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Inedible Mushrooms

Here is a list of inedible mushrooms. The mushrooms are not necessary poisonous, but useless as food.

Take in consideration that mushrooms can look different depending on the location and climate. The photos on this page may not be representable for species in your area.

Click on the pictures to enlarge them.

Lactarius turpis   (Ugly Milkcap)
Family
Russulaceae
Location
North America, Europe
Dimensions
Cap 5-15 cm diameter, stem 4-8 cm tall * 1-2.5 cm thick
Edibility
Inedible

Description
Lactarius turpis, also know as Ugly Milkcap, is a large, dull olive-brown agaric which is typically slimy or sticky and exudes white milk. The appearance is distinctive and the English name is very appropriate. It grows solitary or in scattered groups on soil in damp places under birch.

Cap margin at first involute with a somewhat depressed centre. The upper surface is olive brown or yellow-green and is often sticky or slimy in the middle. When young it has velvety zones and may be shaggy at the rim. Later it becomes funnel-shaped and the colour darkens to blackish. Gills dirty white, stained olive-brown by old milk. Initially white. They are fairly narrow, crowed and extending downward. Stem similar in colour as the cap, but much lighter.

Lactarius turpis on the www.first-nature.com web site.
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Lycoperdon nigrescens   (Dusky Puffball)
Family
Lycoperdaceae
Location
North America, Europe
Dimensions
1-4 cm diameter * 1.5-3 cm tall
Edibility
Inedible

Description
Lycoperdon nigrescens, also known as Dusky Puffball, is a rounded fungus, typically with a distinct stem and long dark spines. It typically grows in troops on acid soil on heaths and in coniferous and mixed woods.

Fruiting body is pallid brown covered with dark brown spines. They are fused in groups at the tips, falling away to reveal a brown papery surface decorated with a faint net pattern. Through a sub-spherical opening through a pore at the apex, the fertile head tapers or pinches down into a distinct, but very short, sterile, spongy basal region. Spore mass is at first white and firm becoming brown and powdery. Spores are brown.

Lycoperdon nigrescens on the www.first-nature.com web site.
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Megacollybia platyphylla   (Broad-gilled Collybia)
Family
Thricholomataceae
Location
North America, Europe
Dimensions
Cap 4-12 cm diameter, stem 6-15 cm tall * 1.5-2 cm thick
Edibility
Inedible

Description
Megacollybia platyphylla, also know as Broad-gilled Collybia, is a medium to large, fleshy agaric that has a pale brown, fibrillose cap, whitish gills and stem. It grows on buried decidous branches and stumps.

Cap mid- to pale brown, convex to umbonate. It has radiating fibers on dry cap surface. Gills medium-spaced, adnate or notched. Spores are pale cream colored. Stem hollow at center and whitish, with darker fine fibrils that are less dense than on cap. It is more or less equal and thickened at base. It has no ring.

Similar species Pluteus cervinus has free gills and a salmon-pink spore print.

Megacollybia platyphylla on the www.first-nature.com web site.
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Mycena galericulata   (Common Tufted Mycena)
Family
Thricholomataceae
Location
North America, Europe
Dimensions
Cap 2-8 cm diameter, stem 5-10 cm tall * 0.2-0.4 cm thick
Edibility
Inedible

Description
Mycena galericulata, also known as Common Tufted Mycena is a small or medium, grayish brown agaric that has a bell-shaped, radially grooved cap and pinkish gills.It grows in woods on the trunks, stumps and fallen branches of various types of decidous trees.

Cap roughly conical when young, becomes broadly bell-shaped or with a broad umbo. Margin initially somewhat curved inward, but soon evens out or even becomes uplifted, and often splits radially in age. Color is somewhat buff-brown on the margin, and fades gradually to pale dirty tan to dirty cinnamon-brown. Flesh is thick in the center of the cap and tapers evenly to the margin, and is watery gray. Gills narrowly attached (adnexed) to broadly attached or sinuate. The gill spacing ranges from close to somewhat distantly spaced, with 26–36 gills reaching the stem. Spores are pale cream colored. Stem is similarly colored as the cap but more pallid near the apex. It is smooth, slender, more or less equal, and somewhat rooting. It has white hair. The mushroom has no ring.

Mycena galericulata on the Firs Nature Web site.
Mycena galericulata on the MushroomExpert.Com Web site.
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Otidea onotica   (Lemon-Peel Cup)
Family
Pyronemataceae
Location
North America, Europe
Dimensions
4-6 cm diameter * 4-10 cm tall
Edibility
Inedible

Description
Otidea onotica, also known as Lemon-Peel Cup, is a pinkish yellow, irregular cup formed fungus that grows solitary and in small trooping groups on soil in broad-leaf and mixed woods from spring to early autumn. It tends to grow under beech trees.

Fruiting body lemon-yellow to yellow or rosy orange. The ear-shaped cup is split down one side and has a stemlike, off-white base and wavy margin. The thin, pale flesh may develop rusty spots with age.

Similar species Otidea leporina is found mostly in conifer forests. The dark brown Otidea smithii is common in the Rocky Mountains. Wynnea americana, which grows from a sclerotial mass, is also dark brown but with a reddish inner surface.

Otidea onotica on the First Nature Web site.
Otidea onotica on the MushroomExpert.Com Web site.
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Paxillus atrotomentosus   (Velvet Rollrim)
Family
Paxillaceae
Location
North America, Europe
Dimensions
Cap 12-28 cm diameter, stem 3-9 cm tall * 2-5 cm thick
Edibility
Inedible

Description
Paxillus atrotomentosus, also know as Tapinella atrotomentosa or Velvet Rollrim is a large or massive agaric that has a brown cap, buff gills and a dark brown, velvety, sometimes eccentric stem. Grows in woods and three stands, on and around conifer stumps and sometimes buried, coniferous wood.

Cap sepia- or walnut brown in colour with a inrolled cap margin and depressed centre. The cap is covered with dark brown or black velvety fur. Gills cream-yellow and forked, becoming ochre and spotted rust with age. Spores are sienna-brown. Stem thick, dark brown and juts out sidewards from the mushroom. The mushroom has no ring.

Synonymes Tapinella atrotomentosa is the newer name.

Tapinella atrotomentosa on the First Nature Web site.
Tapinella atrotomentosa on the MushroomExpert.Com Web site.
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Phallus rubicundus
Family
Phallaceae
Location
Australia, Asia, Africa
Dimensions
Cap 1-2 cm diameter; stem 3-12 cm tall x 0.5-3 cm diameter
Edibility
Inedible

Description
Phallus rubicundus is a species in the stinkhorn family and has a wide distribution in tropical regions. It has the typical stinkhorn structure consisting of a spongy stalk up to 15 cm tall arising from a gelatinous "egg" up to 3 cm in diameter.

Fruiting body consist of a hollow cylindrical stalk supporting a conical to bell-shaped cap. The orange to scarlet stalk tapers towards to top, and has a pitted surface. The wrinled cap is scarlet red. It is initially covered with a foetid, slimy grayish-olive gleba.

Similar species Mutinus elegans does not have a clearly separated cap, and instead bears its gleba on the apex of its pointed stalk.

Phallus rubicundus on the MushroomExpert.Com Web site.
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Pholiota alnicola   (Alder Scalycap)
Family
Strophariaceae
Location
North America, Europe
Dimensions
Cap 2-8 cm diameter, stem 2-8 cm tall * 0.5-1 cm diameter
Edibility
Inedible

Description
Pholiota alnicola, also know as Alder Scalycap, has a yellow, or yellow with some green intermixed hat, lemon-yellow gills (becoming cinnamon), and a ring zone on stem. It grows solitary or more typically clustered on dead or dying decidous trees, such as alder or birch often in damp sites.

Cap is bright yellow or yellow with some green intermixed, often with rusty brown spots. Gills are adnate to slightly decurrent, straw-yellow to rust brown. Spores are brown. Stem yellow toward top and rusty brown toward base. Ring is zone-like with pallid remnants of veil, very superior.

Similar species Three forms of Pholiota alnicoloa are sometimes classified separately. Pholiota salicola grows on willow, and it tastes bitter; Pholiota flavida and Pholiota pinicola grow on conifers.

Pholiota alnicola on the First Nature Web site.
Pholiota alnicola on the MushroomExpert.Com Web site.
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WARNING

If you plan to collect fungi to be eaten, misidentified mushrooms can make you sick or kill you. Do not eat mushrooms you are not 100% certain of. Use many resources, and be skeptical of your own conclusions. The site takes no responsibility for damage caused by wrong identifications. If you continue, you agree to view this website under these terms.