Top 20 Most Common Toxic or Poisonous Mushrooms in Greensboro

1. Jack-o'lantern mushroom

The jack-o'lantern mushroom is so-called because of its bright orange color, and because it often appears in the fall (usually before Halloween, though). This vibrant little mushroom can be found growing on decaying hardwood stumps and logs. The species does have some superficial resemblances to the highly edible chanterelle (Cantharellus cibarius), but it is toxic and should be avoided!

2. False parasol

Though the false parasol appears unassuming, the species is famous—or, infamous—for its toxicity. It looks unfortunately similar to Agericus campestrus, a commonly eaten mushroom, but the false parasol can be distinguished by its highly unusual green spore print. Although they are no good to eat, they can be pretty to look at. The species may grow in ring-shaped groups in meadows and on forest floors in what are sometimes called "fairy circles."

3. Rufous rubber cup

The rufous rubber cup is a tiny, cup-shaped, reddish-brown mushroom that commonly grows on twigs and fallen branches. The species is considered inedible, and its modest look almost certainly wouldn't attract anyone to consume it.

4. Yellow patches

The yellow patches is a gorgeous, striking species with a deep marigold or vermillion cap that sometimes appears as a blend of the two. Like some other members of the Amanita genus, it also sports patchy white worts - when it's cap is still very convex, it somewhat resembles the famous white and red mushrooms from the Mario Bros video games. While beautiful to look at, this species is toxic and should not be harvested.

5. Fragile dapperling

The fragile dapperling is a tropical and subtropical woodland species. As its name suggests, this mushroom is so tender and fragile that picking it becomes a real challenge. The stem is very thin and it easily snaps. The edibility of the fragile dapperling is unknown, but the mushroom is probably insufficient for any kind of meal.

6. Common earthball

With an appearance similar to a crusty potato, the common earthball blooms from acidic soils, including compacted paths on the forest floor. It matures to a yellowish tinge and is found across the northern hemisphere. It is a close cousin to bolete mushrooms but is considered to be poisonous and is never eaten.

7. Flowerpot parasol

This tropical/subtropical mushroom is known to be toxic. If eaten it causes a very unpleasant stomachache with the risk of fatal complications. In temperate zones, flowerpot parasol is only found in hothouses and greenhouses, so the risk of accidental foraging is low, but it may occur with potted plants and indoor landscaping and pose a risk to curious children.

8. Dead man's hand

Sometimes referred to as a "false Truffle", a trained eye could not easily mistake the dead man's hand for these highly-valued mushrooms. This large puffball-like mushroom develops in the ground, emerging gradually until it finally cracks up and forms a star-shaped fruiting body. The dead man's hand is considered toxic and newbie mushroom hunters should be careful not to confuse it with edible puffballs.

9. Peach-colored fly agaric

If you're looking for peach-colored fly agaric (Amanita persicina), start by hunting around in the leaf litter of hemlock, pine, and oak trees on the eastern coast of North America. Their rotund cap can commonly be overlooked, but well worth seeking out just to view the freckles and color. This species is poisonous, so take nothing but a photograph.

10. Black bulgar

The black bulgar is an unusual fungus that looks a bit like black gumdrops. While some authorities classify it in an "unknown edibility" group, others claim it's a poisonous mushroom. Either way, its unappealing appearance surely makes it an easy choice not to consume the black bulgar.

11. False chanterelle

The common name of this mushroom refers to the fact that it looks very similar to the edible and highly prized Chanterelle. This species, however, tastes bitter and may cause poisoning symptoms. False chanterelle occurs around the northern hemisphere in autumn and winter, growing on coniferous detritus, and is more likely to fruit in dry conditions rather than the usual wet.

12. Brick cap

This tufting mushroom grows on hardwood stumps and deadwood. The brick cap seems particularly fond of oak wood. It is similar in most respects to the Sulfur Tuft or Conifer Tuft, except that its cap is a brick red color. Brick caps should be regarded as inedible and are likely to cause stomach problems if consumed.

13. Coker's amanita

Coker's amanita may appear similar to other Amanita mushrooms but can be distinguished through careful observation of its features. The large size of this mushroom is one of its most distinctive features. This mushroom can be found in a variety of situations, growing alone or in groups, forming connections with hardwoods or conifers, and growing in the summer to fall season.

14. Ravenel's bolete

The ravenel's bolete is an unusual and unmistakable mushroom — unlike all other bolete mushrooms, this species has a powdery veil that covers the pores and the part of the stem when still young. The veil is bright yellow, almost fluorescent. Ravenel's bolete has been used for making mushroom-based dyes.

15. Woolly chanterelle

The woolly chanterelle, which looks only vaguely similar to its famed, edible chanterelle cousins, is vase-shaped and has large, pale folds and wrinkles on its underside (as opposed to having gills, like those of more sought-after chanterelles). Woolly chanterelles can cause upset stomach, vomiting, and diarrhea in some who eat them, while leaving others completely unaffected. Needless to say, the species is not considered a "choice edible".

16. Eastern american floury amanita

Eastern american floury amanita can be found during the late summer to fall in woodland areas. As hinted by its name, young mushrooms are covered in a flour-like powder that may wear off in older mushrooms. Other Amanitas can appear similar, but these mushrooms often have a ring of flesh around the stem and a cup-shaped structure at the base of the stem, which eastern american floury amanita lacks.

17. Onion-stalk parasol mushroom

This generalist mushroom, found across North America, can be found in all sorts of moist woodland settings. The species appears to be particularly fond of wood chips or mulch, and so it is often found in garden or park settings. The onion-stalk parasol mushroom, despite the word "onion" in its name, is inedible.

18. Mower's mushroom

The mower's mushroom, also referred to as the lawnmower's mushroom, is so named because it frequently crops up in lawns. The species is rather nondescript, and it is considered a member of the infamously hard-to-distinguish "Little Brown Mushroom" (LBM) family. While the mower's mushroom is not known to be toxic to humans or dogs, several of these close look-alikes are.

19. Cleft-footed amanita

The cleft-footed amanita is a North American mushroom species that was once classified as the notorious Amanita phalloides (the Death cap). Although later found to be less deadly, the cleft-footed amanita is a highly variable species that is not considered safe to forage for consumption.

20. Salmon pinkgill

Entoloma quadratum is easily recognized by its pointed salmon pink cap. As the mushroom matures, the color fades. Despite its attractive look, the salmon pinkgill is considered a toxic species and should not be collected and consumed.

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