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Taxonomy

Collection 20482 (MUOB 346926) is Hebeloma mackinawense.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 20482 was collected by J. Kalichman on 17th November 2018 in Haw Ridge Park, Oak Ridge, Tennessee, UNITED STATES (approx. 35.9994°N, 84.1673°W, altitude approximately 300 m above sea level - Google maps). No ectomycorrhizal plants were recorded.

    The surrounding habitat was described as parkland, 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. 14.5: Urban Areas.

    According to the GPS data the collection was in the Appalachian-Blue Ridge 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 Cfa (Temperate, no dry season, hot summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: no.

    Pileus: not recorded diameter; shape convex, umbonate broadly; margin characters overhanging pileus; viscosity tacky when moist; spotting not recorded; hygrophanous not recorded; colour variation two-colour; with colour at centre cream; and colour at margin not recorded; with remains of universal veil not recorded.

    Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 92; tears absent; white fimbriate edge present.

    Stipe: size not recorded; stipe Q not recorded; base bulbous; floccosity fibrillose, pruinose at apex, velute; rooting no; mycelial chords yes.

    Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base no; slenderness measure not recorded; smell not recorded; taste not recorded.

    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 yes; Spore Code: O2; P0; D3.

    Basidia: 26.5–30.3 x 8.5–9.1 μm; ave. Q = 3.2; basidia spore nature not recorded.

    Cheilocystidia: main shape lageniform, ventricose; special features not recorded; Cheilocystidia Ratios: A/M = 1.04; A/B = 0.64; B/M = 1.67.

    Pleurocystidia: yes.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(9.3) 10.1–13.1 (13.2)11.611.70.940
    Width (µm)(6.2) 6.5–7.7 (8.2)7.17.00.410
    Q(1.38) 1.42–1.92 (1.97)1.651.630.15

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(31) 38–56 (57)44445.99
    Apex Width(4.6) 4.9–7.9 (8.1)6.26.01.050
    Median Width(4.7) 5.0–6.9 (7.6)6.06.00.72
    Basal Width(7.2) 7.5–12.2 (13.4)9.99.71.79
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2018)20.85 °C9.22 °C140.76 mm
    Collection month (11/2018)12.11 °C1.50 °C162.22 mm
    Max month (2018)30.60 °C19.40 °C232.13 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 60.0 54.60 3rd/5
Average length 11.6 11.24 2nd/5
Average width 7.1 6.96 1st–2nd/5
Standard deviation of length 0.94 0.66 1st/5
Standard deviation of width 0.41 0.35 1st–2nd/5
Median length 11.7 11.22 2nd/5
Median width 7.0 6.94 2nd/5
Minimum length 9.3 9.96 5th/5
Minimum width 6.2 6.22 3rd/5
Low length 10.1 10.24 3rd–4th/5
Low width 6.5 6.44 2nd/5
High length 13.1 12.30 1st–2nd/5
High width 7.7 7.52 1st/5
Max length 13.2 12.64 2nd/5
Max width 8.2 7.88 1st/5
Spore featureValueCommonalities
Ornamentation O2 75% of collections
Perispore loosening P0 25% of collections
Dextrinoidity D3 50% of collections