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Questions tagged [mycology]

The scientific study of fungi.

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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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1answer
22 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 ...
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17 views

Resources to identify wild mushrooms and asses 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
73 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
28 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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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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3answers
90 views

Is it true to say that the genome of trees includes the genome of mushrooms?

As a botany amateur, I know that mushrooms (which are of course studied in the other field of mycology) are dependent in trees or shrubs (and maybe also bushes) and that there are symbiotic relations ...
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1answer
47 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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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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44 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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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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35 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 ...
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1answer
48 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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18 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 ...
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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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11 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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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 ...
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2answers
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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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2answers
268 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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30 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
49 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
75 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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33 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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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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34 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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28 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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17 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
230 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
122 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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57 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
62 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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69 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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31 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 ...
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1answer
71 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
46 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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How should should I run a yeast experiment where I measure population growth?

Soon I will conduct an experiment involving the population growth of yeast. Nonetheless, I am not sure how long should I let my experiment running for, nor do I know at which intervals should I ...
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0answers
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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
23 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
153 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 ...
4
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1answer
68 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
99 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
66 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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1answer
72 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
403 views

How can I measure the population growth of yeast?

So I will soon have to carry out an experiment. I thought about estimating the rate of growth of a populaiton of yeast, although I do not know if it is possible to at least estimate the number of ...
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1answer
70 views

What on Earth is this? [closed]

Found in a field near Braga, Portugal in October 2018.
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1answer
216 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 ...