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Taxonomy

Collection 1000029 (herbarium acc. no. PC0090761) is the holotype of Hebeloma vaccinum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 1000029 was collected by H. Mesplede, H. Romagnesi (HR-R61-159), det: H. Romagnesi (R61-159) in 1961 in La-Neuville-en-Hez (Oise), Oise, FRANCE (approx. 49.4°N, 2.32°E, altitude approximately 100 m above sea level - Google maps). The ectomycorrhizal family Salicaceae (genus Populus) was present.

    The surrounding habitat was described as lakeside verge with a substrate of boggy, grassy 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. 5.4: Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands.

    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: 18–30 mm diameter; shape convex, umbonate weakly; margin characters involute; viscosity tacky when moist; spotting no; hygrophanous no; colour variation unicolor; with colour at centre not recorded; and colour at margin not recorded; with remains of universal veil no.

    Lamellae: attachment not recorded; maximum depth up to 5 mm; number of complete lamellae 45; tears visible with x10 lens; white fimbriate edge present.

    Stipe: 28–50 x 3–6 {median} x 3–6 {basal} mm; stipe Q 8.0–8.3; base cylindrical; floccosity pruinose at apex; rooting no; mycelial chords no.

    Context: texture firm; stipe interior hollow; stipe flesh discolouring from base no; slenderness measure 13.2; smell earthy, raphanoid; taste bitter.

    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 brown; guttulate no; papillate yes; Spore Code: O3; O4; P2; D3.

    Basidia: 30.5–38.5 x 6.6–8.2 μm; ave. Q = 4.5; basidia spore nature not recorded.

    Cheilocystidia: main shape clavate-stipitate, clavate-lageniform or clavate-ventricose; special features septa; Cheilocystidia Ratios: A/M = 1.60; A/B = 1.15; B/M = 1.53.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(11.5) 11.6–13.3 (13.5)12.412.50.510
    Width (µm)(6.2) 6.3–7.2 (7.8)6.76.70.320
    Q(1.69) 1.73–2.08 (2.16)1.881.870.1

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(31) 35–57 (59)43417.12
    Apex Width(4.7) 5.2–8.1 (9.5)6.66.50.900
    Median Width(3.1) 3.2–5.1 (5.4)4.34.40.64
    Basal Width(3.5) 3.8–10.0 (11.5)6.56.41.97
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (1961)--- °C--- °C--- mm
    Collection month (None/1961)--- °C--- °C--- mm
    Max month (1961)--- °C--- °C--- 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 52.0 46.32 26th–31st/56
Average length 12.4 13.00 50th–51st/60
Average width 6.7 7.23 53rd–55th/60
Standard deviation of length 0.51 0.90 53rd/55
Standard deviation of width 0.32 0.43 44th–47th/55
Median length 12.5 13.06 46th–47th/55
Median width 6.7 7.25 49th–53rd/56
Minimum length 11.5 11.24 18th–25th/59
Minimum width 6.2 6.34 31st–40th/57
Low length 11.6 11.66 34th–36th/59
Low width 6.3 6.62 41st–46th/57
High length 13.3 14.33 51st/59
High width 7.2 7.92 52nd–53rd/57
Max length 13.5 15.05 51st–55th/59
Max width 7.8 8.21 40th–45th/57
Spore featureValueCommonalities
Ornamentation O3; O4 100% of collections; 14% of collections
Perispore loosening P2 72% of collections
Dextrinoidity D3 98% of collections