5-15cm Mushrooms identifications

Edibility:
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Total mushrooms fount: 945

Edible
In theory, this species of Hericium is easy to identify: it is the only species that forms a single clump of dangling spines, rather than hanging its spines from a branched structure. Additional identifying features include the fact that it typically appears on the wounds of living or very recently cut hardwoods, and the fact that its spines are mostly more than 1 cm in length. That's the theory. In practice positive identification is more difficult, since immature specimens of the branched species of Hericium often begin more or less as a single clump, and develop their branches with age. Further confusion stems from the fact that the long-spined species of Hericium, like Hericium erinaceus, may have short spines (1 cm in length or less) when they are young. In short, you must be sure that your specimen is mature (look for signs of brownish or yellowish discoloration) before betting the house on your identification of Hericium erinaceus. Description: Ecology: Saprobic and parasitic; usually growing alone or in pairs; fruiting from the wounds of living hardwoods (especially oaks); late summer and fall, or over winter and spring in warmer climates; widely distributed in North America. The illustrated and described collections are from Illinois. Fruiting Body: 8-16 cm across; consisting of one, unbranched clump of 1-5 cm long, soft spines hanging from a tough, hidden base that is attached to the tree; spines white, or in age discoloring brownish to yellowish. Odor and Taste: Odour not distinctive; when cooked the taste is reportedly delicious and, to some at least, rather like lobster cooked in butter. Habitat Saprobic, nearly always on beech and oak trees, stumps and fallen logs in Britain, but sometimes on other hardwoods. Bearded Tooth fungus is also reported to fruit occasionally on piles of sawdust. Microscopic Features: Spores 5-6 x 5.5-6 µ; globose to subglobose or subellipsoid; smooth or minutely roughened; hyaline and uniguttulate in KOH; amyloid. Gloeoplerous hyphae present, sometimes extending into hymenium to become cystidia (up to 50 x 6 µ, cylindric with knobbed apices, smooth, thin-walled).
Choice
The meadow mushroom, Agaricus campestris, is a beautiful white mushroom that is closely related to the cultivated "button mushrooms" (Agaricus bisporus) sold in North American grocery stores. In most areas it is a fall mushroom and, as its common and Latin names suggest, it comes up in meadows, fields, and grassy areas, after rains. It is recognized by its habitat, its pink gills (covered up by a thin white membrane when the mushroom is young) which become chocolate brown as the mushroom matures, its quickly collapsing white ring, and the fact that it does not discolor yellow when bruised. Description: Ecology: Saprobic; growing alone, gregariously, or sometimes in fairy rings, in meadows, fields, lawns, and grassy areas; late fall to early winter (occasionally in summer; sometimes year-long in California); widely distributed and common in North America. Cap: 3-11 cm; convex to broadly convex, occasionally nearly flat; whitish; smooth and glossy to fibrous to nearly wooly or scaly. Gills: Free from the stem; deep pink becoming brown and then dark chocolate brown in maturity; crowded; covered with a thin white partial veil when in the button stage. Stem: 2-6 cm long; 1-2.5 cm thick; more or less equal; sometimes tapering slightly to base; with a quickly collapsing white ring; not bruising yellow. Flesh: Thick and white throughout; not bruising yellow anywhere, even in the base of the stem; very rarely discoloring a pinkish wine color in wet weather. Odor and Taste: Pleasant. Chemical Reactions: Cap surface not yellowing with KOH. Spore Print: Dark chocolate brown. Microscopic Features: Spores: 5.5-10 x 4-7 µ; elliptical. Cheilocystidia to 10 µ wide. Universal veil hyphae (on cap surface and stem base) without inflated elements. The North American forms of this mushroom are apparently numerous--and several closely related (identical?) species have been described, including Agaricus andrewii (cheilocystidia 11-18.5 µ wide; universal veil hyphae with inflated elements) and Agaricus solidipes (spores up to 12 µ long; cheilocystidia absent). See also Agaricus porphyrocephalus.
Inedible
The top surface of the cap shows typical concentric zones of different colours. The flesh is 1–3 mm thick and has leathery texture. Older specimens, such as the one pictured, can have zones with green algae growing on them, thus appearing green. It commonly grows in tiled layers. The cap is rust-brown or darker brown, sometimes with blackish zones. The cap is flat, up to 8 x 5 x 0.5–1 cm in area. It is often triangular or round, with zones of fine hairs. The pore surface is whitish to light brown, pores round and with age twisted and labyrinthine. 2-5 pores per millimeter.
Edible
Boletus aereus, described by some as the Queen Bolete but just lately given the normal name Bronze Bolete in Britain and Ireland, is a most sought-after edible mushroom. It is merely as good as its famous close relative, Boletus edulis (Cep or Cent Bun Bolete) but its flesh is quite firmer. In the pub marketplaces of France, for example, these excellent boletes can be purchased as well as Boletus edulis and Boletus reticulatus, and customers are evenly happy with whichever of the meaty mushroom varieties can be found. A exceptional find in Ireland and Britain, where it is restricted to southern parts mainly, Boletus aereus is a lot more prevalent in southern European countries. Commonly bought at the sides, beside strolls or in clearings in oak and beech woodlands, Boletus aereus will berry just a little than boletus edulis later, which looks later than the summertime Bolete relatively, Boletus reticulatus. Most boletes, and certainly every one of the common ones within Britain and Ireland, are ectomycorrhizal fungi. Which means that they form mutualistic romantic relationships with the main systems of trees and shrubs or shrubs. The fungi help the tree to obtain moisture and essential minerals from the soil, and in exchange the main system of the tree gives energy-rich nutrients, the merchandise of photosynthesis, to the fungal mycelium. Although most trees and shrubs may survive without their mycorrhizal companions, boletes (and a great many other varieties of forest-floor fungi) cannot endure without trees; subsequently these so-called 'obligately mycorrhizal' fungi do not happen in wide open grassland. The medical name Boletus aerus started in Jean Baptiste Francois Pierre Bulliard's 1789 descriotipon of the varieties. Synonyms of Boletus aereus includeBoletus mamorensis Redeuilh. The universal name Boletus comes from the Greek bolos, indicating lump of clay; the foundation of the precise epithet aereus is Latin and means copper or bronze (in shade) - hence the normal name Bronze Bolete. Some individuals make reference to it as the Dark colored Porcini or the Dark Cover Bolete. Boletus aereus, the dark cep or bronze bolete, is a highly prized and much sought-after edible mushroom in the family Boletaceae. Dark cigar brown, bay to dark sepia, often dark brick-coloured near the margin, minutely cracking making the surface roughly textured, slightly downy at first then smooth. Stem 60-80 x 11-12mm, robust, covered with network which is brown near apex, clay pink or buff around the middle and rusty below. Flesh white, unchanging or becoming dirty vinaceous when bruised. Taste pleasant, smell strong and earthy. Boletus aereus comes with an earthy smell and a pleasurable mild taste. Habitat with broad-leaved trees, especially beech and oak. To Oct in Britain and Ireland august, this bolete are available from Oct to Feb in a few elements of southern European countries. ( Season summer to autumn ) Rare. Edible. Distribution, America and Europe. Cap: First downy but becoming gentle with a finely damaged or granular surface soon, the dark-brown to dark sepia-brown hats of Boletus aereus range between 7 to 20cm size at maturity. The cover margin is a far more reddish brownish than the centre often. When cut, the cover flesh remains white or very gradually converts somewhat purplish usually. Spores: Spores olivaceous snuff-brown, subfusiform, 13,5 - 16 x 4 - 5 µm. Pores and tubes: Tubes white to cream, finally sulphur-yellow. Pores similarly coloured but bruising vinaceous on handling and often flushed rust with age. The pipes of Boletus aereus (seen when the cover is damaged or chopped up) are white or pale cream, becoming smart sulphur yellow at maturity; they terminate in really small creamy white skin pores that become rust-coloured (see remaining) with years. When bruised or cut, the skin pores and pipes of Boletus aereus swiftly do not change shade, but after the right time they create a vinaceous tinge. Stem: A fine brown online structure (reticulum) is obvious on the pale darkish track record of the stem surface, darkest on the apex with the bottom and usually relatively paler and pinker near to the inflamed centre of the stem. Sometimes clavate (club-shaped) but more regularly barrel-shaped, the stem of Boletus aereus is 5 to 12cm high or more to 8cm in size at its widest point. The stem flesh is white and incredibly organization. Habitat & Ecological role: Boletus aereus develops on garden soil beneath broadleaf trees and shrubs, beech and oaks notably. Similar species Boletus edulis has a pale stem with a white reticulum; its dark brown cover has a whitish marginal region. Tylopilus felleus has a darker stem reticulum and a pinkish tinge to its skin pores; it has an extremely bitter taste.
Edible
Scientific name: Meripilus sumstinei (Murrill) M. J. Lombard and larsen Derivation of name: Meri- means "part" or "section" and pil- means "cover." The genus name might make reference to the framework of the fungi having numerous hats fanning out and dividing from the base. Polyporus giganteus Fr. Phylum: Basidiomycota Occurrence on lumber substrate: Parasitic and saprobic; on surface (from origins) around stumps or living deciduous trees and shrubs, especially oak; Through November july. Dimensions: Individual hats (fronds) 5-20 cm extensive, forming large thick clusters mounted on a short, dense common stalk; stalks (when present) 1-3 cm long or more to 11 cm solid. Top surface: Grayish to yellowish-tan, becoming smoky and dark with era; wrinkled radially; finely hairy; bruising dark over the margins where dealt with or in era. Pore surface: White; bruising dark-colored; skin pores 4-7 per mm. Edibility: Edible. Remarks: Clusters of Meripilus sumstinei may attain diameters of 40 cm or even more. * More mature specimens become darker with time. * The cap surface types turn dark where touched. * The white pore surface obvious under one frond contrasts very well with the darker colors of the top cap surface. * The skin pores of Black-staining polypore are incredibly small, providing the pore surface a uniformly white, almost "pore-less" appearance.
Inedible
Inonotus hispidus (Bull. ex Fr.) Karst. Pelzporling, Almafa rozsd?stapl? (tapl?) Polypore h?ris?e, Shaggy Bracket. Habitat: Commonly between 10-20ft on the trunks of ash, but seen on walnut sometimes, london and apple plane. Strategy: Parasitic creating simultaneous white rot. Value: Brittle fracture at point of decay. The probability of standing timber being created is wonderful for biodiversity Annual bracket ranging from: 6 to 25 cm across 4 to 12 cm wide 2 to 10 cm thick Fan-shaped, usually single but occasionally fusing with others into overlapping groups, surface felty-hairy varying from ochraceous to tobacco-brown, finally blackish and bristly. Red to brown and like velvet on top and usually growing independently. The bracket will blacken with age and finally drop off within the year, remaining on the ground below the tree for a long time. Spores exuded from red to brown pores. Tubes 10-20(50)mm long. Pores 2 - 3 per mm, circular to angular, pale ochraceous at first, later brown and glancing in the light. Spores rust, subglobose, 9?12?4?10m. Habitat usually on ash but commonly on other trees such as elm, apple and walnut. Season summer but persisting on the tree in blackened state throughout the year, annual ( Seen in October ). Frequent. Not edible. Distribution, America and Europe.
Inedible
Clathrus archeri (Berk,) Dring Syn Anthurus archeri (Berk.) E. Fisher. Tintahalgomba, Tintenfischpilz, Octopus Stinkhorn. Fruit body growing from an egg shaped whitish volva 5 x 4cm, breaking into 4-8 starfish-like arms up to 10cm long, red to pink with the olivaceous-black spore bearing material on the inner side, odour strong and fetid with a hint of radish. Spores olive-brown average 5 x 2um. Habitat gardens and leaf litter. A native Australian fungus that is now found in both north America and Europe in warmer areas. Thanks to Geoffrey Kibby for the first photograph and to Mark Hampton for the second and Robert Corbyn for the third.
Edible
Hypsi means "high" or "on high" and zygus means a "yoke" Hypsizygus, then, referring to position of this mushroom often high in the tree. Ulm- refers to "elm" indicating one of the common substrates for this fungus. There are commercially grown forms of this mushroom grown and sold in supermarkets and specialist shops, usually referred to as Buna-shimeji syn Hon-shimeji, the Brown Beech Mushrooms, there is a white form called Bunapi-shimeji. Hypsizygus tessulatus (Bull. ex Fr.) Singer New syn. Hypsizygus marmoreus Laskapereszke. Cap 5-15cm across, convex becoming flatter and rather sunken; white to buff yellow, creamy tan or crust brown in the center; moist, smooth, minutely hairy, becoming cracked with scaly patches. Gills adnexed to sinuate, close to subdistant, broad; whitish becoming cream. Stem 40-110 x 10-30mm solid, off-center, enlarged toward the base; white; dry, smooth, sometimes hairy. Flesh thick, firm; white. Odor mushroomy. Taste mild. Spores globose, smooth, 5-7 x 5-7µ. Deposit white to buff. Season September-December . Habitat singly or scattered on old hardwood trees, especially elm, often quite high up. Frequent. In nature, shimeji are gilled mushrooms that grow on wood. Most often the mushroom is found on beech trees, hence the common name, Beech Mushroom. They are often small and thin in appearance and popular in many nations across the world. ---- Growing Hypsizygus tessulatus The groups of mushrooms are harvested before the caps open. The beige caps are a little coarse and are often harvested when they have a diameter of ca. 2 cm, while the fully grown mushrooms can reach a diameter of 7 to 9 cm. Recommended substrate: 80% hardwood, mixed fine + coarse; 10% cereals; 10% bran. humidity: 62 % ---- A delicious species, H. tessulatus falls under the umbrella concept of the Japanese "Shimeji" mushrooms. Firm textured, this mushroom is considered one of the most "gourmet" of the Oyster-like mushrooms. Recently, this mushroom has been attributed to having anti-cancer properties. I ncreasingly better know, this obscure mushroom compares favorably to P. ostreatus and P.pulmonarius in North American, European and Japanese markets. Mycelial Characteristics: Mycelium white, cottony, resembling P. ostreatus mycelium but not as aerial. Also, the mycelium of H. tessulatus does not exude the yellowish-orange metabolite nor does it form the classically thick, peelable mycelium, two features that are characteristic of Pleurotus species. Mircroscopic Features: This mushroom produces white spores. Suggested Agar Culture Media: Malt Yeast Peptone Agar (MYPA), Potato Dextrose Yeast Agar (PDYA), Dog Food Agar (DFA), or Oatmeal Yeast Agar (OMYA) Spawn Media: The first two generations of spawn can be grain. The third generation can be sawdust or grain. Substrates for Fruiting: Supplemented sawdust. Good wood types are cottonwood, willow, oak, alder, beech, or elm. The effectiveness of other woods has not yet been established. It seems that straw does not provide commercially viable crops unless inoculated up to 25% of its weight with sawdust spawn. Yield Potentials: 1/2 lb. of fresh mushrooms per 5 lb. block (wet weight) of supplemented hardwood sawdust/chips. Comments: A quality mushroom, Buna shimeji is popular in Japan and is being intensively cultivated in the Nagano Prefecture. The only two mushrooms which come close to this species in over-all quality are H. ulmarius or Pleurotus eryngii. In the same environment ideal for Shiitake (i.e. normal light, CO2 less than 1000 ppm), strains of H. tessulatus produce a stem less than 2 inches tall and a cap many times broader than the stem is long. When the light is reduced and the carbon dioxide levels are elevated, the mushrooms metamorphosize into the form preferred by the Japanese. Here again, the Japanese have set the standard for quality. In the growing room, abbreviated caps and stem elongation is encouraged so that forking bouquets emerge from narrow mouthed bottles. Modest light levels are maintained (400 lux) with a higher than normal carbon dioxide levels (>2000 ppm) to promote this form of product. From a cultivator's point of view, this cultivation strategy is well merited, although the mushrooms look quite different from those found in nature. This cultivation strategy is probably the primary reason for the confused identifications. When visiting Japan, American mycologists viewed these abnormal forms of H. tessulatus, a mushroom they had previously seen only in the wild, and suspected they belonged to Lyophyllum. Many of the strains of H. marmoreus cultivated in Japan produce dark gray brown primordia with speckled caps. These mushrooms lighten in color as the mushrooms mature, becoming tawny or pale woody brown at maturity. Most strains obtained from cloning wild specimens of H tessulatus from the Pacific Northwest of North America are creamy brown when young, fading to a light tan at maturity, and have distinct water-markings on the caps. The differences seen may only be regional in nature. This mushroom does not exude a yellowish metabolite from the mycelium typical of Pleurotus species. However, it has been found that H. tessulatus produces a mycelium-bound toxin to nematodes, similar to that present in the droplets of P. ostreatus mycelium. This discovery may explain why it is not likely to see a nematode infestation in the course of growing Hypsizygus tessulatus. Given the number of potentially valuable by-products from cultivating this mushroom, entrepreneurs might want to extract the water soluble anti-cancer compounds and/or menatacides before discarding the waste substrate.
Poisonous/Suspect
Cortinarius (Telamonia) bulliardii (Fr.) Fr. Zinnoberroter Gürtelfuss Vöröslábú pókhálósgomba Cortinaire de Bulliard Hotfoot Webcap Cap 4–8cm across, convex then expanded, deep red-brown to chestnut drying ochre-buff. Stem 50–100 x 10–15mm, whitish near apex becoming rust towards the base and covered in reddish fibres. Flesh whitish, sometimes reddish at stem base. Taste and smell not distinctive. Gills violaceous at first, soon rusty. Spore print rust. Spores elliptic, rough, 8–10 x 5–6µ. Habitat deciduous wood, especially beech. Season autumn. Rare. Edibility Suspect – avoid as many Cortinarius contain toxins. Found In Europe. edibility: Poisonous/Suspect fungus colour: Red or redish or pink normal size: 5-15cm cap type: Convex to shield shaped stem type: Bulbous base of stem spore colour: Rusty brown habitat: Grows in woods, Grows on the ground
Poisonous/Suspect
Mushroom is sticky with brownish cap and grills are brown too. Stalk more like yellowish to brown. Cap Size is from 1 to 3 cm ( 0.39 to 1.18 inches ). Cap type is Convex or broadly convex which transforms to flat. It has whitish patches on cap. Cap is smooth, dark reddish-brown color which fades to grayish-brown. Grills Coprophila has attached grill. Nearly distant; Broad; Color of grill is whitish to brown or purplish-brown. Stalk Height is 2 to 4 cm ( 0.78 to 1.57 inches ) Thick is 1.5 to 5 mm Color: whitish, darkening to brown ( NOT bruising blue ). Veil Some times it present. Partial veil evanescent. Spores: 11-14 X 7-8.5 m; elliptical, smooth, with pore at tip. Spore print purplish-brown. Season June - October. Habitat Single to numerous, on horse or cow dung. Look-alikes: P. merdaria has central ring zone on stalk. Stropharia semiglobata is ringed yellowish. Panaeolus species have blackspores. Coprinus species liquefy. Comments: This weak hallucinogen is the most widespread psilocybe in North America. According to Stamets and other sources. P. coprophila is not hallucinogenic. Source: http://books.google.ca/books?id=BQvjx9M-DTgC&pg=PA25&lpg=PA25&dq=Stamets+psilocybe+coprophila+not+hallucinogenic&source=bl&ots=6_0sersnDS&sig=qDR0hlnnlGhLJS79eONHFlEfpv0&hl=en&sa=X&ei=BoOsT6obqpGIAo2wsOsG&ved=0CGIQ6AEwCQ#v=onepage&q=Stamets%20psilocybe%20coprophila%20not%20hallucinogenic&f=false
Edible
Coprinus Coprinus comatus (Fr.) S. F. Gray. Shaggy Mane, Shaggy Inkcap, Lawyer's Wig, Coprin chevelu, Schopftintling, Agarico chiomato, Geschubde inktzwam, Gyapjas tintagomba. Cap 3-7cm across when expanded, more or less a tall ovoid when young, becoming more cylindrical as it expands; white and very shaggy-scaly, often with a pale brownish "skullcap" at apex; margin of the cap dissolves away and progresses steadily upward until the entire cap has liquified away, including the gills. Gills free, crowded, very narrow; white becoming black and inky from the margin upward. Stem 60-120 x 10-20mm, very tall, straight, with a slightly bulbous base, hollow in center; white; smooth, with a ring of veil tissue left lower down on the stem. Flesh soft, fibrous; white. Odor (when young) pleasant. Taste similar. Spores ellipsoid, smooth, with germ pore at apex, (12)13-17(18) x 7-9?. Deposit black. Habitat often in large numbers on roadsides, lawns, and other urban sites, especially where the soil has been disturbed. Found throughout North America and Europe. Season sometimes in the spring but usually July-November. Edible and delicious when young.
Choice
Agaricus andrewii Freeman False Meadow Mushroom Cap 2-6cm across, convex then flattened, but with inrolled margin until fully mature; pure white, to cream when old; smooth, silky-fibrillose, margin of cap with floccose remnants of white veil. Gills free, crowded, broad; bright pink when young, then soon chocolate brown, and finally black. Stem 25-50 x 10-15mm, equal to tapered at the base; white; fibrillose to woolly below the faint evanescent ring zone. Flesh firm; white. Odor very pleasant. Taste very pleasant. Spores broadly ellipsoid, 7-8 x 4-5µ. Deposit purplish brown. Marginal cystidia sparse, prominent and turnip-shaped to club-shaped. Habitat As yet the exact distribution of this species is uncertain because of confusion with Agaricus campestris. However, it would appear to be widespread at least in eastern north America as far south as North Carolina. Season late September-November. Edible and choice, it has doubtless been mistakenly collected many times as Agaricus campestris. Comment The more familiar Agaricus campestris lacks any marginal cystidia and may not be as common in America as is usually supposed. Apart from the microscopic differences, Agaricus andrewii would appear to differ hardly at all macroscopically, except that it seems to have a more consistently smooth and purer white cap than Agaricus campestris. ---- Ecology: Saprobic; growing alone, gregariously, or sometimes in fairy rings, in meadows, fields, lawns, and grassy areas; late fall to early winter (occasionally in summer; sometimes year-long in California); widely distributed and common in North America. Cap: 3-11 cm; convex to broadly convex, occasionally nearly flat; whitish; smooth and glossy to fibrous to nearly wooly or scaly. Gills: Free from the stem; deep pink becoming brown and then dark chocolate brown in maturity; crowded; covered with a thin white partial veil when in the button stage. Stem: 2-6 cm long; 1-2.5 cm thick; more or less equal; sometimes tapering slightly to base; with a quickly collapsing white ring; not bruising yellow. Flesh: Thick and white throughout; not bruising yellow anywhere, even in the base of the stem; very rarely discoloring a pinkish wine color in wet weather. Odor and Taste: Pleasant. Chemical Reactions: Cap surface not yellowing with KOH. Spore Print: Dark chocolate brown. Microscopic Features: Spores: 5.5-10 x 4-7 µ; elliptical. Cheilocystidia to 10 µ wide. Universal veil hyphae (on cap surface and stem base) without inflated elements. The North American forms of this mushroom are apparently numerous--and several closely related (identical?) species have been described, including Agaricus andrewii (cheilocystidia 11-18.5 µ wide; universal veil hyphae with inflated elements) and Agaricus solidipes (spores up to 12 µ long; cheilocystidia absent). See also Agaricus porphyrocephalus.
Inedible
Xylaria polymorpha (Pers. ex M-rat) Greville. Dead Man-s Fingers, Xilaire polymorphe, Vielgestaltige Holzkeule, Bunk-s agancsgomba, Houtknotszwam. Fruit body 3-8cm high, 1-3cm wide, irregularly club-shaped passing into a short cylindrical stalk below, black with a finely wrinkled or roughened surface. Flesh tough, white; the section shows the distinctive pattern of the spore-producing cavities, the perithecia, just below the surface crust. Asci 200 x 10um. Spores blackish, fusiform, 20-32 x 5-9um. Habitat in groups on stumps, usually beech. Season all year. Common. Not edible. Distribution, America and Europe. The two super latest shots were sent to me by David Tuckett. Thanks David.
Inedible
Xylaria hypoxylon (L. ex Hook.) Greville. Stag?s Horn or Candlesnuff Fungus, Xilaire du bois, Geweihf?rmige Holzkeule, Geweizwam, Szarvasagancsgomba. Fruit body 1?7cm high, subcylindric at first becoming flattened and branched into an antler-like shape, the upper branches powdered white, finally tipped black when mature, stalk black and hairy. Asci 100 x 8um. Spores black, bean-shaped, 11?14 x 5?6um. Habitat on dead wood. Season all year. Common. Not edible. Distribution, America and Europe.
Edible
Volvariella bombycina (Schaeff. ex Fr.) Sing. syn. Volvaria bombycina (Schaeff. ex Fr.) Kummer. Wolliger Scheidling ?ri?s bocskorosgomba Volvaire soyeuse Silky Rosegill. Cap 5?20cm across, ovate then bell-shaped, whitish covered in long fine yellowish silky, almost hair-like fibres. Stem 70?150 x 10?20mm, often curved, tapering upwards from the bulbous base; volva membranous, large and persistant, somewhat viscid, white at first discolouring dingy brown. Flesh white becoming faintly yellowish. Taste slight, smell pleasant, like that of bean sprouts. Gills crowded, white at first then flesh-pink. Spore print pink. Spores elliptic, 8.5?10 x 5?6um. Habitat dead frondose trees, Maple, elm, and others, often in knot-holes or hollow trunks. Season early summer to autumn. Rare. Edible (Never eat any mushroom until you are certain it is edible as many are poisonous and some are deadly poisonous.) Distribution, America and Europe.
Choice
Ustilago maydis (DC) Corda syn. Ustilago zeae Ung. Corn Smut, Kukorica?sz?g, Cuitlacoche, Huitlacoche. This smut fungus attacks maize or corn causing a bulbous greyish-white fungal growth with a black interior to form on the corn ears, and sometimes a series of grey-black patches on leaves or stems. For farmers all over the world it has been considered a pest, but in Mexico the sweet corn infected with the fungus is a culinary delicacy known as Cuitlacoche or Huitlacoche (the name taken from the ancient Nauhatl). Pseudohyphae and short hyphae with clamp connections are sometimes present. The blastoconidia are irregular, spindle shaped. The teliospores are generated in the corn cob and on maturity are dispersed by wind, they then can overwinter in the soil and infect the next year's growth. For best eating, cuitlacoche should be harvested 16-18 days after infection, once the teliospores are mature. Edible and choice when maturing on corn cobs. Found all over the world, but most easily found in Mexico and some parts of the USA where deliberate infection takes place in order to produce a crop for sale. The images of Cuitlacoche in the edible stage has been lent to me by Jane Levi and Alex Veness.
Inedible
Tyromyces caesius (Schrad. ex. Fr.) Murr. syn. Polyporus caesius Schrad. ex Fr. New syn. Postia caesia Blauender Saftporling Elk?k?l? likacsosgomba (tapl?). Bracket 1?6cm across, 1?4cm wide, 0.3?1cm thick, single or in overlapping groups, semicircular; upper surface covered in fine long hairs, whitish, grey-blue with age or where handled. Tubes 0.5?4.5mm long, white later grey-blue. Pores 3?4 per mm, circular, white at first more grey or grey-blue with age. Spores white with grey-blue tint, sausage-shaped, amyloid, 4?5 x 0.7?1.0um. Hyphal structure monomitic; generative hyphae appearing glassy in KOH, and with clamp-connections. Habitat on dead conifers, especially spruce. Season all year, annual. Occasional. Not edible. Distribution, America and Europe.
Poisonous/Suspect
Tylopilus felleus (Fr.) Karst. syn Boletus felleus Fr. Bitter Boletus, Bolet de fiel, Bolet amer, Bolet chicotin, Gallenr?hrling, Epe?z? tin?ru, Boleto felleo, porcino di fiele, Bittere boleet. Cap 6?12cm, fulvous to snuff-brown, slightly downy at first, smooth with age. Stem 70?100 x 20?30 (60 at base) creamy ochre, lighter at apex, covered in a coarse snuff-brown network. Flesh soft, white to cream, clay-pink beneath cap cuticle. Taste very bitter, like bile, smell slightly unpleasant. Tubes slightly salmon or coral. Pores similarly coloured, bruising brownish. Spore print clay-pink to vinaceous. Spores subfusoid, 11?15?4?5m. Habitat coniferous and deciduous woodland. Season late summer to autumn. Occasional. Not edible due to very bitter taste. Distribution, America and Europe.
Choice
Tuber melanosporum Vitt., Perigord Truffle, Truffe du P?rigord, Die Perigord-Tr?ffel, Francia szarvasgomba, Tartufo nero di Norcia, tartufo di P?rigord, Perigordtruffel. Spherical or lumpy, 2-10cm across with a covering of polygonal warts, and the cut flesh turning violaceous-black with white river like lines throughout, wonderfully scented. Asci with up to 6 spoes 90-100 x 80-120um Spores elliptic, completely covered in spines 2-4um long, 29?55 x 22?35um. A specialty of the Perigore region of France, but also known from other countries around the Mediterranean, north Africa and Asia. Edible ? excellent considered the best truffle. Found In Europe, under trees especially cork oak.
Choice
Tuber aestivum Vitt. Summer Truffle, Truffe de ?t?, Truffe de la Saint-Jean, Sommertr?ffel, Ny?ri szarvasgomba, Tartufo d'estate, tartufo nero d'estate, tartufo nero nostrale, Zommertruffel. Fruit body 3?14cm across, globose, covered in pyramidal warts, blackish brown. Flesh whitish becoming marbled grey-brown. Taste nutty, smell sweet. Spores ovoid, reticulate, 20?40 x 15?30um. Habitat buried usually near beech on calcareous soil. Season late summer to autumn. Rare. Edible ? good. Found In Europe.
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