Questions tagged [mycology]

The scientific study of fungi.

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29 views

What is this mushroom in Illinois?

I live in the Northwest suburbs of Illinois and we moved into this house last year. I noticed these mushrooms popping up in one corner of my yard and I’ve never seen this type before. They don’t seem ...
2 votes
1 answer
120 views

Where in the biological realm is vitamin B5 chiefly produced?

Can yeast produce pantothenic acid (vitamin B5)? Do bacteria efficiently produce it? Or does it only come from plants? The Wikipedia page for pantothenic acid doesn’t seem to answer the question (...
0 votes
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Have some lower order organisms evolved to grow below the freezing point of water?

I just learned that water sublimates, which prompts me to ask: Can lower order organisms (e.g. bacteria / fungi) grow below the freezing point of water?
4 votes
1 answer
51 views

help with mushrooms identification

I know that mushrooms identification is a difficult process. but I would like to ask for help in the identification of this one. It growth over the grass in a backyard on Toronto, Canada.
9 votes
1 answer
429 views

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 ...
4 votes
1 answer
53 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"?
5 votes
1 answer
104 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: ...
4 votes
1 answer
66 views

Is this a Enoki aka. velvet shank aka. Flammulina velutipes?

In December in southern Germany I found the following mushroom on a some remains of a tree. From what I read, saw and felt (sticky cap when wet), I am very sure it is a velvet shank, especially ...
0 votes
1 answer
32 views

Beneficial effects of the fungi of a termite mound on the diseases suffered by the termites

My motivation to join this Biology Stack Exchange is the article by David Pride that I've read from the Spanish edition of Scientific American, that's Investigación y Ciencia. The article is [1], and ...
5 votes
1 answer
124 views

Is this bear excreta on trees?

We were hiking lately in Canadian Rockies (the Kananaskis country) and kept encountering branches of conifers near ground covered in brown substance similar to mud or excreta. It didn't have any ...
3 votes
0 answers
45 views

Bolete (?) mushroom identification

I'm attempting to identify a gorgeous set of mushrooms. I'm not anything resembling a mycologist, and I have no intention on consuming these... But for my own curiosity, I'm trying to identify these ...
5 votes
0 answers
251 views

Species ID of this giant brain-shaped mushroom? How do its spores escape, there's no "puff" for this puffball!

After several days of rain then a few warm sunny days in northern Taiwan in August, I came across this giant mushroom growing in an open field that's only occasionally mowed. This mushroom about 18 cm ...
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Does refrigerating (but not freezing) bread inhibit mycelium growth?

During COVID, supermarkets struggled to keep things in stock. Bread seemed to be hard to come by for a time. As a result, when I came across the brand I liked, I grabbed a couple extra loaves. I didn'...
2 votes
0 answers
426 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 ...
6 votes
2 answers
215 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. ...
1 vote
0 answers
14 views

Identification of Mold / Fungus

I am working with some old plaster powder, and a few days after it set (mixed with water), I found that pink mold / fungus appears to be growing on it. See attached photo. Please help me identify what ...
4 votes
0 answers
33 views

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 ...
1 vote
1 answer
66 views

Sabouraud dextrose agar breaking?

I recently started growing some Geotrichum Candidum (GC) on Sabouraud dextrose agar (SDA) beds. The SDA was poured into sterilized petri dishes. After setting the plates in a cooler (20 C) for a day, ...
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0 answers
31 views

Is the white rot fungi Phanerochaete chrysosporium edible?

I have had problem finding information on whether the fungus produces poison or not for a school project. Any help is much appreciated
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0 answers
36 views

What kind of fungus is this?

What kind of fungus is this? Picture taken in a forest in Haliburton, Ontario on April 30th, 2020.
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40 views

Identification of fungi possibly a Pythium sp. or similar morphology

I am investigating a fungi. Grown on Potato Agar it resembles a Pythium type species similar to P. insidiosum with even filamentous white colony growth. However the hyphae are producing fragmented ...
3 votes
1 answer
102 views

What is this mushroom attached to the terrarium with transparent cap and black strips?

I have a terrarium with something black attached to the glass with a whitish green stem. Can someone please help identifying this? The terrarium is outside in the backyard and receives only direct ...
5 votes
1 answer
210 views

What is this dark brown organism growing on a door frame?

A few brown spots appeared on a door frame and within 1 week it has grown to this size (~15cm). I have no idea what it is. How do I remove it completely? I worry that if I just wipe it off, it will ...
14 votes
2 answers
1k 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 ...
0 votes
1 answer
81 views

What is the effect of anti-fungal soap?

As I understand, most popular anti fungal soap/shampoo has Ketoconazole as an active ingredient. Ketoconazole stops the growth of fungi, but as it does not kill it, but halts division, how can soap/...
2 votes
0 answers
60 views

What are marine fungi like?

Particularly, what is their mycelium like and where exactly do they grow it? I imagine that their spores travel though water same as terrestrial fungi travel through air until they stumble upon solid ...
4 votes
1 answer
106 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
1 vote
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What organism is this? Repetitive, long thread, double spikes, ... (from a human sputum sample) [closed]

Link to video Collected in Portugal.
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Can antibiotic resistance cause problems for the microorganisms producing them? [duplicate]

My understanding is that antibiotics are naturally produced by microorganisms as a defensive measure against certain kinds of bacteria. For example, some Penicillium molds produce penicillin. Clearly, ...
3 votes
1 answer
199 views

Mushroom Identification: Brown gilled mushroom in Ohio lawn near rotting stump roots

Even though I ID a lot on this site, I'm rather unqualified to ID mushrooms (even with the help of sites like urbanmushrooms.com). Can anyone help me ID this mushroom species? Attributes: ...
2 votes
2 answers
874 views

How to measure surface area of plated bacteria?

For my project, I'm growing Baker's yeast and probiotics in two liquid cultures before mixing them together and plating them. I'm trying to measure the impact of the probiotics on the yeast. How ...
9 votes
1 answer
454 views

How to reduce the quantity of (carcinogenic) mycotoxins in oatmeal?

Like all cereals, oat is commonly (nearly systematically) contaminated by several types of mycotoxin (produced by molds) known to cause cancer{1}. Oat is one of the most infected cereals{2}. Unless ...
2 votes
0 answers
31 views

Is there species of mushrooms that grow in the wild in Mediterranean environment?

I'm looking for species of mushrooms which can grow wild (or with minimal human intervention) in Mediterranean environment (which is characterized by dry summers and mild, wet winters.), specifically ...
1 vote
0 answers
35 views

Doubts about what is growing in my bacteriological cultivation

Foreword: I don't belong to the field at all, I am a high school student with a passion for science so I apologise in advance if I formulate the question incorrectly or make some mistakes. Out of ...
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14 views

Asexual reproduction by secondary mycelium in basidiomycetes

I'm studying in class 11 and the the following line was mentioned in my textbook: "Dikaryophase or secondary mycelium may multiply by different types of spores - chlamydospores aecidiospores, ...
6 votes
1 answer
75 views

In lichen, do the fungi consume the oxygen produced by algae?

Is the oxygen produced by algae in photosynthesis consumed by the fungi, specifically in marine lichens where oxygen is less abundant? I am wondering this because of a speculative evolution project.
1 vote
1 answer
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Safety in Liposomal Amphotericin B

From reading about Amphotericin B antifungal, I understand it is quite a toxic medicine for kidney, but I am not able to find any details as to how Liposomal version of same medication is so safe, in ...
-2 votes
2 answers
75 views

What is the interchange of nutrients between plants called?

I've heard about how fungi is the nutrient super highway of the plant web. What is this interchange between plants and the fungi called?
1 vote
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54 views

What is the effect of an acidic solution on hydrolytic enzymes?

I'm working on a school research project and my research question is "What is the effect of increasing concentrations of Acid X on hydrolytic enzymes, measured through the loss of mass of leaf ...
8 votes
1 answer
2k views

What kind of mushroom is this?

I picked it this evening beneath an oak, in France, Nantes : I tried an image search with Google, and it seems I picked a finger of a dead hand :) What is its name, and is it edible?
2 votes
0 answers
65 views

What is causing these lichen patterns on a tree in Scotland?

I recently saw these lichens growing on a tree in Scotland. What is causing the pattern of dark lines? Are these the boundaries between individual lichens? Or could it be something to do with the ...
1 vote
0 answers
18 views

What can we expect when we culture a mould in a liquid?

I am currently running a short project in my school, where I am trying to look into the biodegradation of dyes from textile effluents using Fursarium sp. Most of the articles that I have read uses a ...
2 votes
0 answers
13 views

The wood wide web strengthening/expanding the heartwood of damaged pines

My grandfather told me about a practice: girdling/ring-barking (not sure which was employed) of pine trees in order to make the wood stronger. Now, he didn't give too many details, so I had to do some ...
5 votes
1 answer
184 views

What are the blue and white things on this Sunburst lichen?

I am a amateur photographer I found some interesting things when I got home and looked at my photos. There are some blue/white cocoon. I like structures on top of the sunburst lichen. I live in ...
1 vote
1 answer
49 views

What disease / parasite / fungi has affected the mango in the picture?

The mango is found to have some kind of fungi / worm on it's surface . This has affected a huge number of mangoes in the same tree . It can be described as white and fibrous / weblike structure near ...
1 vote
1 answer
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Growing Penicillium Digitatum Mold

I left a cup of tea with Lemmon on my desk and after a while green mold start growing on the water. From my understating this is Penicillium digitatum. I gave it some sugar and after one day black ...
-2 votes
1 answer
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Can the fungal form of Malassezia morph into the fungal form of Candidia when feeling threatened? Resistance Mechanisms

Malassezia feeds on oils in the carbon chain 11-24 and Candida feeds on sugars. I recall learning that when these types of fungus feel they are under attack, they can morph. Does this mean they can ...
1 vote
1 answer
472 views

A word that includes plants and fungi, but not animals [closed]

Hello biologists and biology enthusiasts! I am working on a project which includes information about plants and fungi. It would be very helpful for me if there a word that means plants-and-fungi, but ...
1 vote
1 answer
45 views

Does the fact cordyceps mostly affect insects have something to do with chitin being polysaccharide?

This is just a conjecture of mine based on those observations: Fungus seems to be very good at attacking tough chains of sugars like cellulose and starch. insects are covered by Chitin, a ...
2 votes
0 answers
162 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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