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Taxonomy

Collection 17698 (herbarium acc. no. MICH 60099) is Hebeloma praeolidum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 17698 was collected by A.H. Smith (70460) on 16th September 1964 in Hoodoo Mountain, Priest River, Bonner County, Idaho, UNITED STATES (approx. 48.133°N, 116.8805°W, altitude approximately 1150 m above sea level - Google maps). No ectomycorrhizal plants were recorded.

    The surrounding habitat was described as not recorded.

    According to the GPS data the collection was in the Northern Rockies conifer 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 Conifer Forests) and Koppen climate code Dsb (Cold, dry summer, warm summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: yes.

    Pileus: analysis not yet complete.

    Lamellae: attachment not recorded; maximum depth not recorded; number of complete lamellae 44; tears not recorded; white fimbriate edge weak.

    Stipe: analysis not yet complete.

    Context: analysis not yet complete.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: analysis not yet complete.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape amygdaloid; colour through microscope yellow brown; guttulate no; papillate weak; Spore Code: O2; P0; D2.

    Basidia: 32.2–36.3 x 6.4–8.7 μm; ave. Q = 4.4; basidia spore nature not recorded.

    Cheilocystidia: main shape lageniform, ventricose; special features septa, sparse; Cheilocystidia Ratios: A/M = 1.07; A/B = 0.65; B/M = 1.68.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(10.9) 11.2–13.3 (13.7)12.412.60.680
    Width (µm)(5.7) 6.3–7.5 (7.8)6.97.00.390
    Q(1.54) 1.61–1.97 (2.14)1.801.810.12

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(45) 47–65 (68)55566.54
    Apex Width(4.5) 4.7–6.7 (6.9)5.65.60.720
    Median Width(4.1) 4.4–6.2 (6.3)5.35.30.66
    Basal Width(7.2) 7.3–11.0 (11.3)8.88.51.37
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (1964)11.63 °C-0.32 °C71.61 mm
    Collection month (9/1964)18.56 °C2.82 °C48.10 mm
    Max month (1964)26.30 °C8.24 °C192.26 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 62.0 65.43 8th–9th/21
Average length 12.4 11.73 2nd–3rd/21
Average width 6.9 6.57 5th–7th/21
Standard deviation of length 0.68 0.78 18th–19th/21
Standard deviation of width 0.39 0.40 12th–13th/21
Median length 12.6 11.70 1st/21
Median width 7.0 6.55 2nd–4th/21
Minimum length 10.9 10.18 2nd–3rd/21
Minimum width 5.7 5.72 10th–11th/21
Low length 11.2 10.51 1st/21
Low width 6.3 5.98 4th–5th/21
High length 13.3 13.02 7th/21
High width 7.5 7.20 2nd–5th/21
Max length 13.7 13.54 9th/21
Max width 7.8 7.60 3rd–6th/21
Spore featureValueCommonalities
Ornamentation O2 100% of collections
Perispore loosening P0 80% of collections
Dextrinoidity D2 95% of collections