False Morel Mushrooms – Everything You Need to Know

Video difference between false morel and morel

You’ve likely heard of a morel mushroom, but what’s the deal with the “fake” one? And, why does it matter? If you’re new to morel foraging, you’ll want to fully understand all the look-alikes. And, sadly, there isn’t just one. There’s actually several morel look-alikes that are called false morels.

Jump to:

  • What Is A False Morel?
  • False Morel Mushroom Facts
  • How to Identify the False Morel Mushroom
  • A False Morel Quiz:
  • Be Safe
  • Who’s Eating These Mushrooms….and Why?

What Is A False Morel?

The term “false morel” encompasses a number of different species including Gyromitra esculenta (the beefsteak mushroom), Gyromitra caroliniana, and others in the Verpa and Helvella genera. They are often mistaken for the edible delicacies in the Morchella genus (true morels).

29 morel mushrooms False Morel Mushrooms – Everything You Need to Know
23 morel mushrooms False Morel Mushrooms – Everything You Need to Know
False morel on top, true morel on bottom — pay close attention to their differences

The false morels include some poisonous mushrooms that contain the chemical monomethyl hydrazine (MMH). MMH causes vomiting, dizziness, diarrhea, and sometimes death. Furthermore, MMH is suspected to be carcinogenic. (Read more and, here)

“But wait,” you ask, “haven’t I heard of people eating these mushrooms with no ill effect?”

You probably have. Many people have eaten them and even hunt for them specifically. It may surprise you that Gyromitra esculenta is considered a delicacy in parts of the United States and in parts of Scandinavia. You can buy them in Finland, where they come with preparation instructions.

grouping on gyromita false morels on ground
Some species of false morels are considered edible, but you don’t want to make a mistake with these

So what’s the problem? One danger is the varying levels of MMH in different gyromitra mushrooms. Some species contain very little, others contain enough to kill. MMH levels also vary among geographic regions within a single species. Nobody knows how toxic any false morel will be in any location.

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Let’s learn more about the fake morel. We’ll start with some facts, move on to identification, and finally take a look at who eats these mushrooms. For a more complete list of straight morel mushroom hunting tips click here.

False morel gyromitra on ground
False morels are super fun to find, even though they aren’t edible. How cool-looking is this fungus??

False Morel Mushroom Facts

  • Most gyromitra appear in the spring and summer and grow directly on the ground. Although some are found on wood or later in the year, they are unlikely to be mistaken for true morels.
  • Caps are usually brown or reddish-brown and occasionally yellow. Most stems are a light color, ranging from white to tan.
  • These mushrooms are considered saprotrophs, meaning they feed on dead and decaying organic matter. Some have suggested that they may be mycorrhizal as well (forming a symbiotic relationship with trees).
  • Like true morels, false ones are often found in areas where the forest floor has been disrupted. You’re more likely to see them near washes, rivulets, man-made disturbances in the ground, and roadsides.
  • Some species that are considered false are Gyromitra esculenta, Gyromitra caroliniana (above), Gyromitra infula, Verpa bohemica, and Verpa conica.
  • There are many common names associated with the more commonly foraged false morels, including beefsteaks and calf’s brain. Beefsteak is also the common name for another edible mushroom, which is VERY confusing. Common names are tricky,; be sure you are firm on your identifications and understanding!

How to Identify the False Morel Mushroom

So how do you tell a true morel from a false one? Observe the following:

  • Make note of the cap shape. The false caps that are “wavy” or “lobed”. They appear to be bulging outwards. True morels have a more uniformly shaped cap with pits or ridges. The true morel cap looks like honeycomb with pits angled inwards rather than bulging.
  • The cap of the false mushroom hangs freely from the stem. A true morel has a cap that will be attached to the stem. This is not always the case but more often than not it is.
  • If you slice an edible morel open from top to bottom it will be hollow inside. A non-edible one will usually be filled with wispy cotton-like fibers or chunks of tissue. (Fabulous example of this on the right).
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Go here for a more in-depth article, including a handy chart, on how to tell a true morel mushroom from a false morel.

inside of gyromita false morel
The inside of a false morel has multiple chambers and looks like it was stuffed with cotton.
cut open true morels
Inside a true morel — the difference is very clear when you cut them open.

Always consult a local expert if you’re inexperienced or uncertain. Never eat a mushroom-based solely on mushroom pictures that you’ve seen on the Internet! This goes for ALL mushrooms, not just morels or false morels.

If you feel sick or dizzy after eating what you thought was an edible morel, seek help immediately!

false morel growing on tree
A true morel will never grow on a tree like this Gyromitra

Who’s Eating These Mushrooms….and Why?

The picture at the right shows false morels for sale at a market in Helsinki, Finland. People in other parts of Europe and parts of the United States eat them as well. They often come with warnings and preparation instructions.

While some false morels are prepared simply, others must be boiled 2-3 times to remove toxins before they are safe to eat. Through boiling, the toxins are reduced and the mushrooms become edible. This practice of double (or triple) boiling has been used for centuries to make the mushroom safe to eat.

However, studies show that MMH is a cumulative toxin. This means that its levels will build up in your body after repeated consumption. This could lead to illness or even death. Please, keep that in mind before eating. It may be that there isn’t much of a danger since rarely is a person eating enough of these mushrooms to cause extreme danger, but it’s possible. More studies need to be done with humans first.

Gyromitra false morel on ground
Why risk eating false morels?

Plenty of people eat these for years with no problems. But do you want to risk it? Personally, since no one knows exactly how toxic any given mushroom will be, we think it’s best to just avoid them altogether.

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Many gyromitra enthusiasts will disagree, and that’s fine. We always err on the side of caution. The choice is yours, ultimately, so do your research well before eating. There’s a great active community on Facebook called False Morels Demystified which explores eating and safe preparations. They are a wealth of information for the curious.

Verpa mushrooms
Verpas a tricky to tell apart from true morels!
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Ethan Smith is a seasoned marine veteran, professional blogger, witty and edgy writer, and an avid hunter. He spent a great deal of his childhood years around the Apache-Sitgreaves National Forest in Arizona. Watching active hunters practise their craft initiated him into the world of hunting and rubrics of outdoor life. He also honed his writing skills by sharing his outdoor experiences with fellow schoolmates through their high school’s magazine. Further along the way, the US Marine Corps got wind of his excellent combination of skills and sought to put them into good use by employing him as a combat correspondent. He now shares his income from this prestigious job with his wife and one kid. Read more >>