Taxonomy
Collection 17834 (herbarium acc. no. O-F-154650) is Hebeloma alpinum.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 17834 was collected by K. Kvavik, det: Ø. Weholt on 28th August 1972 in Vadsø, Finnmark, NORWAY (approx. 70.0788°N, 29.7519°E, altitude approximately 10 m above sea level - Google maps). The ectomycorrhizal family Betulaceae (genus Betula) was present.
The surrounding habitat was described as arctic meadow with a substrate of grassy 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 Dfc (Cold, no dry season, cold summer).
- arrow_drop_downarrow_drop_upMacroscopic description
Cortina present: no.
Pileus: analysis not yet complete.
Lamellae: attachment not recorded; maximum depth not recorded; number of complete lamellae 50; tears not recorded; white fimbriate edge very strong.
Stipe: analysis not yet complete.
Context: analysis not yet complete.
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; D1; D2.
Basidia: 28.4–32.2 x 7.7–9.2 μm; ave. Q = 3.6; basidia spore nature not recorded.
Cheilocystidia: main shape clavate-stipitate, spathulate-stipitate; special features not recorded; Cheilocystidia Ratios: A/M = 2.49; A/B = 2.78; B/M = 0.92.
Pleurocystidia: no.
Ixocutis: analysis not yet complete.
Caulocystidia: analysis not yet complete.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (9.1) 9.9–12.4 (12.7) 11.3 11.4 0.800 Width (µm) (5.8) 6.0–7.2 (7.5) 6.7 6.6 0.420 Q (1.49) 1.55–1.91 (2.00) 1.71 1.70 0.1 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (63) 64–82 71 68 7.17 Apex Width (6.5) 6.6–10.4 8.4 8.4 1.420 Median Width (2.5) 2.7–4.7 3.5 3.4 0.69 Basal Width (1.9) 2.2–4.2 (4.6) 3.2 3.0 0.68
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1972) 5.18 °C -0.53 °C 34.95 mm Collection month (8/1972) 16.08 °C 8.86 °C 51.60 mm Max month (1972) 18.44 °C 10.79 °C 71.99 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 | 73.0 | 51.92 | 11th–12th/86 |
| Average length | 11.3 | 12.22 | 80th–81st/87 |
| Average width | 6.7 | 7.03 | 66th–71st/87 |
| Standard deviation of length | 0.8 | 0.81 | 42nd–44th/82 |
| Standard deviation of width | 0.42 | 0.41 | 36th–40th/82 |
| Median length | 11.4 | 12.23 | 72nd–73rd/82 |
| Median width | 6.6 | 7.04 | 69th–74th/82 |
| Minimum length | 9.1 | 10.47 | 84th/84 |
| Minimum width | 5.8 | 6.19 | 64th–72nd/84 |
| Low length | 9.9 | 11.01 | 81st–83rd/84 |
| Low width | 6.0 | 6.44 | 69th–75th/84 |
| High length | 12.4 | 13.50 | 78th/84 |
| High width | 7.2 | 7.69 | 71st–76th/84 |
| Max length | 12.7 | 14.03 | 79th–81st/84 |
| Max width | 7.5 | 8.03 | 71st–76th/84 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O2 | 88% of collections |
| Perispore loosening | P0 | 68% of collections |
| Dextrinoidity | D1; D2 | 72% of collections; 58% of collections |