Fungi Species List

	Laccaria amethysteo-occidentalis
	Pileus Cap 1-6.5 cm broad, convex to plane, typically depressed with age. Surface fibrillose to scaly. Cap hygrophanous, dark purple, purple, to brownish purple; fading to grayish or buff. Flesh thin, odor mild.

	Laccaria fraterna
	Pileus Cap 1.5-4 cm broad, convex, broadly so in age, the disc sometimes slightly depressed to umbilicate; margin incurved at first, finely striate when moist, occasionally uplifted at maturity; surface hygrophanous, smooth to innately fibrillose, reddish-brown fading to buff-brown, sometimes with a darker marginal band; flesh thin, colored like the moist cap; odor faintly fungal; taste mild.

	Laccaria laccata var. pallidifolia
	Pileus Cap 1.5-5.0 cm broad, convex, becoming broadly convex, the disc sometimes depressed; margin incurved, in age decurved to uplifted, often eroded; surface hygrophanous, sometimes translucent striate, smooth to slightly fibrillose/squamulose, dull orange-brown fading to buff at maturity; flesh thin, colored like the cap, unchanging; odor, mild to slightly fruity; taste not distinctive.

Lachnellula arida

Sporocarp
Apothecia sessile to substipitae, shallowly cupulate to dish-shaped, 3-8 mm broad at maturity; margin level to incurved, often wavy, lined with short bristly brown, sometimes hyaline-tipped hairs (use hand lens); in dry weather the cup exterior frequently folded over the fertile surface; hymenium glabrous, smooth to slightly wrinkled, cream, buff, yellow to yellowish-orange; external surface densely covered with short brown hairs often matted in age; fruiting body hygroscopic, reviving after drying.

	Lachnellula calyciformis
	California Fungi—Lachnellula calyciformis

	Lachnellula fuscosanguinea
	California Fungi—Lachnellula fuscosanguinea

	Lacrymaria lacrymabunda
	Synonyms: Psathyrella velutina (Pers.) Singer; Psathyra lacrymabunda (Bull.) P. Kumm.; Lacrymaria velutina (Pers.) Konrad & Maubl.,

	Lactarius alnicola
	Pileus Cap 6-13 cm broad, convex, becoming shallowly infundibuliform; margin inrolled when young, sometimes slightly pubescent, but smooth in age; surface viscid, a mixture of yellow tones arranged in faint concentric bands; flesh, thick, white, firm; odor indistinct, taste very peppery.

	Lactarius argillaceifolius var. megacarpus
	Pileus Cap 9-21 cm broad, convex-depressed, the margin incurved, often wavy; surface viscid when moist, smooth, obscurely zonate, buff-brown, light grey-brown, sometimes spotted or mottled darker brown, at times tinged lilac, typically lighter at maturity; flesh thick, pallid to cream, unchanging; odor indistinct; taste mildly peppery.

Lactarius camphoratus: Lactarius rubidus

Pileus
Cap 1.5-4.5 cm broad, convex with a slightly inrolled margin when young, becoming nearly plane, occasionally with a small umbo but more typically with a depressed disc, the margin wavy and sometimes upturned in age; surface smooth to faintly furrowed, rusty-brown, azonate; flesh thin, brittle, pale buff-brown, unchanging, bleeding a watery latex when cut; taste mild; odor faintly of brown sugar or butterscotch.

Lactarius deliciosus

Pileus
Cap 5-13 cm broad, convex, becoming centrally depressed and vase-shaped; margin incurved, sometimes upturned in age; surface viscid when moist; color variable: various shades of orange and green arranged in concentric zones, orange often fading, while green tones continue to develop, predominating at maturity; flesh yellowish-orange, when cut yielding an orange latex soon turning green; taste, slightly bitter.

	Lactarius fallax
	California Fungi—Lactarius fallax

	Lactarius pallescens
	Pileus Cap 5-11 cm broad, convex the margin at first incurved, becoming nearly plane at maturity, the disc slightly depressed; surface viscid when moist, varnished when dry, smooth, sometimes faintly zoned, pallid, then pale grey, finally pale greyish-brown; flesh white, moderately thick, bruising lilac-purple when injured; odor, of "mushroom;" taste, mildly peppery; cuticle ochraceous in 6% KOH.

Lactarius pubescens var. betulae

Pileus
Cap 3-7 cm broad, convex-depressed, plano-depressed in age; margin at first inrolled, then incurved, finally decurved; surface sticky when moist, more or less glabrous at the disc, elsewhere matted tomentose to fibrillose, the margin densely bearded; color: cream to cream-buff, tinged pale pinkish-orange, azonate to faintly zoned; context firm, white, unchanging, a narrow zone below the cuticle colored like the cap; odor mild, taste acrid.

	Lactarius rubrilacteus
	Pileus Cap 5.0-12 cm broad, convex, margin inrolled when young, becoming plano-convex to shallowly infundibuliform in age; surface viscid when moist, banded concentrically with shades of orange; often developing green discolorations in age; flesh thick, brittle, bleeding a sparse, dark red latex when cut; taste and odor mild.

	Lactarius rubriviridus
	California Fungi—Lactarius rubriviridus

Lactarius xanthogalactus

Pileus
Cap 4-11 cm broad, convex, broadly convex to nearly plane in age, the disc often depressed; margin incurved, then decurved at maturity; surface subviscid when moist, glabrous, faintly zonate with alternating bands of pinkish-brown, reddish-brown, and orange-brown, often dotted with darker spots; context 0.5-1.0 cm thick at the disc, thin at the margin, cream-colored, yellowing quickly when injured; odor, mild; taste usually peppery.

	Laetiporus conifericola
	California Fungi—Laetiporus conifericola

	Laetiporus gilbertsonii
	Sporocarp Fruiting body annual; sessile to substipitate, consisting of overlapping, rounded fleshy shelves, 7-55 cm broad, upper surface smooth to roughened, yellow with reddish-orange to orange bands, margin yellow, irregular; flesh 2-3 cm thick, white to yellow; lower surface finely pored, bright yellow; in age fruiting body becoming dry, white and crumbly.

	Lantern Stinkhorn: Lysurus mokusin
	Common Name: Lantern stinkhorn

	Leccinum brunneum
	California Fungi—Leccinum brunneum

	Leccinum discolor
	California Fungi—Leccinum discolor

	Leccinum manzanitae
	Pileus Cap 5-18 cm broad, rounded, becoming convex, finally broadly convex to nearly plane; surface pitted with appressed fibrils, dark red to reddish-brown, viscid when moist; margin incurved when young with fragments of sterile tissue; flesh thick, white, darkening when cut, especially in young specimens; odor and taste mild.

Leccinum scabrum

Pileus
Cap 5.0-14.0 cm broad, convex, broadly convex in age with a decurved margin; surface when young, dingy-tan, dull, matted-tomentose, subviscid, occasionally areolate; at maturity sometimes weathering glabrous, becoming viscid, medium-brown to dull olive-brown; context soft, up to 1.5 cm thick, cream-colored, unchanging or occasionally faintly pink or blue where cut or injured; odor and taste mild.

	Lentaria mucida: Multiclavula mucida
	Synonyms: Clavaria mucida Pers.; Lentaria mucida (Per.) Corner

Lentinellus montanus

Pileus
Fruiting body fan to kidney-shaped, sessile to sub-stipitate, if the latter then lateral in attachment; cap 2.5-10.0 cm broad, 2.0-5.0 cm in width, i.e. from margin to disc; cap at first convex with an incurved, wavy margin, in age plane to slightly upturned; surface of margin glabrous, buff to dingy-tan, becoming dark-brown to vinaceous-brown towards the disc, the latter typically matted-tomentose to hirsute; context up to 0.5 cm thick, white, soft; odor indistinct; taste latently acrid.

	Lentinellus ursinus
	California Fungi—Lentinellus ursinus

Lentinus ponderosus: Neolentinus ponderosus

Pileus
Cap 7.0-30.0 cm broad, convex, becoming plano-convex, the disc at maturity typically depressed to umbilicate; margin inrolled becoming decurved to plane; surface dry, glabrous, often with broad, buff-brown to light-brown, appressed scales over a cream-colored background, patchy areolate in dry weather, tending yellowing where handled or in age and sometimes deep tawny-brown to orange brown in old specimens; context, white, firm, tough, up to 1.5 cm thick, unchanging or erratically yellowish to tawny-brown where injured, e.g. worm holes; odor mild, spicy-aromatic in some collections; taste mild.

	Lentinus torulosus: 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.

Lenzites betulina

Sporocarp
Fruiting body annual or short-lived perennial, 2-10 cm broad, 0.5-2.0 cm thick, at first resupinate, then forming sessile, fan-shaped, tiered brackets or occasionally rosettes emanating from a common base; surface tomentose, concentrically-zoned, often multi-colored, cream, pale-buff, dingy yellow-brown, or greyish-brown, in age sometimes green from encrusted algae; flesh thin, pliant, becoming tough, cork-like, white, unchanging; odor and taste mild.

Lepiota atrodisca

Pileus
Cap 1.5-4.0 cm broad, convex, expanding to nearly plane, the disc often slightly umbonate; margin at first incurved, then decurved, finally plane to upturned; surface dry, tomentose at the disc, dark-grey to blackish, cuticle cracking with expansion to form a covering of fine blackish scales, less dense toward the margin, revealing a pallid ground color; cuticle unchanging when bruised but sometimes developing yellowish-buff areas in age; context very thin, 1-2 mm thick, soft, white, unchanging; odor and taste mild.

Lepiota cepaestipes: Leucocoprinus cepaestipes

Pileus
Cap 1.5-4.5 cm broad, at first narrowly ovoid, truncate at the apex, the margin conspicuously pinched to the stipe, in age the cap expanding to hemispheric, campanulate, occasionally broadly convex but seldom plane, a flattened umbo usually apparent at maturity; margin incurved, then decurved, striate, readily splitting, often hung with scattered veil fragments; surface dry, white to cream-colored, the disc smooth, elsewhere initially appressed fibrillose, soon developing small white to cream-colored scales turning buff-brown in age; flesh soft, thin, white, unchanging; odor and taste mild.

	Lepiota clypeolaria: Lepiota magnispora
	Pileus Cap 3-7 cm broad, egg-shaped, then campanulate, finally convex to nearly plane with a low umbo; surface dry, with buff-yellow to brownish scales shading to a smooth, brown disc; margin ragged with yellowish veil fragments; flesh thin, white to yellowish; odor and taste not distinctive.

	Lepiota castaneidisca
	Pileus Cap 1.5-4.5 cm broad, convex, nearly plane in age, often umbonate; surface at first smooth, reddish-brown at the disc, shading to a lighter margin, the cuticle, except at the disc, soon breaking up into concentrically arranged scales revealing underlying white tissue; flesh thin, white; odor pungent.

	Lepiota lutea: Leucocoprinus birnbaumii
	Pileus Cap 2.0-5.0 cm broad, obtuse-conic to bell-shaped, broadly conic in age, margin at first incurved, then decurved to plane, conspicuously striate; surface more or less smooth at the disc, elsewhere sqaumulose or matted tomentose; color bright yellow to fluorescent yellow, soon fading to dingy, pale yellow; flesh thin, soft, fragile, unchanging; odor: strongly of "mushrooms;" taste, mild.

	Lepiota naucina: Leucoagaricus leucothites
	Pileus Cap 4.0-9.0 cm broad, hemispherical, becoming convex, plano-convex in age; margin incurved, then decurved, sometimes appendiculate from veil fragments; surface glabrous to appressed-squamulose in dry weather, less commonly radially cracked; color dull-white to buff, occasionally tinged grey, the disc darker; flesh white, soft, thick, unchanging when cut; odor and taste mild.

Lepiota roseifolia

Pileus
Cap 2.0-5.5 cm broad, convex, becoming nearly plane, the disc sometimes slightly depressed; margin at first incurved, then decurved, occasionally wavy at maturity; surface dry, tomentose, dark brown at the disc, elsewhere the cuticle becoming fibrillose-squamulose, the scales more dispersed towards the margin, revealing a pallid context; cuticle staining pinkish-orange where injured, then becoming dark-brown; context white, soft, thin, up to 3 mm thick, discoloring irregularly pinkish-orange where cut; odor and taste mild.

	Lepiota roseolivida
	Pileus Cap 2-4 cm broad, convex, expanding to plano-convex; margin at first incurved, then decurved; surface dry, matted tomentose at the disc, elsewhere fibrillose to finely scaled; color: dark purple at the disc, shading to vinaceous-purple at the margin, in age vinaceous-brown; context firm, thin, white, unchanging; odor when fresh, mild, when old, of fish; taste mild.

	Lepiota rubrotincta: Leucoagaricus rubrotinctus
	Pileus Cap 2-6 cm broad, rounded to ovoid, becoming convex, in age nearly plane with an umbonate disc; surface at first smooth, the disc various shades of brown shading to a lighter margin, cuticle soon splitting, becoming radially fibrillose, revealing zones of underlying white tissue; flesh thin, white, unchanging; odor and taste mild.

	Lepista nebularis: Clitocybe nebularis
	Pileus Cap 5-25 cm broad; convex with an incurved margin, becoming plane to depressed; color greyish to light brownish grey; surface dry to moist, radially fibrillose; flesh thick, white; odor unpleasant, slightly farinaceous to rancid or skunky.

	Lepista nuda: Clitocybe nuda
	Pileus Cap 4-14 cm broad, convex, becoming nearly plane in age, margin inrolled, wavy, sometimes upturned at maturity; surface smooth, moist, violet to lilac, fading to tan; flesh soft, pale-lilac; odor fragrant, taste mild.

Lepista tarda: Clitocybe tarda

Pileus
Cap 2-6 cm broad, convex, expanding to nearly plane, in age often shallowly depressed, with an inconspicuous umbo; margin at first incurved, then decurved, eventually plane to slightly upturned, wavy to lobed, not striate, or if so obscurely; surface glabrous, moist, somewhat waxy in aspect, hygrophanous; color when fresh, medium brown, occasionally tinged lilac, darkest at the disc, shading to a paler margin, in age tan-buff overall; context whitish to pale-buff, soft, thin, 1-4 mm thick, odor indistinct, taste, like that of Agaricus bisporus.

	Leratiomyces ceres
	Pileus Cap 2.5-6.0 cm broad, convex, becoming broadly convex, obtusely umbonate, margin with veil fragments disappearing in age; surface subviscid when moist, otherwise dry, smooth, reddish-brown to orange-brown; flesh thin, pale colored with pinkish tones below the cuticle; odor and taste mild.

	Leratiomyces cucullatus
	Pileus Cap narrowly conic, 1.0-2.5 cm tall, 0.5-1.0 cm broad near margin, the latter often pinched and persistently adherent to the stipe; surface wrinkled, faintly striate, lustrous, cream-buff with scattered tawny-brown squamules concentrated at the margin; in age, cap ochre-buff at disc, cream-grey near margin; context thin, < 1 mm, soft, colored like the cap surface; odor and taste mild.

	Leucoagaricus americanus
	Synonyms: Agaricus americanus Peck; Lepiota americana (Peck) Sacc.; Lepiota bresadolae Schulzer

	Leucoagaricus barssii
	Pileus Cap 4.0-13.0 cm broad, hemispherical in youth, expanding to plano-convex, with or without a low umbo; margin at first incurved, fringed, becoming decurved, sometimes upturned in age; surface fibrillose to squamulose, the ornamentation pallid to greyish-brown, if the latter, darkest at the disc; context thick, white, tinged greyish-tan near the cuticle; odor and taste strongly fungal.

	Leucogaster rubescens
	California Fungi—Leucogaster rubescens

	Leucopaxillus albissimus
	Pileus Cap 4-20 cm broad, convex becoming plane, the disc sometimes depressed, margin incurved when young and faintly striate; surface dry, unpolished, smooth but finely scaled in dry weather, cream to cream-buff, lighter at the margin, in age turning buff-tan; flesh white, moderately thick, odor mild; taste fungal, but unpleasant.

	Leucopaxillus amarus: Leucopaxillus gentianeus
	Pileus Cap 5-11 cm broad, convex, expanding to plano-convex, sometimes with a broad umbo; margin at first incurved, becoming decurved, obscurely to conspicuously striate; surface smooth, dry, dull, reddish-brown to cinnamon brown, the margin lighter; flesh thick, white; taste bitter, odor usually unpleasant.

	Lichenomphalia umbellifera
	Synonym: Omphalina ericetorum (Pers.) M. Lange; Phytoconis ericetorum Redheand & Kuyper; Gerronema ericetorum (Pers. : Fr.) Sing.

Lobster mushroom: Hypomyces lactifluorum

Sporocarp
Fruit-body a bright-orange mold growing on the surface of members of the Russulaceae (in California usually Russula brevipes); gills of the parasitized host reduced to folds; in age, minute, reddish-orange perithecial mounds develop (use hand lens); context of host firm, brittle, if Lactarius, then oozing a latex; odor at first fungal, then of shellfish; taste mild in R. brevipes, potentially peppery if Lactarius.

Longula texensis

Pileus
Cap 4-10 cm tall, 4-7 cm broad, subglobose, ovoid or convex; margin fused to the stipe for most of development, at maturity sometimes pulling partially away; surface dry, at first nearly glabrous, soon breaking up into appressed to raised, tan or brown scales, revealing an underlying whitish context, the latter firm, fleshy, bruising yellowish; in age the cap and context drying becoming tough, brittle, tending to split longitudinally, exposing contorted gill tissue.

	Lycoperdon curtisii
	Synonym: Vascellum curtisii (Berk.) Kreisel

Lycoperdon molle

Sporocarp
Fruiting body 2.5-6.0 (8.0) cm tall, 2.5-5.0 (7.0) cm broad, pyriform to turbinate, with a well developed pseudostipe, pleated at the base, attached to the substrate with thin rhizoids; exoperidium cream to pale-buff, maturing tan, greyish-brown to medium-brown, covered with a mixture of granules and short spines, the latter solitary or grouped with fused tips; exoperdium persistent overlying a papery, buff to pale-tan endoperidum; gleba white, becoming yellowish-green, maturing dark-brown, elastic; subgleba alveolate, dark olive-brown with lilac tints, taking up approximately half of the fruiting body; sporocarp dehiscing via a late-forming apical pore; odor and taste untried.

Lycoperdon nigrescens

Sporocarp
Fruiting body 2.0-5.0 cm tall, 2.0-3.5 cm broad, subglobose to pear-shaped, with or without a well developed pseudostipe, at maturity opening via an apical pore; exoperidium, a covering of brown to blackish-brown spines >1 mm in length, typically joined at the tips, the area between the spines covered with a thin tan-colored tomentum; endoperidium papery, buff to pale-tan, in age reticulate from scars left by the deciduous spines; gleba whitish, soon olivaceous, medium-brown at maturity; subgleba alveolate, olivaceous-brown, sometimes with lilac tints; odor and taste not determined..

Lycoperdon umbrinum

Sporocarp
Fruiting body 2.0-4.0 (5.0) cm tall, 2.0-3.0 cm broad, pear-shaped to turbinate, gradually to abruptly tapered below to a well developed pseudostipe, the latter attached to the substrate by thin, white rhizomorphs; exoperidium a mixture of dark-brown to blackish-brown, short spines, < 1 mm in height, typically grouped and united at the tips, plus minute warts, in age sloughing away from the apex; endoperidium before maturation visible between the spines, cream-yellow, to brassy-yellow, paper-thin; gleba white at first, becoming yellowish-olive, at maturity brown to olive-brown; subgleba alveolate, buff-brown to ochre-brown with lilac tints; odor and taste not determined.

	Lycoperdon perlatum
	Sporocarp Fruit body 2-9 cm tall, 2-4 cm broad, subglobose to pyriforme to elongated pyriforme, at maturity with an apical pore for spore dispersal; ground color white to pallid to pale brown; surface composed of conical spines, 1-2 mm tall, surrounded by a persistent circular row of warts; spines white to pallid to pale brown, leaving scars as they fall off.

Lycoperdon pusillum: Bovista dermoxantha

Sporocarp
Fruiting body 1.5-3.0 (4.0) cm broad, globose to pulvinate, attached to the substrate by one or more root-like rhizomorphs; exoperidium persistent, white, at first tomentose-subflocculose, soon breaking up into buff to tan-tipped areolae or fine warts, with age exposing an ochre-brown to medium-brown, glabrous, papery-thin endoperidium; spores released via a ragged apical pore; gleba soft, white, soon yellowish-olive to olive-brown, medium-brown at maturity; subgleba present or absent, if present, a thin layer of compact tissue, appearing cellular only with a handlens; odor and taste not distinctive.

	Lycoperdon pyriforme: Morganella pyriformis
	Synonym: Lycoperdon pyriforme (Schaeffer: Persoon)

	Lyophyllum decastes
	Pileus Cap 4-14 cm broad, convex, becoming plane; margin incurved when young, lobed to irregular, sometimes upturned in age; surface smooth, grey to grey-brown, moist to lubricous; flesh thin, white, odor mild.