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Taxonomy

Collection 1000518 (herbarium acc. no. DBG-F-007828) is Hebeloma alpinicola. It is an isotype of heterotypic synonym Hebeloma riparium A.H. Sm., V.S. Evenson & Mitchel (1983).

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 1000518 was collected by A.H. Smith (88621) on 16th July 1978 in Lincoln Creek, Pitkin County, Colorado, UNITED STATES (approx. 39.0925°N, 106.6478°W, altitude approximately 3100 m above sea level - Google maps). The ectomycorrhizal family Pinaceae (genus Picea) was present.

    The surrounding habitat was described as coniferous, subalpine woodland streamside with a substrate of boggy 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. 1.1: Forest – Boreal.

    According to the GPS data the collection was in the Colorado Rockies 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 Dfc (Cold, no dry season, cold summer).

  • arrow_drop_downarrow_drop_upMacroscopic description

    Cortina present: yes.

    Pileus: 10–36 mm diameter; shape convex, umbilicate; margin characters involute; viscosity tacky when moist; spotting not recorded; hygrophanous no; colour variation unicolor; with colour at centre yellowish brown; and colour at margin not recorded; with remains of universal veil no.

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

    Stipe: 20–30 x 4–6 {median} x 4–6 {basal} mm; stipe Q 5.0; base cylindrical; floccosity fibrillose; rooting no; mycelial chords no.

    Context: texture firm; stipe interior stuffed; stipe flesh discolouring from base yes; slenderness measure 7.1; smell none; taste mild.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: analysis not yet complete.

  • arrow_drop_downarrow_drop_upMicroscopic description

    Spores: shape ellipsoid, ovoid; colour through microscope grey yellow; guttulate no; papillate no; Spore Code: O1; P0; D0.

    Basidia: 24.6–29.7 x 6.4–7.9 μm; ave. Q = 3.9; basidia spore nature not recorded.

    Cheilocystidia: main shape cylindrical, lageniform, pyriform, ventricose; special features many collapsed in exsiccata; Cheilocystidia Ratios: A/M = 1.11; A/B = 0.73; B/M = 1.56.

    Pleurocystidia: no.

    Ixocutis: analysis not yet complete.

    Caulocystidia: analysis not yet complete.

    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(8.3) 8.8–11.3 (11.6)10.110.20.740
    Width (µm)(5.1) 5.3–6.5 (6.9)5.95.90.370
    Q(1.48) 1.55–1.90 (2.05)1.721.710.11

    Cheilocystidium (µm)(min) 5%-95% (max)meanmedianS.D.
    Length30–50 (53)39396.1
    Apex Width(4.2) 4.3–6.5 (6.6)5.35.40.710
    Median Width(3.3) 4.1–5.7 (5.9)4.94.80.7
    Basal Width(5.2) 5.7–9.3 (9.5)7.57.31.19
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (1978)5.31 °C-9.13 °C56.48 mm
    Collection month (7/1978)18.23 °C1.85 °C37.45 mm
    Max month (1978)18.23 °C1.85 °C139.02 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 96.0 53.89 2nd/53
Average length 10.1 9.58 8th–9th/54
Average width 5.9 5.72 9th–21st/54
Standard deviation of length 0.74 0.66 16th/50
Standard deviation of width 0.37 0.34 12th–16th/50
Median length 10.2 9.62 8th–9th/50
Median width 5.9 5.75 9th–17th/50
Minimum length 8.3 8.14 17th–22nd/51
Minimum width 5.1 5.04 19th–28th/51
Low length 8.8 8.57 14th–19th/51
Low width 5.3 5.25 18th–26th/51
High length 11.3 10.64 7th–8th/51
High width 6.5 6.29 8th–16th/51
Max length 11.6 11.00 8th–9th/51
Max width 6.9 6.56 5th–7th/51
Spore featureValueCommonalities
Ornamentation O1 100% of collections
Perispore loosening P0 100% of collections
Dextrinoidity D0 98% of collections