Taxonomy
Collection 12037 is Hebeloma velatum.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 12037 was collected by H.J. Beker, M.L. Beker on 18th August 2007 in London, SVALBARD (78.9631°N, 12.0503°E, altitude approximately 5 m above sea level - Google maps). The ectomycorrhizal family Salicaceae (genus Salix) was present.
The surrounding habitat was described as arctic tundra with a substrate of 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. 4.1: Grassland – Tundra.
According to the GPS data the collection was in the Koppen climate code ET (Polar, tundra).
- arrow_drop_downarrow_drop_upMacroscopic description
Cortina present: yes.
Pileus: 12–17 mm diameter; shape umbonate broadly; margin characters smooth; viscosity tacky when moist; spotting no; hygrophanous no; colour variation unicolor; with colour at centre dark brick; and colour at margin umber; with remains of universal veil no.
Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 41; tears absent; white fimbriate edge present.
Stipe: 15–23 x 3 {median} x 3 {basal} mm; stipe Q 4.3–7.7; base cylindrical; floccosity fibrillose; rooting no; mycelial chords no.
Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base yes; slenderness measure 10.6; smell not recorded; taste not recorded.
Spore deposit colour: brownish olive.
Exsiccata: normal.
- arrow_drop_downarrow_drop_upMicroscopic description
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (9.6) 10.1–12.1 (18.5) 11.2 11.1 1.050 Width (µm) (5.5) 5.7–7.0 (9.4) 6.3 6.3 0.540 Q (1.55) 1.60–1.96 (2.07) 1.77 1.77 0.11
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (2007) -0.60 °C -4.61 °C 35.62 mm Collection month (8/2007) 5.51 °C 2.30 °C 34.31 mm Max month (2007) 5.70 °C 2.31 °C 97.30 mm
- arrow_drop_downarrow_drop_upAnalyse this collection
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 measurements | My value | Species mean value | Position |
|---|---|---|---|
| Count | 76.0 | 56.22 | 16th/111 |
| Average length | 11.2 | 10.95 | 37th–41st/117 |
| Average width | 6.3 | 6.41 | 61st–72nd/117 |
| Standard deviation of length | 1.05 | 0.72 | 4th/107 |
| Standard deviation of width | 0.54 | 0.38 | 5th–6th/107 |
| Median length | 11.1 | 10.96 | 38th–45th/107 |
| Median width | 6.3 | 6.42 | 60th–69th/107 |
| Minimum length | 9.6 | 9.35 | 32nd–40th/113 |
| Minimum width | 5.5 | 5.60 | 61st–76th/113 |
| Low length | 10.1 | 9.84 | 29th–32nd/113 |
| Low width | 5.7 | 5.85 | 62nd–76th/113 |
| High length | 12.1 | 12.01 | 45th–54th/113 |
| High width | 7.0 | 7.02 | 44th–58th/113 |
| Max length | 18.5 | 12.70 | 1st/113 |
| Max width | 9.4 | 7.36 | 1st/113 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O1; O2 | 98% of collections; 100% of collections |
| Perispore loosening | P0 | 100% of collections |
| Dextrinoidity | D0; D1 | 83% of collections; 99% of collections |