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Taxonomy

Collection 15747 (herbarium acc. no. C-F-103460) is Hebeloma helodes.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 15747 was collected by T. Borgen (85.072) on 10th August 1985 in Kangilinnguit/Grønnedal, S, GREENLAND (approx. 61.2316°N, 48.099°W, altitude approximately 25 m above sea level - Google maps). The ectomycorrhizal family Betulaceae (genus Alnus) was present.

    The surrounding habitat was described as arctic shrubland, 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: no.

    Pileus: up to 16 mm diameter; shape umbonate; margin characters crenulate; viscosity tacky when moist; spotting not recorded; hygrophanous not recorded; colour variation unicolor; with colour at centre greyish brown; and colour at margin not recorded; with remains of universal veil not recorded.

    Lamellae: attachment not recorded; maximum depth not recorded; number of complete lamellae 32; tears absent; white fimbriate edge weak.

    Stipe: 20 x 3 {median} x 3 {basal} mm; stipe Q 6.7; base cylindrical; floccosity fibrillose; rooting no; mycelial chords no.

    Context: texture firm; stipe interior hollow; stipe flesh discolouring from base not recorded; slenderness measure 8.3; smell raphanoid; taste mild.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: analysis not yet complete.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape amygdaloid; colour through microscope not recorded; guttulate not recorded; papillate no; Spore Code: O2; P1; D1.

    Basidia: 27.4–31.0 x 8.5 μm; ave. Q = 3.4; basidia spore nature not recorded.

    Cheilocystidia: main shape capitate-stipitate, clavate-stipitate; special features apical thickening, many collapsed in exsiccata; Cheilocystidia Ratios: A/M = 2.27; A/B = 2.95; B/M = 0.80.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(10.0) 10.1–11.9 (12.3)11.010.90.570
    Width (µm)(5.2) 5.6–6.4 (6.5)6.06.00.280
    Q(1.55) 1.62–2.01 (2.05)1.831.830.12

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length46–5852533.7
    Apex Width(6.5) 6.9–12.5 (13.2)9.89.71.720
    Median Width(2.1) 2.7–6.4 (6.8)4.65.01.24
    Basal Width(2.0) 2.1–5.0 (5.2)3.53.60.91
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (1985)5.97 °C-0.65 °C37.98 mm
    Collection month (8/1985)12.78 °C5.83 °C47.27 mm
    Max month (1985)13.57 °C7.18 °C98.97 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 43.0 60.06 31st/35
Average length 11.0 10.24 1st/35
Average width 6.0 5.65 3rd–7th/35
Standard deviation of length 0.57 0.71 27th–28th/35
Standard deviation of width 0.28 0.34 24th–27th/35
Median length 10.9 10.23 1st–3rd/35
Median width 6.0 5.66 3rd–7th/35
Minimum length 10.0 8.64 1st/35
Minimum width 5.2 4.91 7th–8th/35
Low length 10.1 9.12 1st/35
Low width 5.6 5.13 2nd–6th/35
High length 11.9 11.33 6th–9th/35
High width 6.4 6.17 7th–11th/35
Max length 12.3 12.07 14th–16th/35
Max width 6.5 6.41 14th–18th/35
Spore featureValueCommonalities
Ornamentation O2 52% of collections
Perispore loosening P1 70% of collections
Dextrinoidity D1 76% of collections