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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.

Conocybe apala   (Milky Conecap)
Family
Bolbitiaceae
Location
North America and Europe
Dimensions
Cap 0.8-1.5 cm diameter, stem 3-6 cm tall * 0.2-0.3 cm thick
Edibility
Inedible

Description
Conocybe apala, also know as Conocybe albipes and commonly Milky Conecap, is a small agaric found growing among short green grass.

Cap pale cream to silvery-white colour and may sometimes have a darker yellow to brown colouration towards the central umbo. Its hood-shaped conical cap expands with age and may flatten out, the surface being marked by minute radiating ridges. Gills adnexed or free, rust coloured or cinnamon brown and quite dense. The gills may be visible through the thin cap. Stem coloured as cap, elongated, thin, hollow and more or less equal along its length. The mushroom has no ring.

Conocybe apala on the First Nature Web site.
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Coprinellus disseminatus   (Fairy Inkcap)
Family
Psathyrellaceae
Location
North America and Europe
Dimensions
Cap 0.5-1.5 cm diameter, stem 1.5-3 cm tall * 0.1-0.2 cm diameter
Edibility
Inedible

Description
Coprinopsis atramentaria, also known as Fairy Inkcap, is a cream white small agaric that grows on and around stumps and dying deciduous trees. The gills of this mushroom does not dissolve rapidly into an inky fluid, as many of the ink caps do.

Cap broadly egg-shaped with pleated surface, cream-white at first, but becomes gray with age and is darker at center Gills adnate, medium to closely spaced and white to gray-black coloured. Stem thin and white.

Similar species Psathyrella pygmaea is a similar mushroom.

Coprinellus disseminatus on the First Nature Web site.
Coprinellus disseminatus on the MushroomExpert.Com Web site.
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Coprinopsis variegata   (Scaly Ink Cap)
Family
Psathyrellaceae
Location
North America, Europe
Dimensions
Cap 4-6 cm diameter, stem 8-15 cm tall * 0.8-1.2 cm thick
Edibility
Inedible

Description
Coprinopsis variegata, also known as Scaly Ink Cap, is a medium-sized agaric with a bell-shaped to flattened cap up to 7.5 cm in diameter, with felt-like, patchy scales. The gills, initially white, turn black in maturity and eventually dissolve into a black "ink". The mushroom grows in clusters or groups on leaf litter or rotted hardwood, although the wood may be buried, giving the appearance of growing in the soil.

Cap thin, grey to greyish-brown, initially oval-shaped then bell-shaped, and then flattened with the margin turned upward. When young, the surface of the cap is covered with a woolly whitish or yellowish veil that breaks up into short-lived flakes or scales. Gills broad, thin, crowded closely together and free from attachment to the stem. They are initially white but turn to dark purplish-brown as the spores mature. Spores dark purplish-brown. Stem thick, hollow, and whitish. It is roughly the same width throughout the length of the stem and may have a wispy, cotton-like ring present near the base.

Coprinopsis variegata on the MushroomExpert.Com Web site.
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Coprinus plicatilis   (Umbrella Inky Cap)
Family
Coprinaceae
Location
North America, Europe
Dimensions
Cap 0.8–2 cm; stem 4-8 cm tall * 1-2 mm diameter
Edibility
Inedible

Description
Coprinus plicatilis, also known as Parasola plicatilis or Umbrella inky cap is a small parasol-like agaric that can be found in grassy areas, alone, scattered or in small groups. The fruiting bodies grow at night after rain and will self decompose after spore dispersion is achieved.

Cap buff, more cinnamon at the centre and later with grey tinge at the margin. The shape is ovoid at first, becoming convex or bell-shaped, then flat and finally shallowly convex like a parasol. Gills pallid clay, soon grey and finally black; free from the stem; close or nearly distant. Stem white or buff, equal above a slightly swollen base; fragile; hollow; bald or very finely silky. The mushroom has no ring.

Similar species Coprinus auricomus tends to be a bit bigger and has browner cap. A microscope reveals thick-walled brown hairs, confirming it's identity. Other similar species include Coprinus keuhneri, Coprinus leiocephalus and Coprinus nudiceps. They can be distinguished only by carefully measuring the spores.

Parasola plicatilis on the First Nature Web site.
Parasola plicatilis on the MushroomExpert.Com Web site.
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Cortinarius alboviolaceus   (Silvery Violet Cort)
Family
Cortinariaceae
Location
North America, Europe
Dimensions
Cap 5-8 cm diameter, stem 5-12 cm tall * 1-2 cm thick
Edibility
Inedible

Description
Cortinarius alboviolaceus, also called Silvery violet cort, has a convex to an umbonate, fleshy, silvery violet cap. It grows with deciduous trees, but also found with conifers, often on acidic soil.

Cap at first domed and then shallowly convex with a broad umbo, the dry, silky caps vary in colour from almost white through pale lilac to pale mauve. The rather broad, sinuate, notched gills are medium spaced and light grey-blue to cinnamon-brown. Stem The twisted, often club-shaped stem is often bowed rather than straight, is pale and fibrous with a slightly clavate (club-shaped) base and sometimes marked rust-brown around the veil zone by deposited spores.

Similar species Cortinarius malachius has a slightly scaly cap. It is associated with conifers, as are Cortinarius camphoratus and Cortinarius tranganus, which are noted for their penetrating smells; the former reminiscent of half-rotten potatoes, the latter sweet and sticky.

Cortinarius alboviolaceus on the First Nature Web site.
Cortinarius alboviolaceus on the MushroomExpert.Com Web site.
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Cortinarius armillatus   (Red-banded Cort)
Family
Cortinariaceae
Location
North America, Europe
Dimensions
Cap 4-12 cm diameter, stem 6-12 cm tall * 1-3 cm thick
Edibility
Inedible

Description
Cortinarius armillatus, commonly known as the Red-banded Cortinarius, is a medium or large, rounded or humped reddish-brown agaric on a thick bulbous stalk with cinnabar red bands. The mushroom grows solitary or clustered on soil in mixed hardwood-conifer forests, especially spruced ones.

Cap bell shaped at first, later flattening out, vividly rust-brown becoming slightly paler with age, with small fibrous scales, often with reddish cortinal remnants forming a belt at margin. Gills dark rust-brown; broad, distant and shallowly sinuate. Spores are rusty brown. Stem is a pallid cap color streaked with fibrils, more or less equal but markedly swollen at base. Ring is made of velar remnants forming one or more orange-red median or inferior ring zones. Flesh is light brown.

Cortinarius armillatus on the First Nature Web site.
Cortinarius armillatus on the MushroomExpert.Com Web site.
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Cortinarius camphoratus   (Goatcheese webcap)
Family
Cortinariaceae
Location
Europe and North America
Dimensions
Cap 4-10 cm diameter, stem 5-10 cm tall * 1-2 cm wide
Edibility
Inedible

Description
Cortinarius camphoratus, also known as Goatcheese webcap, has a convex to an umbonate, fleshy, pale blue lilac cap and has a strong distinctive odour. It is mycorrhizal with spruce trees and thus grows in coniferous forests.

Cap buff with tints of lilac, covered with minute fibers matted on the surface. Initially convex before flattening out, sometimes developing a broad umbo. Margin initially curled inwards but uncurls as the mushroom matures. Flesh colored lilac to purple and has no distinctive taste but an odor that has been compared to "curry powder, rotting meat, old goats or goat's cheese". Gills adnate, pale lilac at first, turning rusty brown as the spores mature. Stem solid and thickens towards the base. Roughly the same color as the cap and covered with silky white matted fibrils up to the level of the annular zone.

Similar species include Cortinarius malachius and Cortinarius traganus.

Cortinarius camphoratus on the First Nature website.
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Cortinarius collinitus
Family
Cortinariaceae
Location
North America, Europe
Dimensions
Cap 6-10 cm diameter, stem 7-12 cm tall, 1-2.5 cm thick
Edibility
Inedible

Description
An orange-brown cap, which is convex or has a wavy margin, and a sturdy white stem are good indicators of this species. Both the cap and the white stem are covered in the slimy remains of the veil which is blue-tinged. The mushroom occurs with spruce.

Cap convex to flat in shape, with a sticky, gelatinous surface (in moist conditions). Gills are adnexed, close, and pallid or pale violet in colour. Stem solid, equal, has transverse scaly-looking bands and covered in the slimy remains of the veil which is blue-tinged. The spore print, like most Cortiniarius species, is rusty-brown. Edibility is unknown for this species.

Similar species Cortinarius mucosus.

Cortinarius collinitus 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. Never eat a mushroom that you are not 100% sure is edible. Use many resources, and be skeptical of your own conclusions. Please consider that many mushrooms take years of experience to identify reliably.

The site takes no responsibility for damage caused by ingesting poisonous mushrooms. If you continue, you agree to view this website under these terms.