby covered by moss, but only ...
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37 views

What species of mushroom is this?

Growing up in Oregon I don't remember ever seeing these. There are different mushrooms growing all over my backyard right now, but these look way different than all the others and there was only a ...
4
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1answer
144 views

What species is this orange mushroom in Romania?

So I've found these mushrooms near a ditch on a field a few days ago in Romania. Can anyone help me with identifying what species of mushroom is this? The size of a mushroom is about 3-6 cm in ...
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1answer
48 views

The reproduction patterns of fungi: what’s the difference between them?

I am going to take TOEFL, and am getting perplexed by the difference between cell division and budding and fragmentation of fungi. Those three terms seem like all the same all to me, so could anyone ...
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Identify function of cluster with high identity of genes

Let's say there is a secondary metabolites biosynthesis cluster in fungi A. and I just found out a gene B(identitiy>=50% with nrps gene located in the cluster) from fungi B and also found that gene B ...
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1answer
30 views

What does "genus VI" mean in mycology?

This Guidebook is called "How to identify mushrooms to genus VI". Some other editions/versions of it say "Genus III" or "Genus I". What does this mean?
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2answers
286 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 ...
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1answer
335 views

Mushroom Identificaton(USA)

I need help identifying a perculiar species of mushroom found in my yard today. Color is orange-yellow, around 3-4 inches total radius, its a cluster of tiny to medium mushrooms. They were found near ...
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1answer
137 views

Do green algae form obligate symbioses with fungi?

I understand that obligate symbioses means that the two organisms cannot live without each other and are in a symbiotic relationship, but do green algae from this with fungi?
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Are fruiting bodies, basidiocarps, heterokaryotic?

In that, if we have a mycelium with genetically compatible hyphae, will the fruiting body created by this mycelium be heterokaryotic, or will it just contain one dikaryotic organism's genetic material?...
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1answer
91 views

Identifying a mushroom. (Pyrenees near Gavarnie, France)

Can anyone help me identify this mushroom? (a still frame from video taken in the Pyrenees near Gavarnie in France). Also is it edible or poisonous?
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123 views

Why are fungi and algae microbes?

Both fungi and algae have very small cells but so do most animals. Yet both of them are visible to naked eye just like other organisms. Why do we call them as microorganisms then ?
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1answer
2k views

How can I measure the population growth of yeast?

I will soon have to carry out an experiment. I want to estimate the rate of growth of a population of yeast, although I don't know if it is possible to at least estimate the number of yeast bacteria ...
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1answer
73 views

What on Earth is this? [closed]

Found in a field near Braga, Portugal in October 2018.
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1answer
287 views

What is the number density of fungal spores per unit of volume of air?

Fungal spores are present all over in the air around us. I understand that they generally range in size from about one to one-hundred microns. What is the number density of fungal spores in air on a ...
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1answer
39 views

Boletus or Xerocomellus?

I have been trying to identify a mushroom I collected in the nearby forest, and while I think I have it identified, it seems to have a couple of names and I am confused about which grouping is correct....
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1answer
142 views

How much of a DNA difference is between Chicken of the Woods, and Hen of the Woods? [closed]

I've noticed that when a COW is touching the ground it turns a gray color, but when on a log/tree it's bright orange. Is there a correlation between the DNA, and where it grows?
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383 views

What kind of mushroom is this, and is it edible?

I found these growing on the side of some trees (mostly birch) in my local forest in Gothenburg, Sweden, and was wondering if you could help me with identifying them. I think they smell of aniseed ...
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144 views

Do all Fungi have similar cells?

I know that most fungi are not differentiated into tissues. And tissues are groups of specialised cells aiming to perform a collective function. Does it, then, follow that most fungi do not have ...
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68 views

Fungi growing in pH 1 FeCl₃ solution

I have a FeCl3 tank that I use to dip spruce wood in. After 2–3 weeks a fungus appears in the tank and it keeps growing with time. The fungus has a white colour and is spread throughout the ...
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This looks like a mushroom is it eatable?

This looks like mushroom it's white and there are insects feeding on it....it seems to be growing on a cascabela thevetia
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1answer
84 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 ...
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1answer
104 views

ID of a purple fungus in Virginia

Could someone tell me a bit more about this fungus found growing in a nearly straight line in the lawn in a wooded area of Virginia, USA? It seems rather fragile, maybe a bit "dry"
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53 views

Mushroom Identification

I live in central Ohio and found these mushrooms growing on our 10 acre property. What is it and are they edible?
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1answer
116 views

What is these mushrooms in my indoor pot?

I am living in Japan and in summer, it's very hot and humid even inside my room. Today, I've found two mushrooms in the pot of a plant. What is this species? It's very surprising than within one day ...