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Showing posts with label Mushrooms. Show all posts
Showing posts with label Mushrooms. Show all posts

14/09/2016

The Mystical World Of Mushrooms Captured In Photos

The Mystical World Of Mushrooms Captured In Photos

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There are literally thousands of different species of mushrooms, some are edible and some are 100% poisonous. Being able to decipher the tasty from the deadly takes a whole lot of mushroom research! While mushrooms might be sold alongside the veggies in the produce isle, mushrooms are not a vegetable nor are they a fruit. Mushrooms are a fungus.
While fungus brings to mind undesirable thoughts, mushrooms are actually quite beautiful, and when carefully selected they can also make a healthy dietary option. Here are some of the most incredible mushroom photographs showing the vast diversity in this often ignored species of life.
Mycena Chlorophos
This type of mushroom really comes to life in the dark with its bioluminescent qualities. The first recorded descriptions of this glowing mushroom dates back to 1860. Since then mycena chlorophos have been found in Brazil, Australia, Polynesia, Java, Sri Lanka, Japan, subtropical Asia, and Taiwan.

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Rhodotus Palmatus
Rhodotus Palmatus
Also known as the wrinkled peach, this mushroom can be a variety of sizes, colors, and shapes due to variations caused by light received during development.
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Leratiomyces
This mushroom species includes a vast number of different looking mushrooms, most of which can be found in wood chip beds, sand-based soil, and dry grasslands.
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Hydnellum Peckii
Despite the fact this mushroom appears to leak strawberry jam, it is not edible. You can find this unique mushroom in Europe, North America, Iran, and most recently in Korea as of 2010.  Due to its appearance it has earned names like strawberries and cream, and the bleeding tooth fungus. It’s the young and moist mushrooms that secrete these unique pigments known for their anticoagulant properties.
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Cup Fungus
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Porcelain Fungus
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Clathrus Ruber
A part of the stinkhorn family, this type of mushroom is more appropriately referred to as the red cage. This species of mushroom starts off with a round egg-like appearance before sprouting its intricate detailing. Clathrus ruber was identified and illustrated way back in 1560 by Conrad Gesner, a Swiss naturalist.
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Cyathus Striatus
Also known as the flutter bird’s nest, this type of mushroom is popular in temperate regions.
Marasmius Haematocephalus
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Scizophyllum Commune
This species of mushroom is pretty enough to be used as wall decor in any fancy home or hotel.
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Amethyst Deceiver
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Coprinus Comatus
This mushroom looks like its wearing a wig, and can often be found growing right at the center of a beautiful green lawn, as well as gravel roads, and dumping grounds.
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Panus Fasciatus
This fungi truly looks like it is from another world…
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Snail Mushrooms
Snails often use mushrooms as their own personal stepping stones.
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Geastrum Minimum
These mushrooms look like flowers, but don’t let the petals fool you they are still a fungus.
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Lepiota
There are over 400 different types of lepiotas, some so dangerous to eat they are deadly.
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The crepidotus mushroom is small and ranges in colors from vivid shades of red to orange and yellow bursts of color.
Aseroe Rubra
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Morchella Esculenta
This mushroom literally appears to be lit up from the inside. As unique as this mushroom looks, it is from the Morchellaceae family, one of the most widely recognized, sought after, and edible mushrooms out there.
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Favolaschia Calocera
With bright orange coloring and vivid pores, these mushrooms are often known as orange pore fungus. This is a very invasive species, once it takes hold of an area it is known to wipe out native fungi. It is currently causing some concern due to rapid growth rates in the paleotropics.
Puffball Mushroom
These brown-bodied mushrooms get their name because when they fully mature they release their spores in a dust-like cloud that resembles a mini explosion. Puffballs are mainly used in Tibet to make a dark colored ink.
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Phallus Indusiatus
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Puffball Mushrooms
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Article Resources:http://www.earthporm.com/

09/09/2016

In California, Poisonous Death Cap Mushrooms Are The Forager's Bane

In California, Poisonous Death Cap Mushrooms Are The Forager's Bane


Mature death caps in West Marin's Point Reyes National Seashore in December.
And she felt fine. Until the next afternoon.
"I slept for three days," says Davis, of her illness in December 2014. "I was kind of in and out of it, just drinking water and not being able to really hold anything down."
When she dragged herself to a mirror, she realized she had turned yellow.
Davis isn't the first or only forager who has fallen victim to the death cap.
Between 2010 and 2015, five people died in California and 57 became sick after eating these unassuming greenish mushrooms, according to the California Poison Control System. One mushroom cap is enough to kill a human being, and they're also poisonous to dogs.
"Dogs die in droves," says Debbie Viess of the Bay Area Mycological Society.
The trouble is, people feel fine for six to 12 hours after they've eaten death caps, says Dr. Kent Olson, the co-medical director of the San Francisco Division of the California Poison Control System. But during that time, a toxin in the mushroom is quietly injuring their liver cells. Patients then develop severe abdominal pain, diarrhea and vomiting.
"They can become very rapidly dehydrated from the fluid losses," says Olson. Dehydration can cause kidney failure, which compounds the damage to the liver.
When Davis went to the hospital, doctors put her on intravenous fluids. They also pumped her stomach full of activated charcoal to help absorb the poison out of her body, although some doctors question the usefulness of this treatment when many hours have elapsed since the poisoning occurred.
For the most severe cases, the only way to save the patient is a liver transplant, says Olson. (Davis didn't end up needing one and went home before Christmas.)
Researchers are looking for better treatments. One group of scientists is testing the drug silibinin, which can protect a patient's liver and make a transplant unnecessary.
Death cap mushrooms have gills from which they launch spores in order to reproduce.
Josh Cassidy/KQED
And other scientists are trying to learn more about death caps — hoping to find a weakness they can exploit to defeat them.
The death caps arrived in California from Europe as early as the 1930s and '40s, says Anne Pringle, a biologist at the University of Wisconsin, Madison. She discovered this timeline through genetic testing of death cap samples collected in California during this era. She says death caps likely sneaked into California from Europe attached to the roots of imported plants — and they got really comfortable, spreading all over the state.
Through genetic testing, Pringle is trying to better understand how death caps propagate, and how long they live. In mushroom-producing fungi like the death cap, much of their body lies under the earth's surface. (The mushrooms are just there to help the fungus spread spores and reproduce.) Pringle wants to know how long the underground bits last — would simply plucking the mushrooms to prevent them from spreading their spores through the air be enough to kill off individual death cap fungi? Or is the death cap more resilient — does each individual develop a vast underground network that would be near-impossible to eradicate?
For now, it's looking like the death caps are here to stay.
With this year's mushroom foraging season well underway, health workers and experts are warning aficionados to be careful. Death caps, which are abundant in California, can easily be confused for other edible mushrooms, growing mainly under coast live oaks. Death caps have also been found under pines, and in Yosemite Valley under black oaks.
And it's not just amateurs who mistake death caps for edible mushrooms like coccoraor paddy straws. "I've seen expert mycologists arguing good-naturedly about whether a mushroom they were looking at was the deadly one," says Dr. Kent Olson, co-medical director of the San Francisco Division of the California Poison Control System. "At certain stages of development, the mushrooms can be confused."
In hindsight, Davis thinks she confused young death cap mushrooms — which have a rounded yellowish-green cap — for hedgehog mushrooms, which are yellow and rounded.
Death caps under a tree at the University of California Botanical Garden, in Berkeley, California. Death caps are popping up in California year-round in irrigated areas like gardens.
Josh Cassidy/KQED
Hedgehog and death cap mushrooms are fairly different-looking. While hedgehogs don't have any gills — ribs under the mushroom cap — death caps do have gills.
"It is easy for folks to make ID mistakes," says Viess, "which is why I encourage strong caution for beginners."
Mature death cap mushrooms are big, smooth and an olive green color. And if you pull one out of the ground, you'll see it has a little cup that holds it up.
"Assume nothing, and learn for several seasons before you eat any wild mushrooms," warns Viess from the Bay Area Mycological Society. "Use good, regional books, find a mentor, and have your initial IDs checked by more knowledgeable and trusted identifiers."
As for Davis, after temporarily losing her taste for mushrooms, she is now looking forward to foraging again. But she says she'll be much more cautious.
"I don't need to collect all that I see," she says. "I'm good with just, you know, a handful."
A longer version of this post originally appeared on the website of KQED's science series Deep Look. For more information on the death cap, you can visit the websites of the Bay Area Mycological Society and the North American Mycological 
Article Resources:http://www.npr.org/

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