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Taxonomy

Collection 17336 is Hebeloma immutabile.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 17336 was collected by N. Siegel (1871) on 26th August 2016 in IditarodTrail, Girdwood, Alaska, UNITED STATES (approx. 60.9432°N, 149.1664°W, altitude approximately 10 m above sea level - Google maps). The ectomycorrhizal family Pinaceae (genera Tsuga and Picea) was present.

    The surrounding habitat was described as boreal with a substrate of mossy soil.

    According to the GPS data the collection was in the Pacific Coastal Mountain icefields and tundra WWF ecoregion The World Wildlife Fund (WWF) have divided the world into 867 terrestrial ecoregions. The ecoregion here is estimated by mapping from the GPS coordinates of the collection using data made available by Dinerstein et al (2017). Use this webtool to explore the ecoregions visually or see a full list of current ecoregions on Wikipedia. (biome: Tundra) and Koppen climate code Dfc (Cold, no dry season, cold summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: no.

    Pileus: 6–24 mm diameter; shape convex; margin characters not recorded; viscosity tacky when moist; spotting no; hygrophanous no; colour variation two-colour; with colour at centre clay-red; and colour at margin pale cream; with remains of universal veil no.

    Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 60; tears absent; white fimbriate edge absent.

    Stipe: 86–114 x 5–6 {median} x 6–9 {basal} mm; stipe Q 17.2–22.4; base clavate, cylindrical; floccosity floccose; rooting not recorded; mycelial chords no.

    Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base yes; slenderness measure 139.3; smell none; 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: O3; P2; P3; D3.

    Basidia: 18.7–27.4 x 5.7–6.6 μm; ave. Q = 3.6; basidia spore nature not recorded.

    Cheilocystidia: main shape cylindrical; special features not recorded; Cheilocystidia Ratios: A/M = 1.13; A/B = 1.20; B/M = 0.97.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(8.1) 8.3–10.4 (10.7)9.49.40.590
    Width (µm)(4.9) 5.1–6.4 (6.8)5.85.90.430
    Q(1.40) 1.45–1.84 (1.91)1.621.590.12

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(16) 19–2924253.62
    Apex Width4.0–5.64.84.70.510
    Median Width(3.4) 3.6–5.14.34.20.49
    Basal Width(3.1) 3.2–5.5 (6.0)4.13.90.79
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2016)8.54 °C1.09 °C61.04 mm
    Collection month (8/2016)18.24 °C10.48 °C111.84 mm
    Max month (2016)18.24 °C10.48 °C130.19 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 70.0 66.91 4th/11
Average length 9.4 9.18 1st–3rd/11
Average width 5.8 5.79 6th–8th/11
Standard deviation of length 0.59 0.54 4th/11
Standard deviation of width 0.43 0.36 3rd/11
Median length 9.4 9.15 1st–2nd/11
Median width 5.9 5.81 2nd–6th/11
Minimum length 8.1 8.08 3rd–7th/11
Minimum width 4.9 4.97 7th–9th/11
Low length 8.3 8.32 6th–9th/11
Low width 5.1 5.26 9th–10th/11
High length 10.4 10.08 2nd/11
High width 6.4 6.35 3rd–5th/11
Max length 10.7 10.46 2nd–4th/11
Max width 6.8 6.66 4th–5th/11
Spore featureValueCommonalities
Ornamentation O3 100% of collections
Perispore loosening P2; P3 72% of collections; 100% of collections
Dextrinoidity D3 90% of collections