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Taxonomy

Collection 13325 is Hebeloma sordescens.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 13325 was collected by P.-A. Moreau on 7th November 2009 in Foret d'Ecault, Pas de Calais, FRANCE (50.6536°N, 1.5978°E, altitude approximately 55 m above sea level - Google maps). The ectomycorrhizal families Betulaceae (genus Betula) and Fagaceae (genus Quercus) were present.

    The surrounding habitat was described as coastal, mixed dune woodland with a substrate of calcareous, sandy 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. 13.3: Coastal Sand Dunes.

    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: yes.

    Pileus: 35–43 mm diameter; shape convex; margin characters smooth; viscosity tacky when moist; spotting no; hygrophanous yes; colour variation two-colour; with colour at centre yellowish brown; and colour at margin pale cream; with remains of universal veil no.

    Lamellae: attachment emarginate; maximum depth up to 6 mm; number of complete lamellae 56; tears absent; white fimbriate edge not recorded.

    Stipe: 51–74 x 4–5 {median} x 6–8 {basal} mm; stipe Q 12.8–14.8; base clavate; floccosity fibrillose; rooting no; mycelial chords no.

    Context: texture firm; stipe interior hollow, superior wick; stipe flesh discolouring from base yes; slenderness measure 22.7; smell raphanoid; taste not recorded.

    Spore deposit colour: brownish olive.

    Exsiccata: fragile, normal, pileus blackening.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape amygdaloid, fusoid, limoniform; colour through microscope brown yellow; guttulate no; papillate very strongly; Spore Code: O2; P1; D3.

    Basidia: 28.8–31.4 x 7.8–8.1 μm; ave. Q = 3.8; basidia spore nature not recorded.

    Cheilocystidia: main shape cylindrical, lageniform, ventricose; special features septa; Cheilocystidia Ratios: A/M = 1.09; A/B = 0.58; B/M = 1.97.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: caulocystidia maximum length 100 μm.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(8.7) 9.2–11.9 (12.0)10.510.40.880
    Width (µm)5.0–6.15.55.40.370
    Q(1.57) 1.62–2.24 (2.33)1.931.910.2

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(42) 43–86 (91)605321.47
    Apex Width(4.0) 4.2–5.2 (5.3)4.74.70.410
    Median Width(3.6) 3.8–4.74.44.60.51
    Basal Width(6.3) 6.7–9.5 (9.6)8.59.11.5
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2009)14.39 °C7.92 °C56.37 mm
    Collection month (11/2009)12.89 °C8.62 °C164.17 mm
    Max month (2009)22.47 °C14.78 °C164.17 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 28.0 43.25 10th/16
Average length 10.5 11.01 12th–13th/17
Average width 5.5 6.26 17th/17
Standard deviation of length 0.88 0.70 1st/16
Standard deviation of width 0.37 0.31 3rd–4th/16
Median length 10.4 10.97 12th–13th/16
Median width 5.4 6.25 16th/16
Minimum length 8.7 9.77 16th–17th/17
Minimum width 5.0 5.67 17th/17
Low length 9.2 10.16 15th–16th/17
Low width 5.0 5.82 17th/17
High length 11.9 12.09 12th/17
High width 6.1 6.71 17th/17
Max length 12.0 17.45 12th/17
Max width 6.1 6.88 17th/17
Spore featureValueCommonalities
Ornamentation O2 100% of collections
Perispore loosening P1 72% of collections
Dextrinoidity D3 100% of collections