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26 votes

What is a fungus formally?

Formal definitions aren't really a thing in Biology or anywhere outside of mathematics. For cladistics, the closest you will get is that species are arranged based on common ancestry. Fungi are a ...
Bryan Krause's user avatar
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13 votes
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Are there any documented cases of extinction of a species of fungus?

According to the International Union for Conservation of Nature’s Red List there are many endangered fungi, but none that are documented to have become extinct within the time frame of interest to you....
tyersome's user avatar
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13 votes
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circular pattern of mold on quince

Looks like you may have Monilinia fructigena, brown rot, or at something similar (possibly also called brown rot, but from a different species). This pattern isn't special to quince, but to this ...
Bryan Krause's user avatar
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12 votes

Fungivore that feeds specifically on spores

This paper: Smelansky, I.E., 2006. Some population characteristics of oribatid mites in steppe habitats. Acarina, 14(1), pp.123-130. includes analysis of the gut content of some mites, recognizing ...
mgkrebbs's user avatar
  • 9,054
11 votes

What is this red mushroom with the "inverted" cap?

Looks like Sarcoscypha Austriaca (scarlet elfcup). It's actually used in many textbooks as a representative species for the Ascomycetes. Details from Wikipedia and Messiah.edu both confirm that this ...
theforestecologist's user avatar
10 votes

Are there any documented cases of extinction of a species of fungus?

Yes. One example is of a fungus named Prototaxites. It was originally thought to be a tree, but it was a massive, tree-like fungus.
SmugDoodleBug's user avatar
10 votes
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Is it true to say that the genome of trees includes or at least "encapsulates" the genome of mushrooms?

No. Evidence: If you go to the TreeGenes site and examine those tree genomes that have been sequenced you won’t find any fungal chromosome sequences. (And vice versa.) Reason: Although trees and ...
David's user avatar
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9 votes
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What is this fungus that is growing on my plant, and is it dangerous?

My answer won't apply if your plant isn't a cycad (a species from the genus Cycas) as only cycads are affected. Cycad aren't native to the Dominican Republic but have been planted as ornamentals in ...
Jude's user avatar
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9 votes

Do Traits Have to be Adaptive in Order to Survive?

Good question. And good analysis. I have little to add! I'll simply provide my own list of thoughts to complement your ideas, which are not mutually exclusive. The fact that it wasn't discarded ...
S Pr's user avatar
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7 votes
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What is this white stuff inside apples?

I am pretty sure that it is a moldy core rot which would be caused by a fungus that infects the apple during the flowering stage. The fungi is also referred to as "apple fuzz". From SF Gate ...
Ebbinghaus's user avatar
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7 votes
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What is happening to this tree?

The tree is dying. From what you say, it has no leaves wduring a time it should, it has saprophitic growth along the trunk; it looks like there's a crack in the bark on the right, and there are ...
anongoodnurse's user avatar
7 votes
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Is identifying the genus of a fungus (mushroom specifically) enough?

Again, I would say: no, genus is not enough. Another example: boletes (specifically, genus Boletus). According to Wilderness College: One of the most common and well-known groups of edible wild ...
theforestecologist's user avatar
7 votes
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What is this white fluff growing in my basement?

Might as well make this an answer. ...it seems to collapse when I rub my foot on it. As @tyersome stated, it appears to be salt, not mold. Salt crystals would definitely collapse easily underfoot, ...
anongoodnurse's user avatar
7 votes
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In lichen, do the fungi consume the oxygen produced by algae?

Exchange of gases between lichen symbionts has been demonstrated for Flavoparmelia caperata. Note that this is a foliose lichen species, though the findings may be generalizable to marine lichen. We ...
acvill's user avatar
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6 votes

What happens to the mold spores we inhale?

Mold spores are capable of landing and becoming dormant. Unless conditions are severe enough, mold spores will not just simply die off; they will essentially wait for conditions to improve and once ...
TheDemsk's user avatar
6 votes

Where do mushrooms get their energy from?

Mushrooms are the fruiting bodies of fungi. Fungi get their energy by decomposing dead or decaying organic material, such as fallen leaves or dung. Some background: spores of fungi germinate forming ...
Daan's user avatar
  • 371
6 votes

What is so difficult about mushroom cultivation?

What makes some mushrooms easy to cultivate is that they grow profusely, they aren't tree symbionts, where as sponge gilled culinary musrhooms are symbionts. Cheap mushrooms can easily be controlled ...
bandybabboon's user avatar
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6 votes
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ID of a purple fungus in Virginia

This is not a moss, but a fungus of the family Clavariaceae. Most likely this is Clavaria zollingeri, commonly known as violet coral, but there are a few resembling species. Microscopy might be needed ...
RHA's user avatar
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6 votes

Is it true to say that the genome of trees includes or at least "encapsulates" the genome of mushrooms?

A symbiotic relationship is entirely unrelated to the genetic origins of the participating organisms. Symbiosis only requires that the organisms interact in a manner that benefits both parties. There ...
Nuclear Hoagie's user avatar
6 votes

What organism is this?

That looks to me to be non-biological but rather the result of using an expanding foam filler product to fill in gaps, as might occur in the wallboard where a sink is mounted. Here's an example of ...
mgkrebbs's user avatar
  • 9,054
6 votes
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What are the white eggs growing from a black stem on the Napa cabbage plant?

I'm no expert in slime molds, but your specimens do in fact look a lot like the sporangia, or spore-producing reproductive structures (i.e., fruiting bodies), of a Mycetozoan slime mold in the class ...
theforestecologist's user avatar
5 votes
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Why should benzalkonium chloride (an antifungal agent) be used during your laundry machine's "rinse" cycle, not its "wash" cycle?

The label of the veterinary product Fung-A-Way, which is Benzalkonium Chloride 0.15%, states that "Efficiency is neutralized by soap or detergent residues." The website http://www.mpbio.com has the ...
BlakeDavis's user avatar
5 votes
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What type of mushroom/fungus is this?

These are shelf (or bracket) fungi. They love dead or diseased wood, and are as common in woods as dirt. Yours are kind of in rough shape (it looks like they're experiencing some problems of their ...
anongoodnurse's user avatar
5 votes
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What kind of lichen is it?

I'm pretty sure that it is a cup lichen from the genus Cladonia. A probable species is Cladonia pyxidata, which is relatively common across Europe. My lichen knowlegde is rusty though, and Cladonia is ...
fileunderwater's user avatar
5 votes

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

It seems like the simple version of your question is: can anyone come up with even one example of 2 fungi species in the same genus in which one is edible and the other is not? Here's one example: ...
theforestecologist's user avatar
5 votes

Is this a form of *LaetIporous sulfurous*? Tree is in north central Virginia

This is indeed Chicken-of-the-Woods - and a nice specimen! However, there are multiple species that closely resemble each other, all called "Chicken-of-the-Woods." Based on your location and ...
Eonema's user avatar
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4 votes
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What is the name of this about 5cm high, grey, Beanie shaped fungus?

I think this is Coprinellus disseminatus, also known as "Fairy Inkcap". Size (they are pretty small) and also the color fits pretty well. See the image from the Wikipedia: Some more information can ...
Chris's user avatar
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