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According to our data Hebeloma fimbriatus is not the name of a current valid species of Hebeloma. Our database has records for the following similar names
Full name: Cortinarius fimbriatus Murrill (1945)
Published: Lloydia 7 (4): 317 (1945) ["1944"]
Taxonomic status: Heterotypic synonym of H. albidulum
Types: UNITED STATES: Florida: Alachua, Near Gainesville, Old Micanopy Road (approx. 29.5541°N, 82.3243°W, alt. approx. 25 m a.s.l.) on soil under Quercus virginiana, 21 Jan. 1940, W.A. Murrill (Holotype. herbarium acc. no. FLAS-F-22504, HJB1000582).

Original diagnosis: Pileo convexo-subexpanso 5-7 cm. lato, subviscido, glabro, isabellino; lamellis sinuatis, confertis, pallidis, fimbriatis; sporis subovoideis, levibus, 11 x 6 µ; stipite glabro, albo, 4-6 x o.8-1.3 cm.

English translation: Pileus convex to subapplanate 5-7 cm broad, subviscid, glabrous, isabelline; lamellae sinuate, crowded, pale, fimbriate; spores subovoid, smooth, 11 x 6 μ; stipe glabrous, white, 4-6 x 0.8.1.3 cm.

Commentary: With the mainly gently clavate and clavate-ventricose cheilocystidia, over 40 µm long, and the spores amygdaloid and rather strongly dextrinoid this belongs to Hebeloma sect. Velutipes. Within this section of the genus, the spores with a consistently loosening perispore, on ave. less than 11.5 × 7.5 µm, with a very strong papilla, and the absence of pleurocystidia, would indicate that this is most likely Hebeloma albidulum. Hence this taxon should be synonymized with H. albidulum. Unfortunately, it was not possible to generate any DNA sequence data from this material. Singer left a herbarium note (undated) suggesting this was a species of Hebeloma. Stuntz examined the holotype in 1976 and also left a herbarium note: “I think this is a Hebeloma which would account for the fimbriate lamellar edges and the pruinate-punctate apex of the stipe.”. Halling (1986) pointed out that Singer considered this to be a Hebeloma but it appears that no follow up had occurred. Since the synonymy with H. albidulum is clear, the recombination into Hebeloma is superfluous. Based on morphological analysis, this is: = H. albidulum Peck.

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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