Fungi Species List

Pileus
Cap 1.5-3.0 cm broad, convex, becoming plano-convex, sometimes with a low umbo or the disc slightly depressed; margin at first incurved, then decurved; surface glabrous, reddish-brown with innate fibrils, lubricous when moist, hygrophanous, fading to dingy tawny reddish-brown; context 1.0-2.5 mm thick at the disc, rapidly thinning towards the margin, soft, cream colored, unchanging; odor not distinctive; taste mild.

	Panaeolina foenisecii: Panaeolus foenisecii
	Pileus Cap 1.5-3.0 cm broad, conic, becoming convex, broadly so at maturity; surface smooth to faintly wrinkled, cracking in dry weather, hygrophanous, dull brown fading to light greyish-brown, the margin often with a dark band; flesh thin, light brown; odor and taste mild.

	Panaeolus campanulatus: Panaeolus papilionaceus
	Pileus Cap 1.5-4.0 cm broad, obtusely conic, becoming bell-shaped; margin at first slightly incurved, then decurved, decorated with white veil fragments, the latter sometimes obscure in age; surface smooth, dry, subviscid in moist weather, olive-brown to grey-brown, occasionally yellowish-brown to reddish-brown at the disc; flesh greyish to buff-brown, thin; odor mild.

Panaeolus semiovatus

Pileus
Cap 4.0-6.0 cm broad, ovate, then paraboloid, becoming hemispheric to broadly obtuse-conic, rarely expanding to convex; margin overlapping the gills, incurved, decurved in age; surface viscid when moist, drying glossy, wrinkled, cream, to pale-tan, darker at the disc, gradually fading at maturity; context white, unchanging, soft, up to 7.0 mm thick at the disc, gradually tapered towards the margin; odor not distinctive, taste "fungal."

	Panther: Amanita pantherina
	Pileus Cap 4-15 cm broad, convex at first, then plane in age, viscid, margin striate; color variable: from buff-yellow (usually darker at the disc) to dark brown; universal veil remnants forming pointed warts. Odor mild.

	Panus conchatus
	Pileus Cap 3-9 cm broad, plano-convex becoming centrally depressed at maturity; margin wavy to lobed, inrolled when young, incurved at maturity; surface dry, minutely hairy, nearly smooth, or with small flattened scales in age; color when fresh, violet to lilac-brown, soon fading to vinaceous-brown or tan; flesh white, tough; odor and taste mild.

Parasola auricoma

Pileus
Cap 1.5-4.0 cm broad at maturity, at first ellipsoid to obtuse-cylindrical, expanding to nearly plane, the disc sometimes slightly depressed; margin incurved in youth, finely striate, becoming decurved to plane; surface of disc glabrous, lubricous when moist, with expansion the remaining cap plicate-ribbed and minutely hairy (use hand lens); disc reddish-brown to dull orange-brown, greyish-buff towards the margin; context thin, <1.0 mm, colored like the cap, unchanging; odor and taste not distinctive.

Parasola leiocephala

Pileus
Cap 1.5-3.5 cm broad at maturity, at first narrowly ovoid to ellipsoid, expanding to convex, finally nearly plane, the disc sometimes slightly depressed; margin incurved, then decurved, eventually level; surface striate-sulcate to near the disc, the latter, tawny-brown, occasionally tinged rust-brown, elsewhere the ribs pale greyish-buff; context membranous, fragile; odor and taste not distinctive

	Parrot Mushroom: Hygrocybe psittacina
	Pileus Cap 1.5-4 cm broad, convex when young, broadly convex to plane in age; color highly variable, bright green to dark green to olive green when young, changing to some shade of pink, yellow, or orange in age; surface glabrous, glutinous to viscid; flesh thin, waxy; taste and odor indistinctive.

	Paxillus involutus
	Pileus Cap 5-15 cm broad, convex, becoming broadly convex, the disc typically depressed; margin striate, inrolled except in age, then decurved; surface finely pubescent, at maturity more or less glabrous, sticky in moist weather, dingy yellowish-brown to dull brown, bruising darker where handled; flesh thick, buff-brown, slowly darkening when cut; odor mild; taste sour.

Peziza ellipsospora

Ascocarp
Ascocarp compressed-globose, 2-5 (9) cm broad, hypogeous to partially emergent, irregularly folded, cerebriform in aspect, with occasional openings to the interior; surface magenta-brown with sparse hairs; interior labyrinthoid, formed of invaginated surface folds, interspersed with narrow channels; subhymenial tissue colored like the exterior or paler; hymenium dark magenta-brown, finely pubescent; odor and taste not distinctive.

Peziza repanda

Sporocarp
Apothecium 5.0-10.0 (12.0) cm broad, sessile, cup-shaped, often irregular in outline, eventually spreading; margin incurved, then upright, finally level to recurved, crenate to lacerate; hymenium concave, even to wrinkled or furrowed, glabrous, light brown to chestnut-brown, sometimes tinged reddish-brown; exterior surface white to ash-grey, finely tomentose to furfuraceous; context thin, brittle, colored like the surface; odor and taste mild.

Peziza vesiculosa

Sporocarp
Fruiting body 2-5 cm broad, sessile, globose, becoming urn-shaped, often contorted when clustered; margin incurved, remaining so in age, at times eroded or cracked in age; hymenium (inner surface) light-brown, pale yellow-brown to medium brown, frequently convoluted or wrinkled; outer surface granulose to furfuraceous, sometimes indistinctly so when weathered, tan, pale-buff, to nearly white; flesh thin, pale yellow-brown, fragile; odor and taste mild.

Peziza violacea

Sporocarp
Fruiting body sessile, 0.5-3.5 cm broad, at first subglobose to slightly urn-shaped, becoming shallowly cupulate to nearly flat in age; margin incurved when young , then upturned, plane, to recurved, sometimes wavy; exterior surface pale-lilac in youth, then whitish to pale-tan, glabrous or furfuraceous; interior surface (hymenium) glabrous, violet in youth, dull-brown to blackish-brown at maturity; context 0.5-2.0 mm thick, pallid, somewhat translucent; odor and taste not distinctive.

	Phaeocollybia fallax
	California Fungi—Phaeocollybia fallax

	Phaeocollybia kauffmanii
	California Fungi—Phaeocollybia kauffmanii

Phaeolus schweinitzii

Pileus
Fruiting body annual, typically stipitate on the ground from roots of trees; usually compound, composed of several circular to irregularly lobed caps up to 25 cm broad; flesh soft when fresh, tough in age; surface densely hairy, smoother in age; color variable, cream to ochraceous, to yellow or green-yellow when fresh, rusty-brown to dark brown in age; staining brown to black; flesh yellowish-brown, becoming dark rusty brown in age.

Phallus hadriani

Pileus
Fruiting body arising from a buried, egg-like body, up to 5.0 cm long and 4.0 cm broad, white, soon pinkish to lilac-colored, attached to the substrate by a mycelial cord; with maturity, fruiting body rupturing, elongating to form a characteristic phallus shape, the fertile head up to 4.0 cm tall, 3.0 cm broad, sometimes calyptrate from veil fragments, attached at the stipe apex, occasionally flared at the margin; surface olive-grey, slimy when moist, coarsely reticulate; odor in age, strong, penetrating, disagreeable.

Phellinus gilvus

Sporocarp
Fruiting body annual to perennial, sessile, 5-15 cm broad, 1.5-3.0 thick, more or less fan-shaped, often forming overlapping shelves; margin when young, yellowish to yellow-brown, pubescent, elsewhere the cap surface rusty-brown to dark-brown, sometimes zonate, tending to be glabrous, but often bumpy or concentrically furrowed; flesh tough, zonate, yellow to ochraceous brown, darkening in KOH.

	Phellinus igniarius
	California Fungi—Phellinus igniarius

	Pholiota aurivella
	California Fungi—Pholiota aurivella

	Pholiota flammans
	California Fungi—Pholiota flammans

Pholiota highlandensis

Pileus
Cap 2.0-4.0 cm broad, convex, plano-convex in age; margin incurved, then decurved, minutely fringed in youth from veil fragments; surface glabrous, viscid when moist, hygrophanous, the disc rusty-brown to chestnut-brown, becoming cream to pale-tan towards the margin, drying overall to ochre-tan; context thin, approximately 1.0 mm thick, pallid to pale-yellow; odor not distinctive, taste mild.

Pholiota spumosa

Pileus
Cap 2.0-6.0 cm broad, convex to convex-umbonate, nearly plane with a low umbo at maturity; margin incurved, then decurved, level to upturned in age, sometimes wavy; surface viscid, glabrous, hygrophanous, the disc yellowish-brown to tawny-brown, with similar colored innate fibrils extending outward to a cream-buff to dingy pale-yellow margin; context cream-yellow, soft, unchanging, up to 5 mm thick near the stipe; odor and taste not distinctive.

	Pholiota terrestris
	Pileus Cap 2-8 cm broad, convex, nearly plane at maturity, umbonate; fibrillose with small brown scales over a pale buff to yellow-buff viscid layer; margin often with veil fragments, disappearing in age; flesh thin, pallid to pale brown; odor, mild.

	Pholiota velaglutinosa
	California Fungi—Pholiota velaglutinosa

	Phylloporus rhodoxanthus
	California Fungi—Phylloporus rhodoxanthus

	Phyllotopsis nidulans
	Pileus Fruiting body 2-8 cm broad, fan-shaped, convex with an incurved margin, becoming nearly plane, the margin then often wavy; surface hygrophanous, moist, densely tomentose, pale apricot-brown to buff-brown, lighter in age; flesh thin, pliant to tough, buff-brown, unchanging; odor skunk-like; taste unpleasant; stipe and veil absent.

	Pilobolus roridus
	Sporocarp Fruiting body 5-11 mm tall, arising from a basal, yellowish, hyphal swelling, i.e. a trophocyst, the latter elongating into a filamentous, hyaline stalk, yellowish at the apex when young, later swollen into an ovoid hyaline vesicle, at maturity forming a small black apical sporangium; odor not distinctive; taste not determined.

Pisolithus arhizus

Sporocarp
Sporocarp 5-20 cm tall, 4-10 cm wide, rounded to lobed, becoming club-shaped, with a sterile, yellowish-brown, fibrous, deeply rooted base; peridium thin, smooth, often shiny, yellowish-brown, dark-brown to purple brown; gleba, of tiny, pebble-sized, white to yellowish-brown, sometimes reddish-brown peridioles (spore sacs) developing in a black gelatinous matrix; at maturity the peridium crumbling apically revealing a mass of cinnamon-brown spores; odor pleasant, of mushrooms.

	Pithya cupressina
	Sporocarp Apothecia 1.0-3.0 mm broad, circular in outline, at first cylindrical, then turbinate with a short, tapered stipe; margin even, lacking hairs; disc initially slightly concave, then plane, finally convex, apricot-orange, paler when unexposed to light; disc surface glabrous to the unaided eye; exterior surface pallid from a sparse white tomentum.

	Plectania nannfeldtii
	Pileus Fruiting body a stipitate cup, 0.5-2.0 cm broad, shallowly to deeply concave; margin incurved to upturned; hymenium dark-brown to black, glabrous; exterior of cup blackish, smooth, becoming wrinkled with age or drying, covered with matted, dark-grey hairs; odor and taste not determined.

	Plicaria endocarpoides
	California Fungi—Plicaria endocarpoides

Pluteus atromarginatus

Pileus
Cap 6-11 cm broad, obtuse-conic, expanding to plano-convex to plane with or without a low umbo; margin at first incurved, then decurved to level, occasionally wavy; surface blackish-brown to dark-brown at the disc, sometimes with a satiny sheen in youth, elsewhere lighter brown, overlain with dark radial fibrils, at times fibrillose; context whitish, greyish-black beneath the cuticle, unchanging, soft, relatively thin, up to 1 cm thick; odor mild, taste mild to slightly of radish.

	Pluteus cervinus
	Pileus Cap 5-13 cm broad, convex, nearly plane in age, umbonate; dark brown to grey-brown, lighter in age; smooth to faintly fibrillose, moist; flesh soft, white; odor of radish.

Pluteus flavofuligineus

Pileus
Cap 3.0-6.0 cm broad, convex, expanding to plano-convex, often with a low umbo; margin decurved, inconspicuously striate; surface velvety-tomentose at the disc, becoming matted tomentose near the margin, sometimes appearing glabrous overall with age and weathering; color when young: medium-brown, tinted ochre, fading to pale yellowish-brown, the disc usually remaining darker; context white, unchanging, soft, thin, except up to 5.0 mm thick at the disc; odor and taste mild.

Pluteus petasatus

Pileus
Cap 5-13.5 cm broad, convex to convex-umbonate, expanding to nearly plane, at maturity the disc sometimes depressed or raised; margin in youth, incurved, then decurved, finally plane; surface sticky when moist, otherwise dry, glabrous when young, often shiny, cream-colored with pale innate, brown fibrils concentrated at the disc, the latter occasionally becoming fibrillose to squamulose; in dry weather the cap sometimes squamulose overall; context white, unchanging, soft, up 1.5 cm thick, thin near margin; odor and taste of radish.

	Pluteus pouzarianus
	Pileus Cap 4-11 cm broad, convex, in age plano-convex to plano-depressed, often with a low umbo; margin decurved to level, occasionally wavy; surface radially streaked with brown to grey-brown appressed fibrils, the disc darker, sparsely covered with a whitish to pale-tan tomentum (use hand lens); context white soft, unchanging, 5-10 mm thick; odor weakly rhapanoid, taste mild.

Podaxis pistillaris

Pileus
Cap narrowly ellipsoid to obovate, 4.0-11.0 (15) cm tall, 2.0-4.0 cm broad, not expanding, the margin fused to stipe except occasionally breaking free in senescence; surface two-layered, the outer layer cream-white, sparsely covered with flattened tan-colored scales, partially sloughing off in age, revealing a thin, brittle, glabrous cream to buff-colored inner layer, the latter eventually fissured or cracked, releasing spores; odor and taste untried.

	Polyozellus multiplex
	Habitat Grows on ground, typcially in clusters. In California only known from the northwest corner of the state in spruce/fir forests.

Polyporus elegans

Pileus
Fruiting body annual, stipitate, cap 2.0-5.0 cm broad, convex, becoming convex-umbillicate to funnel-form in profile, round to kidney-shaped in outline; margin incurved, decurved to nearly plane in age, often wavy, not striate; upper surface glabrous, cream to tan-brown; context up to 5 mm thick, pliant, tough, colored like the cap surface, unchanging when injured, cork-like when dried; odor slightly aromatic, sharp; taste, mild to slightly astringent.

	Psathyrella candolleana
	Pileus Cap 1.5-5.5 cm broad, broadly conic, then convex in age; margin wavy, hung with veil fragments when young; surface smooth, moist, occasionally cracked in dry weather, the disc light-brown to honey-brown, hygrophanous, fading to pale-buff; flesh thin, fragile, dingy-brown; odor and taste mild.

Psathyrella echiniceps

Pileus
Cap 4.0-9.0 cm broad, convex, expanding to plano-convex at maturity, sometimes with a broad umbo; margin decurved when young, frequently decorated with veil fragments; surface moist, disc matted-tomentose, dull-tawny-brown, becoming fibrillose, squamulose to squamose near the margin, the ornamentation buff to dark-brown; context cream-white, firm, up to 1.0 cm thick at the disc, unchanging or darkening slightly; odor aromatic, pungent, like that of Suillus pungens.

	Psathyrella ellenae var. yubaensis
	California Fungi—Psathyrella ellenae var. yubaensis

	Psathyrella gracilis
	Pileus Cap 1.0-4.0 cm broad, obtuse-conic, campanulate to convex-umbonate at maturity, margin striate at first, obscurely so in age; surface moist, hygrophanous, medium-brown fading to pale buff-brown, the disc usually dingy yellowish-brown; flesh very thin, colored like the cap, unchanging; odor indistinct, taste, mild.

	Psathyrella hydrophila
	Pileus Cap 2-4.5 cm broad, convex, broadly convex at maturity; surface smooth, moist, hygrophanous, chestnut-brown to rusty-brown, fading to yellow-brown to tan, the margin usually darker and appendiculate with veil fragments, the latter white, then dark-brown from maturing spores; flesh pallid, thin, fragile.

	Psathyrella longipes
	Pileus Cap 2.5-4.5 cm broad, conic, becoming broadly conic to campulate in age; margin striate, decorated with evanescent white veil fragments; surface obscurely fibrillose, glabrous in age, hygrophanous, brown, to dull mustard-brown, fading from the disc to buff-brown, pallid or whitish at maturity. Flesh, thin, pallid, fragile.

	Psathyrella longistriata
	Pileus Cap 3.0-7.0 cm broad, obtuse-conic to convex, broadly convex in age; margin incurved, then decurved, striate when moist; surface more or less glabrous, hygrophanous, hazel-brown, dingy tawny-brown, drying from the disc to lighter shades, initially covered with sparse whitish fibrils or fine scales; context watery-brown, thin, up to 5.0 mm thick at the disc; odor and taste not distinctive.

	Pseudobaeospora stevensii
	Pileus Cap 1.0-3.0 cm diameter, at first broadly conic to campanulate, in age nearly plane with a low umbo; margin incurved, then decurved, striate-sulcate at maturity, occasionally wavy to upturned; surface dry, more or less glabrous, dark-brown to mahogany-brown at the disc, lighter toward the margin, blue to blue-green with 3% KOH; context thin, pallid; odor of mushrooms, taste somewhat acrid.

	Pseudoclitocybe cyathiformis
	California Fungi—Pseudoclitocybe cyathiformis

	Pseudohydnum gelatinosum
	Sporocarp Fruiting body 2-5 cm broad, spatulate to fan-shaped; upper surface translucent, moist, slightly roughened, white to greyish-white when young, pale grey to somewhat brownish in age; hymenial surface on underside, pale grey, consisting of minute conic spines on which the spores are formed; flesh rubbery-gelatinous.

	Pseudoplectania nigrella
	California Fungi—Pseudoplectania nigrella

	Pseudorhizina californica Psilocybe
	Pileus Cap lobed to saddle-shaped, relatively broad, 5.0-12.0 (16) cm when full expanded; margin incurved to occasionally decurved, free from the stipe; surface consisting of shallow bumps and depressions, more or less glabrous, grey-brown, medium-brown, to olive-brown; sterile undersurface cream-colored, minutely tomentose; context thin, < 1 mm, cream-colored; odor and taste not determined.

Psilocybe coprophila

Pileus
Cap 1.0-2.5 cm broad, at first hemispheric, sometimes with a low umbo at the disc, becoming convex, broadly so in age; margin incurved, in age decurved to occasionally plane, fringed with evanescent whitish scales when young; surface glabrous, subviscid, translucent-striate when young and fresh, hygrophanous; color reddish-brown to dingy yellowish-brown, fading in age; context thin, colored like the cap, unchanging when cut or bruised.

	Psilocybe cyanescens
	Pileus Cap 2-4.5 cm broad, convex, becoming nearly plane with a low umbo; margin striate, often wavy, sometimes upturned in age; surface smooth, sticky when moist, hygrophanous, brown, fading to yellow-brown or buff; flesh thin, brittle in age, bruising blue.

Psilocybe montana

Pileus
Cap 0.7-1.5 (2.0) cm broad, obtuse-conic to convex, plano-convex in age, with or without a low umbo; margin decurved when young, inconspicuously fringed (use hand lens), nearly plane at maturity; surface glabrous, lubricous when moist, hygrophanous, dark-brown to mahogany-brown, translucent-striate to near the disc, fading to buff-brown; context thin, less than 1.0 mm, pallid; odor mild, taste slightly astringent or bitter.

Psilocybe subviscida

Pileus
Cap 1.0-2.0 cm broad, convex to bell-shaped, expanding to plano-convex, often retaining a low umbo; margin translucent-striate when moist, finely appendiculate, initially decurved, nearly plane at maturity; surface glabrous, cuticle subviscid, separable from the cap, hygrophanous, fading from disc to margin, at first dingy dark reddish-brown to dull medium-brown, fading to dull orange-brown, eventually tan-buff; context thin, up to 2.0 mm thick at the disc, soft, cream-buff, darkening when cut, not bluing; odor not distinctive; taste slightly bitter.

	Pulveroboletus ravenelii
	Pileus Cap 7.0-9.0 (12.0) cm broad, convex, broadly so in age; margin decurved, appendiculate in youth; surface subviscid when moist, otherwise dry, at first covered with a veil of sparse, bright-yellow tomentum which gradually disappears revealing a reddish to orange-brown ground color; context 1.0-1.5 cm thick, soft, cream-colored, unchanging to slowly bluing; odor mild; taste acidic.

	Pycnoporellus alboluteus
	Sporocarp Fruiting body annual, sessile, effused-reflexed, shelving, up to 15.0 cm in length, up to 3.0 cm in width; upper surface very thin, pale tawny-buff to apricot orange, covered with appressed hairs, reddening in KOH; odor pleasant, slightly fragrant; taste untried.

	Pyrenogaster atrogleba
	California Fungi—Pyrenogaster atrogleba

	Pyronema omphalodes
	California Fungi—Pyronema omphalodes