Top 20 Most Common Toxic or Poisonous Mushrooms in Mountain Top

1. 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.

2. 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!

3. 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.

4. 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.

5. 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.

6. Cinnamon bracket

The cinnamon bracket (Hapalopilus rutilans) is a fungus that causes a white rot on dead wood. Its poisonous fruit bodies appear as brackets, and tend to grow in a dull orangish shade. A chemical reaction with ammonia, however, turns it purple. This fact can be exploited for the creation of wool dyes, with colors ranging from light lavender to deep purple.

7. 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".

8. 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.

9. Surprise webcap

The subdued yellow or beige caps of the surprise webcap (Cortinarius semisanguineus) do indeed hide a surprise - underneath the cap, this mushroom boasts gorgeous, ruby or maroon-red gills. While not considered edible, the surprise webcap is still sought-after - it can be used to produce a deep and lovely red-brown dye.

10. Yellowdrop milkcap

The yellowdrop milkcap is a severely toxic mushroom that causes gastrointestinal disturbances. When cut or bruised, it produces the white milky latex that dries yellow on damaged places just in a few seconds. These bright yellow spots are the best way to distinguish the species.

11. Dapped webcap

This picturesque mushroom can be found sprouting beneath birch trees in late summer to early autumn. The reddish cap of the dapped webcap (Cortinarius bolaris) acquires a spotted or dappled-looking surface as the red scales separate, revealing the whiter cap surface underneath. Be careful; not only is the species itself poisonous, but it also looks similar to those that contain even deadlier toxins.

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. Sulphur tuft

The sulphur tuft grows on rotting wood of all types of trees; it is a particularly efficient decomposer of hardwoods. The mushrooms appear from spring to autumn and are often so tightly packed that they interfere with each other’s shape. This poisonous mushroom can cause temporary paralysis, distorted vision, and stomach pain if consumed.

14. 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.

15. Onion earthball

The onion earthball is a member of the "tough-skinned puffball" family, a group of mushrooms that are typically bulbous and puff-ball like in form but have a tough outer layer. In the onion earthball's case, that outer layer often fissures, giving the mushroom a cracked appearance. Also distinctive is the stark contrast between this mushroom's skin, usually a pale white or yellow color, and its inner spore tissue, which is nearly black. Onion earthballs are poisonous.

16. Yellow-tipped coral

Yellow-tipped coral(Ramaria formosa) is a pinkish, much-branched coral fungus known for its distinct appearance and many colorful varieties. It has been reported to cause gastrointestinal distress in some people, and so consumption is strongly discouraged. Older specimens may become brittle and chalk-like.

17. 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."

18. 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.

19. Shaggy scalycap

These mushrooms are most commonly found in clusters underneath old broadleaf trees and on their stumps. Their scientific name, Pholiota squarrosa, means “scaly with upright scales,” and that is exactly how the surface of the mushrooms appears. They are sometimes mistaken for honey fungus, as they share the same color, but the shaggy scalycap is definitely not edible.

20. Bitter almond brittlegill

The bitter almond brittlegill can usually be identified by the strong scent of almonds that it emits when crushed. Slugs are attracted to it, which might explain why this inedible mushroom is usually found with a damaged cap. It is common in coniferous and broadleaved woodlands of Europe and northeastern North America.

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