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Taxonomy

Collection 1000296 (herbarium acc. no. L910.255-852, L L0115239) is the neotype of Hebeloma mesophaeum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 1000296 was collected by C.H. Persoon in FRANCE . The ectomycorrhizal families Pinaceae (genus Pinus) and Fagaceae (genus Quercus) were present.

    The surrounding habitat was described as woodland, corresponding to the IUCN habitat We map from the collector's description of the habitat to the International Union for Conservation of Nature (IUCN)'s definition using a standardised set of rules. Please see this page for a full list of IUCN habitats. 1.4: Forest – Temperate.

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: yes.

    Pileus: up to 38 mm diameter; shape umbonate strongly; margin characters not recorded; viscosity tacky when moist; spotting no; hygrophanous no; colour variation two-colour; with colour at centre not recorded; and colour at margin not recorded; with remains of universal veil not recorded.

    Lamellae: attachment adnexed; maximum depth up to 6 mm; number of complete lamellae 40; tears absent; white fimbriate edge weak.

    Stipe: 50–100 x 4–6 {median} x 4–6 {basal} mm; stipe Q 12.5–15.4; base cylindrical; floccosity fibrillose, pruinose; rooting no; mycelial chords no.

    Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base not recorded; slenderness measure 28.5; smell raphanoid; taste raphanoid.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: normal.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape ellipsoid; colour through microscope yellow; guttulate no; papillate no; Spore Code: O1; P0; D0.

    Basidia: analysis not yet complete.

    Cheilocystidia: main shape lageniform, ventricose; special features many collapsed in exsiccata; Cheilocystidia Ratios: A/M = 0.96; A/B = 0.56; B/M = 1.74.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(8.2) 8.3–10.2 (10.7)9.39.20.670
    Width (µm)(4.8) 5.1–6.1 (6.4)5.65.60.340
    Q(1.35) 1.51–1.81 (1.90)1.671.670.1

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length40–47 (48)43423.17
    Apex Width(3.2) 3.5–6.14.64.60.850
    Median Width(3.9) 4.0–5.14.64.60.45
    Basal Width(7.1) 7.2–8.7 (8.9)7.97.90.62
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (None)--- °C--- °C--- mm
    Collection month (None/None)--- °C--- °C--- mm
    Max month (None)--- °C--- °C--- mm

Compare this collection to its species

This section compares data for this collection against its true species and also against the most likely species as determined by our identifier. More often than not these will be the same species, but where this is not the case, the data may be used to help explain why the identifier got it wrong.

Image gallery

Detailed statistics

Spore measurementsMy valueSpecies mean valuePosition
Count 50.0 65.23 78th–89th/115
Average length 9.3 9.24 55th–64th/118
Average width 5.6 5.58 53rd–67th/118
Standard deviation of length 0.67 0.61 32nd–34th/110
Standard deviation of width 0.34 0.32 35th–41st/110
Median length 9.2 9.25 58th–65th/110
Median width 5.6 5.60 49th–65th/110
Minimum length 8.2 7.89 32nd–38th/112
Minimum width 4.8 4.89 67th–76th/112
Low length 8.3 8.33 56th–64th/112
Low width 5.1 5.13 62nd–69th/112
High length 10.2 10.20 58th–61st/112
High width 6.1 6.11 57th–70th/112
Max length 10.7 10.67 57th–67th/112
Max width 6.4 6.38 51st–65th/112
Spore featureValueCommonalities
Ornamentation O1 99% of collections
Perispore loosening P0 99% of collections
Dextrinoidity D0 87% of collections