Brown Mushrooms identifications

Stem type:
Spore colour:
Cap type:
Fungus colour:
Normal size:

Total mushrooms fount: 622

Boletus russelli (Frost) Gilbert syn. Boletellus russelli Cap 3-10cm across, convex; buffy brown to reddish brown; dry, subtomentose, then very cracked-areolate. Tubes yellowish olive. Pores large and angular; olive-yellow. Stem 100-180 x 10-25mm, equal; deep reddish brown; entirely and strongly lacerated reticulate. Flesh firm; yellow, not changing when cut. Odor pleasant. Taste pleasant. Spores fusiform, 15-20 x 7-11-, with longitudinal striations and grooves. Deposit olive-brown. Habitat in oak woods. Locally common. Found in eastern North America, west to Michigan. Season July-September. Edible.
Boletus pulverulentus Opatowski Ligeti tin?ru. Cap 4-10cm across, broadly convex; deep yellow-brown to blackish brown, sometimes with reddish hues; subtomentose to dull, dry, or glabrous, tacky when moist. Tubes yellow, but instantly deep blue when cut. Pores large and angular; lemon yellow, instantly deep blue when touched. Stem 40-80 x 10-30mm, equal to tapering below; bright yellow-orange on apex, reddish brown below, turns instantly blue-black when handled; surface pruinose. Flesh soft; yellow then deep blue to almost black when cut. Odor not distinctive. Taste not distinctive. Spores subfusiform, 11-14(15) x 4.5-6?. Deposit olive-brown. Habitat in grassy oak woods and in garden lawns, particularly on slopes and banks. Often common. Found throughout northeastern North America. Season July-August. Edible. Comment One of the most easily identifiable boletes, with its instant and very deep blue color change of all parts. Ammonia on the cap cuticle gives a fleeting green coloration.
Boletus pseudosensibilis Smith & Thiers Cap 6-15cm across, broadly convex; brick red to ferruginous, fading to yellow-brown or cinnamon; unpolished, dry, glabrous, cracking when dry. Tubes shallow, subdecurrent down stem; yellow. Pores minute; bright yellow, instantly deep blue when bruised. Stem 80-160 x 15-30mm, equal to slightly flared at apex; pale yellow flushed pinkish to darker red below; smooth. Flesh solid; bright yellow, instantly blue when cut. Odor mild, pleasant. Taste mild, pleasant. Spores subfusiform, 9-12 x 3-4?. Deposit olive-brown. Habitat in mixed deciduous woods, especially oak. Often abundant. One of the commonest summer boletes in the eastern United States, especially New Jersey, occurring north and west to Michigan. Season June-September. Edible but not recommended because of risk of confusion. Comment Dilute ammonia (NH40H) applied to cap turns blue-green.
Boletus porosporus (Imler) Watling syn. Xerocomus porosporus Imler Gefelderter R-hrling Hamis nemezestin-ru (-tin-ru) Sepia Bolete Cap up to 8cm, dark olive brown then sepia to cigar-brown although at first with yellow down which darkens on bruising, later cracking to show yellowish flesh particularly at centre. Stem 90-100 x 20-30mm, apex lemon-chrome sometimes with brown to blood-red zone, slightly ribbed with olivaceous brown, darkening when bruised. Flesh pale lemon yellow to buff in cap, stem apex lemon-chrome, stem base dark brick or vinaceous, finally becoming blue after cutting particularly above the tubes. Taste and smell not distinctive. Tubes lemon-yellow finally olivaceous, bruising blue. Pores compound, angular, lemon-yellow darkening with age, bruising blue. Spore print olivaceous snuff-brown. Spores subfusiform, 13-15 x 4.5-5.5-, with a distinct truncate pore making this species unique among European boletes. Habitat mixed deciduous woods, particularly where oak is present. Season autumn. Rare. Edible but not recommended. Distribution, America and Europe.
Boletus morrisii Pk.Red-speckled Bolete Cap 3-10cm across, broadly convex; deep smoky brown to olivaceous, becoming reddish brown at center, with orange-yellow margin; dry, finely pulverulent, then smooth. Tubes usually deeply depressed around stem; yellow to ochre, reddish where bruised. Pores small; orange to brick red. Stem 40-80 x 8-15mm, equal to slightly swollen; bright yellow with very distinct and quite widely separate bright red squamules or dots nearly to apex. Flesh yellow with discolored areas of vinaceous or dark purple, especially in stem. Odor not distinctive. Taste not distinctive. Spores ellipsoid-subfusiform, 10-15(16) x 3.5-5.5(6.5)-. Deposit olivaceous. Habitat gregarious or even subcaespitose in deciduous woods. Rather rare. Found from Massachusetts to northern Georgia, not known from western North America. Season July-September. Edibility not known.
Boletus mirabilis Murr. Cap 5-15cm across, convex-flattened, margin inrolled; deep reddish brown, liver-colored; moist to soon dry, woolly or even squamulose. Tubes depressed around stem; yellowish. Pores olive-yellow when mature. Stem 80-150 x 35-50mm; deep brown; smooth with reticulum at apex. Flesh firm; white, pinkish in stem. Odor pleasant. Taste pleasant. Spores ellipsoid, 19-24 x 7-9?. Deposit olive-brown. Habitat on or near logs of fir, hemlock, or western red cedar. Found in the Pacific Northwest. Season September-December. Edible - good.
Boletus longicurvipes Snell & Smith Cap 2-6cm across, convex; reddish orange to dull ochre; glabrous, viscid-tacky, with separable pellicle, often wrinkled-reticulate. Tubes pale yellow. Pores small; yellow then greenish. Stem 50-100 x 6-15mm, long, slender, and often curved; pale pinkish brown, dull red with age; surface scabrous-scurfy. Flesh soft; white to pale yellow. Odor mild. Taste mild. Spores narrowly subfusiform, 13-17 x 4-51?. Deposit olive-brown. Habitat Northeastern North America, west to Michigan, south to New Jersey. Season August-September. Edible.
Boletus lignicola Kallenbach syn. Pulveroboletus lignicola (Kalchbr.) Pilat. Cap 5-20cm across, convex with inrolled margin; reddish brown to yellow-brown or rust; subtomentose, floccose at first, then smooth. Tubes decurrent on stem; bright yellow. Pores bright yellow, bruising blue-green. Stem 30-80 x 5-25mm, often eccentric, tapered below; rust-yellow to brown; dry, pulverulent. Flesh firm; pale lemon yellow. Odor faint, aromatic. Taste pleasant. Spores ellipsoid, 6.5-9 x 2.8-3.8-. Deposit olive. Habitat always on stumps or trunks of conifers, exceptionally on sawdust; often associated with the polypore Phaeolus schweinitzii. Rare. Found in northern Europe and widely distributed in eastern North America. Season July-September. Edible.
Boletus leonis Reid Honiggelber R?hrling C?pe couleur de lion Boletus leonis Reid Cap 3?5cm, bright sienna or ochre becoming buff, surface covered in irregularly downy patches particularly at the centre, elsewhere smooth. Stem 30?75 x 90?135mm, with rooting base, cream at apex, more ochraceous below. Flesh cream, with lemon-yellow tinge towards stem base. Taste and smell not distinctive. Tubes greenish yellow or lemon yellow. Pores lemon chrome unchanging. Spore print ochraceous citrine. Spores subfusiform to ellipsoid, 9?13 x 4.5?5.5?. Habitat in parkland with oak. Season autumn. Rare. Edibility unknown. Found In Europe.
Boletus huronensis Smith & Thiers Cap 8-15 cm, convex inrolled at the margin, dry, dull ochre-brown to cinnamon-brown. Pores minute dull yellowish ochre, staining blue-green reddish-brown in age. Stem up to 15 cm long up to 5cm wide thicker towards the base whitish or slightly ochre-brown, not reticulate. Flesh white, usually colouring blue when cut or damaged. Taste and smell slight. Spore print snuff-brown, olivaceous, 12-15 x3.5-5um smooth. I found these specimens in mixed woods in Connecticut, In Boletes of Michigan it is noted that they are found in association with Hemlock. Not edible (I and friends have eaten and enjoyed them, but they have been reported to cause upset in some people and there is a death that has possibly been put down to this fungus). These pictures were previously included under Boletus impolitus in this website and are also to be found under that name in the app. and in my book of North American fungi.
Boletus fragrans Vitt. Starkriechender R-hrling Cap 5-12cm across, convex then expanded, umber to date-brown, velvety at first becoming smooth. Stem 70-90 x 30-50mm, spindle-shaped, apex yellow becoming flushed red below, whitish above base in young specimens, extreme base black. Flesh lemon-yellow flushed red below cap cuticle, blueing only after several hours. Taste and smell pleasant. Tubes lemon-yellow sometimes with olivaceous flush. Pores lemon-yellow at first, later chrome-yellow, bruising faintly bluish. Spores elliptic, 9-16 x 4.5-6.5-. Habitat deciduous woods. Season autumn. Rare. Said to be edible -avoid. Distribution, Europe espcially southern, rare in North America.
Boletus chrysenteron Bull. ex St. Amans syn. Xerocomus chrysenteron (Bull. ex St. Amans) Qu?l. Red Cracking Boletus,C?pe ? pied rouge, Bolet ? chair jaune, Rotfussr?hrling, Aranytin?ru (tin?ru), Boleto dorato, Roodstelige fluweelboleet. Cap 4?11cm, dingy brown to pale sepia or buff with olivaceous flush, or with a pinkish red flush particularly late in the season, slightly velvety at first then smooth, later cracking irregularly to show coral flesh, making this an easily recognizable species. Stem 40?80 x 10?15mm, lemon-yellow at apex, red from middle downwards becoming more buff towards base. Flesh cream or lemon-yellow in cap, brown to reddish-buff in stem, usually pale red just below cap, turning slightly blue above the tubes and in base of stem but only slowly. Taste and smell slight but not distinctive. Tubes sulphur or lemon yellow, becoming greenish with age. Pores large, angular, similarly coloured and sometimes bruising greenish. Spore print olivaceous snuff-brown. Spores subfusiform, 12?15 x 3.5?5?. Habitat with broad-leaved trees. Season autumn. Very common. Edible but mushy when cooked. Distribution, America and Europe.
Boletus badius Fr. syn. Xerocomus badius (Fr.) K-hn. Bay Boletus, Bolet bai, C-pe des ch-taigniers, Maronenr-hrling, Barna tin-ru, Boleto baio, Kastanjeboleet. Cap 4-14cm, bay to dark brick-colour later flushed ochraceous brown, downy when young, soon becoming smooth and polished, slightly viscid in wet weather. Stem 45-125 x 8-40mm, concolorous with cap or paler, surface slightly cottony. Flesh white to lemon-yellow on cutting becoming faintly blue particularly in stem apex and above tubes, vinaceous in cap. Taste and smell mild and mushroomy. Tubes cream to lemon-yellow, bruising bluish green. Pores large, readily bruising blue-green. Spore print olivaceous snuff-brown. Spores subfusiform, 13-15 x 4.5-5.5-. Habitat in mixed woods. Season autumn. Common throughout British Isles. Edible - very good and usually free of maggots. Distribution, America and Europe.
Boletus auriporus Pk. Gold-pored Bolete Cap 3-7cm across, convex then flattened; dull yellow-brown to reddish or pinkish brown; dry but soon viscid, tacky when wet or when handled for any length of time, with innate fibrils. Tubes brilliant chrome yellow, unchanging. Pores 2-3 per mm; concolorous with tubes, unchanging. Stem 30-60 x 10-15mm, often swollen at center, spindle-shaped; pale yellow to pinkish brown, darker stains developing where handled; viscid when wet, smooth. Flesh pale yellow, unchanging when cut. Odor none. Taste slightly acidic. Spores smooth, subellipsoid, 8-11 x 3.5-4.5?. Deposit olive-brown. Pleurocystidia in tubes of remarkable size, 38-70(100) x 9-161., filled with golden sap. Habitat under mixed deciduous trees. Uncommon to rare. Found in eastern North America. Season July-August. Edible. Comment Easily confused with other bright pored boletes, such as Boletus illudens, but that species does not develop the noticeably sticky cap of this fungus, however wet it becomes.
Boletus auripes Pk. Cap 6-15cm across, convex to flattened; yellow-brown to gold when young, soon uniformly brown when old; dry, subtomentose to pruinose. Tubes bright yellow. Pores soon free of stem; bright yellow, unchanging. Stem 60-120 x 10-45mm, bulbous to equal; bright golden yellow; surface finely reticulate on upper half. Flesh firm; yellow. Odor pleasant. Taste mild. Spores ellipsoid to subfusiform, 9.5-15 x 3.5-5?. Deposit ochre-brown. Habitat in mixed hardwood trees. Rather uncommon. Found in eastern North America. Season August-September. Edible. Comment The cap of this species changes color markedly from young to old and is strongly reminiscent of Xanthoconium (=Boletus) affine (Pk.) Singer, with which it might be better grouped.
Boletus affinis Pk. Spotted Bolete Cap 5-10cm across, convex; color very variable, reddish brown, vinaceous brown to yellow-brown, often spotted and blotched with pallid, yellowish spots in the var. maculosus; dry, often with white bloom. Tubes sunken around stem; white to yellowish. Pores off-white to pale buff with age, bruising olivaceous. Stem 50-120 x 10-20mm, cylindrical to clavate; pale fawn, reddish brown in mid portion, white at base, in the var. maculosus sometimes completely pallid; dry, smooth to very slightly reticulate. Flesh white. Odor pleasant. Taste pleasant. Spores smooth, ellipsoid, (9)12-16 x 3-4(5)?. Deposit yellow-brown. Habitat abundant at times under deciduous trees. especially beech. Found widespread in eastern North America, from eastern Canada to Florida. Season June-October. Edible. Comment The young buttons are dark brown and the mature specimens often light tan. Var. maculosus has a more spotted cap.
Boletinellus merulioides (Schw.) Murr. Cap 5-15cm across, soon flattened and then depressed, margin incurved, often wavy, irregular in shape; dull yellow-brown or tan; dry, subtomentose to polished when old. Tubes decurrent, 3-5mm deep, with a radiating pattern; light yellow changing to dark olive, reddish brown when bruised. Pores large, compound, with shallower pores within pores. Stem 25-50 x 5-l0mm, often positioned off-center; concolorous with cap. Flesh pallid to yellowish, sometimes stains pale blue-green when cut. Odor mild. Taste mild. Spores ovate, smooth, 7-10 X 6-7.5?. Deposit olive-brown. Habitat often in large numbers on moist ground under ash trees. Common. Found widespread throughout northern and eastern North America. Season June-September. Edible but not very good.
Bjerkandera fumosa (Fr.) Karst. Kr?msz?n? likacsosgomba (tapl?). The fruit bodies are small brackets up to a maximum of 14cm across. Ochre-brown sometimes concentrically zoned, the under surface is cream coloured, browning slightly when handled. The pores are small 2-4 per mm. Spores smooth, elliptical 5-6.5x2.5-3.5. Mostly found on willow but also on other trees including a report on conifers. Tough ?not edible. Europe.
Battarraea phalloides (Dicks.) Pers. Stielstaubpilz Homoki ?lsz?m?rcs?g Sandy Siltball Fruit body 10?25cm high, consisting of a spore-sac borne on a rigid ochre-brown stem covered in shaggy fibres which is seated in a loose whitish membranous cup. Initially the fruit body is contained within the volva buried in sandy soil, then as the stem elongates rapidly the spore sac is pushed through the soil surface where it splits all round exposing the powdery rusty brown spore mass. Spores brown, subglobose to ovate, 5.0?5.5(6.5)?. Habitat on sandy soil. Season summer. Very rare. Not edible. Distribution, America and Europe.