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Taxonomy

Collection 13822 is Hebeloma nauseosum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 13822 was collected by M. Meusers (5389) on 4th October 2011 in Seedorf am see, Baden-Württemberg, GERMANY (approx. 53.35°N, 9.23°E, altitude approximately 30 m above sea level - Google maps). The ectomycorrhizal families Betulaceae (genus Alnus) and Salicaceae (genus Populus) were present.

    The surrounding habitat was described as not recorded.

    According to the GPS data the collection was in the European Atlantic mixed forests 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: Temperate Broadleaf & Mixed Forests) and Koppen climate code Cfb (Temperate, no dry season, warm summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: no.

    Pileus: 15–35 mm diameter; shape convex; margin characters not recorded; viscosity tacky when moist; spotting yes; hygrophanous not recorded; colour variation unicolor; with colour at centre dark pinkish buff; and colour at margin not recorded; with remains of universal veil no.

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

    Stipe: 30–40 x 6–9 {median} x 6–9 {basal} mm; stipe Q 4.4–5.0; base cylindrical; floccosity fibrillose; rooting not recorded; mycelial chords not recorded.

    Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base yes; slenderness measure 7.5; smell sacchariolentia, sweet; taste not recorded.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: lamellae blackening.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape amygdaloid; colour through microscope not recorded; guttulate not recorded; papillate weak; Spore Code: O3; P2; D3; D4.

    Basidia: analysis not yet complete.

    Cheilocystidia: main shape balloon-shaped, gently clavate, cylindrical, clavate-lageniform or clavate-ventricose, ventricose; special features median thickening; Cheilocystidia Ratios: A/M = 1.68; A/B = 2.51; B/M = 0.85.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)13.3–15.7 (15.9)14.414.21.110
    Width (µm)8.2–8.88.58.50.250
    Q(1.58) 1.59–1.83 (1.84)1.701.670.11

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(26) 27–54 (57)393811.52
    Apex Width(4.8) 4.9–10.3 (10.4)7.46.71.930
    Median Width(3.7) 3.9–7.0 (7.3)5.34.91.36
    Basal Width(1.8) 2.1–7.3 (7.7)4.64.02.28
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2011)14.23 °C5.59 °C62.17 mm
    Collection month (10/2011)14.85 °C5.37 °C59.65 mm
    Max month (2011)22.36 °C12.38 °C131.79 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 5.0 42.37 28th–29th/30
Average length 14.4 14.05 10th–11th/31
Average width 8.5 8.05 3rd–4th/31
Standard deviation of length 1.11 0.91 6th/28
Standard deviation of width 0.25 0.44 28th/28
Median length 14.2 13.89 11th/28
Median width 8.5 7.94 1st/28
Minimum length 13.3 12.17 5th/28
Minimum width 8.2 7.15 1st/28
Low length 13.3 12.57 7th–8th/28
Low width 8.2 7.36 1st/28
High length 15.7 15.24 12th–13th/28
High width 8.8 8.63 9th–11th/28
Max length 15.9 15.85 12th–13th/28
Max width 8.8 8.93 14th–17th/28
Spore featureValueCommonalities
Ornamentation O3 100% of collections
Perispore loosening P2 80% of collections
Dextrinoidity D3; D4 90% of collections; 50% of collections