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According to our data Hebeloma ochroalbidum is not the name of a current valid species of Hebeloma. Our database has records for the following similar names
Full name: Hebeloma ochroalbidum Bohus (1972)
Published: Annales Historico-Naturales Musei Nationalis Hungarici 64: 71 (1972)
Taxonomic status: Heterotypic synonym of H. eburneum
Types: HUNGARY: Fot Com. Pest (approx. 47.5°N, 19.4°E, alt. approx. 225 m a.s.l.) on sandy soil in deciduous woodland under Populus sp., 20 Oct. 1971, I. Schumeth, det: G. Bohus, M. Babos (Holotype. herbarium acc. no. BP 48.427, HJB1000052).

Original diagnosis: Pileus 5,5-10 cm in diam., convexus-deplanatus carnosus albidus in medio pallide ochraceus ex toto albido-ochraceus vel pallide ochraceus glaber pluviis diebus viscidus initio margine incurvatus. Lamellae usque ad 5 mm latae, initio pallidae, dein plus-minus isabellino-ochraceae, demum sordide brunneae, acie sub vitro optico manifeste albide ciliatae, pluviis diebus guttulatis aquosis instructae. Stipe 4-8 cm altus, 1-2 cm crassus, cylindricus vel ad basin parum incrassatus, albus, ex toto, imprimis autem superius subtiliter flocculoso-furfuraceus, firmus. Caro albus, albidus, reactiones chemicae: per tinctorum guajaci brunneus, per ammoniam, formaldehydum solutum, solutionem guajacoli, ferrum sulphuricum oxydatum, solutionem Lugol, acidum nitricum, phenol-analinum, solutionem Pyramidon, natrium hydroxidatum immutatus. Sapor non distinctus. Odor plerumque absens, vel parum raphanaceus. Sporae 10,5-12,5(-14) x 5,5-7(-8,5) μm, amygdalae-formes, dense insigniterque punctatae, pariete crassae, melleae. Basidia tetraspora, clavata, 25-35 x 7-11 μm. Cheilocystidia numerosa, clavata, cylindracea, nonnunquam subventricosa, peduncula longuisculo, hyaline, (45-)60-90 x (5-)7-9 μm. Sporae in cumulo sordide brunneae.

English translation: Pileus 5.5–10 cm in diam., convex-expanded, fleshy, whitish and in the centre pale ochre, entirely whitish ochre or light ochre; smooth; in wet weather viscid; margin at first incurved. Lamellae up to 5 mm wide; at first pale, them more or less Isabella-ochre, at length sordid brown; edge under magnifying glass white setulose (ciliate); with watery drops in wet weather. Stipe 4–8 cm high, 1–2 cm wide; cylindrical or with a thicker base; white; entirely but especially upwards fine floccose-grained; firm. Flesh white, whitish; chemical reactions: with guaiac tincture brown, with ammonia, formalin, guaiacol solution, iron sulphate, Lugol reagent, nitric acid, phenol-aniline, pyramidon solution and sodium hydroxide negative. Taste not distinctive. Odour mostly absent or a little radish-like. Spores 10.5–12.5(–14) × 5.5–7(–8.5) μm, amygdaloid, densely and conspicuously punctate, thick-walled, melleous. Basidia four-spored, clavate, 25–35 × 7–11 μm. Cheilocystidia numerous, clavate, cylindrical, sometimes subventricose, with a longer peduncle, hyaline, (45–)60–90 × (5–)7–9 μm. Spore print sordid brown. In poplar woodlands on a sandy substrate.

Commentary: We have examined the holotype both morphologically and molecularly and this is: = Hebeloma eburneum Malenςon.

All current species: aanenii | adherens | aestivale | albidulum | alboerumpens | albomarginatum | album | alpinicola | alpinum | ambustiterranum | aminophilum | ammophilum | angelesiense | angustilamellatum | anthracophilum | arcticum | asperosporum | aurantioumbrinum | australe | avellaneum | bellotianum | birrus | bulbiferum | catalaunicum | caulocystidiosum | cavipes | celatum | cinnamomeum | circinans | cistophilum | citrisporum | cohaerens | colvinii | crustuliniforme | cylindrosporum | danicum | discomorbidum | duracinoides | eburneum | echinosporum | erebium | erumpens | excedens | flavidifolium | fuscatum | fusisporum | geminatum | grandisporum | griseopruinatum | harperi | helodes | hiemale | ifeleletorum | immutabile | incarnatulum | indicum | ingratum | ischnostylum | islandicum | kelloggense | lactariolens | laetitiae | laterinum | leucosarx | limbatum | lindae | louiseae | luchuense | luteicystidiatum | lutense | mackinawense | magnicystidiatum | marginatulum | matritense | mediorufum | melleum | mesophaeum | minus | monticola | nanum | nauseosum | naviculosporum | neurophyllum | nigellum | nitidum | nothofagetorum | odoratissimum | olympianum | pallidolabiatum | paludicola | parcivelum | parvicystidiatum | parvisporum | pascuense | perexiguum | plesiocistum | populinum | porphyrosporum | praeolidum | psammophilum | pseudoamarescens | pseudofragilipes | pubescens | pumilum | pungens | pusillum | quercetorum | radicans | radicosoides | radicosum | rostratum | sacchariolens | sagarae | salicicola | sarcophyllum | serratum | sinapizans | sordescens | sordidulum | spetsbergense | sporadicum | subaustrale | subconcolor | subfastibile | subtortum | syrjense | theobrominum | vaccinum | velatum | velutipes | vesterholtii | victoriense | vinosophyllum | viscidissimum | youngii

All related names: aberrans | aeruginosum | affine | agglutinatum | aggregatum | alabamense | alachuanum | albiceps | albidocortinatum | albidocortinatus | albipes | albocolossum | albocrenulatum | albocrenulatus | alvarense | amarellum | angustifolium | angustifolius | angustilamellata | angustispermum | angustisporium | apolectum | apolectus | appendiculatum | aprile | arenicolor | arenosum | argentinum | ascophorus | asperulatum | atrifulvifolium | atrobrunneum | atrosanguineum | augusti | aurantiellum | austroamericanum | bakeri | barrowsii | bellotianus | bicoloratum | bingolense | birra | boulderense | broadwayi | bruchetii | brunneifolium | brunneodiscum | brunneomaculatum | bryogenes | bubalinum | bulbaceum | bulbosum | busporus | caespitosum | californicum | calvinii | calyptrosporum | canariense | candidipes | capniocephalum | capniocephalus | catervarium | catervarius | cerussatum | ceskae | chapmaniae | chlorophyllum | cinchonense | cinereostipes | cinereum | claviceps | 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parvifructum | parvifructus | patriciae | peckii | perangustisporium | perfarinaceum | perigoense | permollis | perpallidum | perplexum | petiginosum | petiginosus | petrakii | piceicola | pinetorum | pitkinense | platense | polare | politum | porcatosporum | praecaespitosum | praecox | praefarinaceum | praefelleum | praefinitum | praefinitus | praelatifolium | praeviscidum | proletaria | proximum | psammicola | psamminum | psamminus | pseudofastibile | pseudomesophaeum | pseudopunctatum | pseudostrophosum | pudica | pumiloides | punctata | punctatiforme | punctatum | punctatus | pyrophilum | pyrrholepidum | pyrrholepis | queletii | radicatum | radicatus | radicosa | radicosus | remyi | repandum | repandus | riparium | rivulosum | robustum | ruber | rubrofuscum | rubrum | rufosporum | salmonense | sambucinum | sambucinus | sanjuanense | sarcophyllus | scabella | scabellum | senatum | senescens | sericipes | siegelii | siennaecolor | simile | sinapiolens | sinuosa | sinuosum | sinuosus 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