menu
×

Taxonomy

Collection 11977 is Hebeloma discomorbidum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 11977 was collected by H.J. Beker, M.L. Beker on 13th August 2007 in Bjorndalen, SVALBARD (78.2359°N, 15.3337°E, altitude approximately 25 m above sea level - Google maps). The ectomycorrhizal family Salicaceae (genus Salix) was present.

    The surrounding habitat was described as arctic tundra pastureland with a substrate of soil, 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. 4.1: Grassland – Tundra.

    According to the GPS data the collection was in the Koppen climate code ET (Polar, tundra).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: yes.

    Pileus: 12–18 mm diameter; shape umbonate; margin characters smooth; viscosity tacky when moist; spotting no; hygrophanous no; colour variation two-colour; with colour at centre fuscous; and colour at margin dark pinkish buff; with remains of universal veil no.

    Lamellae: attachment emarginate; maximum depth up to 3 mm; number of complete lamellae 41; tears absent; white fimbriate edge weak.

    Stipe: 21–37 x 3–4 {median} x 3–4 {basal} mm; stipe Q 7.0–10.0; base cylindrical; floccosity fibrillose; rooting no; mycelial chords no.

    Context: texture firm; stipe interior stuffed; stipe flesh discolouring from base yes; slenderness measure 17.0; smell raphanoid; taste not recorded.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: analysis not yet complete.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape amygdaloid, limoniform; colour through microscope not recorded; guttulate not recorded; papillate weak; Spore Code: O1; O2; P0; D2; D3.

    Basidia: 24.9–27.0 x 7.5–8.6 μm; ave. Q = 3.3; basidia spore nature not recorded.

    Cheilocystidia: main shape lageniform, ventricose; special features geniculate, septa; Cheilocystidia Ratios: A/M = 1.15; A/B = 0.60; B/M = 1.94.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(10.9) 11.1–13.8 (14.8)12.312.00.900
    Width (µm)(6.1) 6.3–7.4 (8.0)6.86.70.360
    Q(1.58) 1.61–2.01 (2.04)1.811.820.12

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length42–4543421.64
    Apex Width(4.0) 4.1–6.0 (6.5)5.15.10.670
    Median Width4.4–4.6 (4.7)4.54.60.12
    Basal Width(7.6) 7.7–10.1 (10.2)8.88.61.35
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2007)-0.72 °C-4.90 °C36.50 mm
    Collection month (8/2007)5.06 °C1.64 °C41.16 mm
    Max month (2007)5.72 °C2.07 °C101.39 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 48.0 43.34 47th–49th/99
Average length 12.3 11.86 25th–29th/100
Average width 6.8 6.83 55th–65th/100
Standard deviation of length 0.9 0.80 30th–32nd/99
Standard deviation of width 0.36 0.39 61st–65th/99
Median length 12.0 11.83 40th–43rd/99
Median width 6.7 6.82 58th–66th/99
Minimum length 10.9 10.21 16th–19th/100
Minimum width 6.1 5.99 33rd–48th/100
Low length 11.1 10.66 24th–26th/100
Low width 6.3 6.24 46th–53rd/100
High length 13.8 13.06 22nd–24th/100
High width 7.4 7.41 50th–60th/100
Max length 14.8 13.54 17th–19th/100
Max width 8.0 7.66 29th–38th/100
Spore featureValueCommonalities
Ornamentation O1; O2 36% of collections; 92% of collections
Perispore loosening P0 72% of collections
Dextrinoidity D2; D3 58% of collections; 83% of collections