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According to our data Hebeloma neerlandica is not the name of a current valid species of Hebeloma. Our database has records for the following similar names
Full name: Hebelomina neerlandica Huijsman (1978)
Published: Persoonia 9 (4): 490 (1978)
Taxonomic status: This is a Gymnopilus.
Notes: Replacment name for Hebelomina microspora Huijsman (1946) and Hebelomina microspora Huijsman ex Huijsman (1978). Current name: Gymnopilus neerlandicus (Huijsman) Contu, Boll. Assoc. Micol. Ecol. Romana 73–74: 16 (2008).

Types: NETHERLANDS: Overijssel, prov. Overijssel nr Rijssen (approx. 52.48°N, 6.42°E, alt. approx. 35 m a.s.l.) on fallen branch in mixed woodland under Pinus sylvestris, 24 Oct. 1943, W.F. Smits, W.J. Reuvecamp, det: H.S.C. Huijsman (Holotype. herbarium acc. no. L0053521, HJB1000038).

Homotypic synonyms: Hebelomina microspora Huijsman (1946); Hebelomina microspora Huijsman ex Huijsman (1978); Hebelomina huijsmaniana Singer (1986)

Original diagnosis: Pileo 20-40(50) mm, primo hemispherico-convexo, margine involuto, velo fugaci cum stipite apice conjuncto, orbiculari, mox expanso, saepe obtuse ac late umbonato; aetate margine inflexo, undato-sublobato vel irregulari, raro ab initio margine cum eodem sociorum concreto; interdum primitus veli reliquis minutis sparse obtecto, subfragili, haud hygrophano, centro viscidulo, principio albo, demum pallide alutaceo-ochraceo, saepe plus minusve incarnate immixto, nonnunquam cum scrobiculis dispersis diam. 1-4 mm concoloribus sed magis pilei superficie saturatis ornato. Lamellis mediocriter confertis, attenuato-adnatis vel subemarginatis, denique subdecurrentibus, usque ad 4-4,5 mm latis, albis dein pileo concoloribus; acie integra. Stipite e ramulo Pinus orto, 35-45 x 3-12 mm, centralis vel subexcentrico, primo vulgo verticali, postea ascendenti vel decumbenti, subaequali vel deorsum dilatato, cortice satis duro, medulla spongiosa farcto, aetate striato vel subsulcato, apice vix pulverulento, fibrillis veli mox evanescentibus, albido. Carne haud crassa, alba; odore primo iodoformi reminiscenti (sec. Smits), dein subnullo; sapore amarissimo. Sporis in cumulo pertenui albis, in herbario - multis annis post, sub micr. - stramineis 6,5-7,8 x 4,2-4,6 μm, amygdaliformibus, levibus, crassotunicatis, distincte dextrinoideis. Basidiis +/- 29 x 6,5 μm, granuliis carminophilis carentibus, 4-sporigeris. Pilis marginum lamellarum 30-40 x 6-9 μm, inferne inflates, superne leviter dilatatis. Trama lamellarum regulari. Pileipelle indistincter bistrata: suprapelle ± 25 μm crassa, e hyphis confertis repentibus perangustis, membrana gelificata, extructa; subpelle e hyphis crassioribus, haud gelificatis, in hyphis intermixtis caris gradatim transeuntibus. Stipitipellis ad apicem solo nonnulis hyphis emergentibus praedita. Fibulis frequentibus. Habitatio et distributio: gregatim ad ramulos dejeetos Pinis silvestris in silva mixta.

English translation: Pileus 20–40(–50) mm, hemispherical-convex at first, with involute margin, connected to the stipe with fugacious veil, circular, soon expanding, often broadly and bluntly umbonate, with age inflexed, undulate-sublobate or irregular margin, rarely from the beginning margin confluent with those of neighbouring specimens, sometimes in the beginning covered with minute velar remnants, subfragile, not hygrophanous, centre viscid, white at first, then pale yellow-ochre, often more or less mixed with flesh-colour, sometimes ornamented with scattered water-spots, 1-4 mm diam., concolourous but more saturated than the rest of the pileal surface. Lamellae moderately crowded, attenuate-adnate or subemarginate, finally subdecurrent, up to 4–4.5 mm broad, white then with same colour as pileus, with entire edge. Stipe growing on pine needles, 35–45 × 3–12 mm, central or subexcentric, at first usually vertical, later ascending decumbent, subequal or swollen at base, cortex rather hard, medulla stuffed, with age striate or subsulcate, scarcely pruinose at apex, velar fibrils soon disappearing, white. Context not thick, white; odour at first reminiscent of iodoform (according to Smith), then practically absent; taste very bitter. Spores in thin layer white, in herbarium, many years later, and under microscope straw-yellow, 6.5–7.5 × 4.2–4.6 μm, amygdaloid, smooth, thick-walled, distinctly dextrinoid. Basidia +/- 29 × 6.5 μm, lacking carminophilous granules, four-spored. Marginal hairs 30–40 × 6–9 μm, inflated below, slightly broadened at apex. Lamellar trama regular. Pileipellis indistinctly bilayered: suprapellis about 25 μm thick, made up of wavy, narrow hyphae with gelatinized wall; subpellis of wider hyphae which are not gelatinized, gradually passing into intermixed hyphal layer. Stipitipellis at apex only provided with some emerging hyphae. Clamp connections abundant. Habit and distribution: in groups on branchlets of Pinus sylvestris in mixed woodlands.

Commentary: We have studied the holotype and, while we have not been able to generate an ITS sequence, we have no doubt that this is a species of Gymnopilus P.Karst. The original description (Huijsman 1978) described the habitat as fallen branchlets of Pinus sylvestris. This would be typical for lignicolous saprotrophes. The yellow trama, the small ellipsoid spores, the epicutis without ixocutis and the shape of the cheilocystidiaall indicate Gymnopilus. The formal transfer to this genus was done by Contu in Cittadini et al. (2008).We have studied the holotype of this ‘Hebelomina’ and, while we have not been able to generate an ITS sequence, we have no doubt that this is a species of Gymnopilus P. Karst., and, indeed, it has since been recombined into that genus as Gymnopilus neerlandicus (Huijsman) Contu.

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