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Taxonomy

Collection 1000181 (held at herbarium K) is the lectotype of Hebeloma ischnostylum.

Note: This lectotype is an icon forming part of the Kew collection of Cooke’s original hand-coloured illustration. This palte, no. 894 is the original coloured painting, elements from which were later published as Plate 420 in Cooke (Illustr. Brit. Fungi (1884) [“1881–1891”]).

Description

  • arrow_drop_downarrow_drop_upCollecting details

    Collection 1000181 was collected by M.C. Cooke in September 1879 in Shrewsbury, Shropshire, ENGLAND (52.7082°N, 2.7543°W, altitude approximately 65 m above sea level - Google maps). The ectomycorrhizal family Betulaceae (genus Alnus) was present.

    The surrounding habitat was described as not recorded with a substrate of grassy soil.

    According to the GPS data the collection was in the Celtic broadleaf 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: 25–50 mm diameter; shape convex, umbonate broadly; margin characters not recorded; viscosity tacky when moist; spotting not recorded; hygrophanous not recorded; colour variation unicolor; with colour at centre pale cream; and colour at margin not recorded; with remains of universal veil not recorded.

    Lamellae: attachment adnate; maximum depth not recorded; number of complete lamellae 48; tears not recorded; white fimbriate edge present.

    Stipe: 40–50 x 3–4 {median} x 4 {basal} mm; stipe Q 12.5–13.3; base clavate, cylindrical; floccosity not recorded; rooting not recorded; mycelial chords not recorded.

    Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base not recorded; slenderness measure 16.9; smell sacchariolentia, sweet; taste not recorded.

    Spore deposit colour: analysis not yet complete.

    Exsiccata: analysis not yet complete.

  • arrow_drop_downarrow_drop_upMicroscopic description
    Spore(min) 5%-95% (max)meanmedianS.D.
    Length (µm)(11.3) 11.5–12.4 (12.5)12.012.10.360
    Width (µm)(4.7) 4.8–6.7 (6.8)5.85.80.800
    Q(1.76) 1.80–2.45 (2.47)2.102.080.26
  • arrow_drop_downarrow_drop_upTemperature calculation
    Max tempMin tempPrecipitation
    Annualised average (1879)--- °C--- °C--- mm
    Collection month (9/1879)--- °C--- °C--- mm
    Max month (1879)--- °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 Not recorded 39.75 Not recorded
Average length 12.0 11.38 1st/25
Average width 5.8 6.04 20th–22nd/25
Standard deviation of length 0.36 0.70 24th/24
Standard deviation of width 0.8 0.38 1st/24
Median length 12.1 11.40 1st/24
Median width 5.8 6.08 19th–23rd/24
Minimum length 11.3 9.98 1st/24
Minimum width 4.7 5.21 22nd/24
Low length 11.5 10.38 1st/24
Low width 4.8 5.48 24th/24
High length 12.4 12.47 13th–14th/24
High width 6.7 6.59 5th–11th/24
Max length 12.5 12.94 17th–19th/24
Max width 6.8 6.72 6th–13th/24
Spore featureValueCommonalities
Ornamentation
Perispore loosening
Dextrinoidity