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Taxonomy

Collection 19080 (herbarium acc. no. WTU-F-068237) is Hebeloma albomarginatum.

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 19080 was collected by G.A. Laursen (GAL23606) on 13th September 2015 in 682 Lancaster Drive, Fairbanks, Alaska, UNITED STATES (approx. 64.9136°N, 147.7051°W, altitude approximately 265 m above sea level - Google maps). The ectomycorrhizal families Betulaceae (genera Alnus and Betula), Pinaceae (genus Picea) and Salicaceae (genus Populus) were present.

    The surrounding habitat was described as woodland with a substrate of woodchips, 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. 1.4: Forest – Temperate.

    According to the GPS data the collection was in the Interior Alaska-Yukon lowland taiga 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: Boreal Forests/Taiga) and Koppen climate code Dfc (Cold, no dry season, cold summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: no.

    Pileus: not recorded diameter; shape convex, umbonate broadly; margin characters involute, scalloped; viscosity tacky when moist; spotting not recorded; hygrophanous not recorded; colour variation unicolor; with colour at centre not recorded; and colour at margin not recorded; with remains of universal veil not recorded.

    Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 100; tears visible with naked eye; white fimbriate edge present.

    Stipe: size not recorded; stipe Q not recorded; base clavate; floccosity floccose, floccose at apex; rooting no; mycelial chords no.

    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, limoniform; colour through microscope not recorded; guttulate not recorded; papillate very strongly; Spore Code: O3; O4; P2; P3; D3; D4.

    Basidia: 28.7–33.2 x 8.1–9.0 μm; ave. Q = 3.6; basidia spore nature not recorded.

    Cheilocystidia: main shape gently clavate, clavate-lageniform or clavate-ventricose; special features bifurcate; Cheilocystidia Ratios: A/M = 1.53; A/B = 1.60; B/M = 1.02.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(10.0) 10.3–12.8 (13.5)11.811.90.760
    Width (µm)(6.7) 7.0–8.3 (8.4)7.77.70.400
    Q(1.32) 1.36–1.68 (1.78)1.531.540.1

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length(36) 38–58 (64)46456.86
    Apex Width5.0–9.0 (9.4)7.07.11.210
    Median Width3.8–5.5 (6.1)4.64.60.58
    Basal Width(2.5) 3.4–6.4 (8.8)4.74.31.3
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (2015)4.20 °C-5.53 °C30.26 mm
    Collection month (9/2015)9.72 °C1.21 °C85.54 mm
    Max month (2015)21.61 °C10.55 °C85.54 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 64.0 78.55 14th–15th/20
Average length 11.8 11.77 7th–8th/20
Average width 7.7 7.46 7th–8th/20
Standard deviation of length 0.76 0.77 14th/20
Standard deviation of width 0.4 0.41 11th/20
Median length 11.9 11.82 7th–8th/20
Median width 7.7 7.47 8th/20
Minimum length 10.0 9.96 5th–9th/20
Minimum width 6.7 6.38 3rd–6th/20
Low length 10.3 10.46 9th–10th/20
Low width 7.0 6.79 5th–7th/20
High length 12.8 12.91 10th–12th/20
High width 8.3 8.11 5th–10th/20
Max length 13.5 13.53 9th–12th/20
Max width 8.4 8.35 9th–13th/20
Spore featureValueCommonalities
Ornamentation O3; O4 50% of collections; 100% of collections
Perispore loosening P2; P3 65% of collections; 85% of collections
Dextrinoidity D3; D4 60% of collections; 100% of collections