Taxonomy
Collection 10832 (herbarium acc. no. C JV-91-670) is Hebeloma crustuliniforme.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 10832 was collected by J. Vesterholt (91-670) on 15th October 1991 in Arhus, Universistetsparken UTM NH7425, EJ, DENMARK (approx. 56.167°N, 10.203°E, altitude approximately 40 m above sea level - Google maps). The ectomycorrhizal family Fagaceae (genus Quercus) 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 Koppen climate code Cfb (Temperate, no dry season, warm summer).
- arrow_drop_downarrow_drop_upMacroscopic description
Cortina present: no.
Pileus: 35–60 mm diameter; shape convex; margin characters smooth; viscosity tacky when moist; spotting yes; hygrophanous no; colour variation unicolor; with colour at centre not recorded; and colour at margin not recorded; with remains of universal veil no.
Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 96; tears visible with naked eye; white fimbriate edge present.
Stipe: 35–45 x 7–11 {median} x 8–16 {basal} mm; stipe Q not recorded; base bulbous, subbulbous; floccosity floccose; rooting no; mycelial chords yes.
Context: texture firm; stipe interior not recorded; stipe flesh discolouring from base no; slenderness measure not recorded; smell raphanoid; taste not recorded.
Spore deposit colour: analysis not yet complete.
Exsiccata: normal.
- arrow_drop_downarrow_drop_upMicroscopic description
Spores: shape amygdaloid; colour through microscope not recorded; guttulate not recorded; papillate weak; Spore Code: O2; O3; P1; P2; D0; D1.
Basidia: 27.6–33.1 x 7.3–8.5 μm; ave. Q = 4.0; basidia spore nature not recorded.
Cheilocystidia: main shape clavate-stipitate, clavate-lageniform or clavate-ventricose; special features not recorded; Cheilocystidia Ratios: A/M = 1.65; A/B = 1.65; B/M = 1.04.
Pleurocystidia: no.
Ixocutis: epicutis thickness (measured from exsiccata) 200 μm; ixocutis maximum hyphae width 5 μm; ixocutis hyphae encrustation yes; shape of trama elements beneath subcutis cylindrical, hyphae thick, thickly sausage-shaped up to 15 μm wide.
Caulocystidia: caulocystidia maximum length 100 μm.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (10.1) 10.3–12.6 (13.8) 11.5 11.3 0.800 Width (µm) (5.4) 5.5–6.9 (7.4) 6.2 6.2 0.410 Q (1.66) 1.71–1.97 (2.15) 1.85 1.86 0.09 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (40) 41–61 (71) 50 50 7.14 Apex Width (5.3) 5.7–9.2 (10.4) 7.2 7.2 1.060 Median Width (3.3) 3.8–6.2 (7.4) 4.7 4.3 0.92 Basal Width (3.0) 3.4–6.1 (7.1) 4.8 4.9 0.94
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1991) 11.85 °C 5.14 °C 46.50 mm Collection month (10/1991) 12.24 °C 5.89 °C 41.38 mm Max month (1991) 21.79 °C 13.88 °C 91.79 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 | 61.0 | 52.80 | 9th–10th/30 |
| Average length | 11.5 | 11.51 | 13th–16th/30 |
| Average width | 6.2 | 6.37 | 19th–21st/30 |
| Standard deviation of length | 0.8 | 0.71 | 7th–8th/29 |
| Standard deviation of width | 0.41 | 0.35 | 6th–8th/29 |
| Median length | 11.3 | 11.53 | 20th–21st/29 |
| Median width | 6.2 | 6.36 | 18th–20th/29 |
| Minimum length | 10.1 | 9.88 | 10th–14th/29 |
| Minimum width | 5.4 | 5.62 | 24th–27th/29 |
| Low length | 10.3 | 10.47 | 20th–21st/29 |
| Low width | 5.5 | 5.85 | 28th/29 |
| High length | 12.6 | 12.62 | 15th–18th/29 |
| High width | 6.9 | 6.92 | 12th–13th/29 |
| Max length | 13.8 | 13.21 | 4th–5th/29 |
| Max width | 7.4 | 7.30 | 11th–14th/29 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O2; O3 | 63% of collections; 86% of collections |
| Perispore loosening | P1; P2 | 83% of collections; 26% of collections |
| Dextrinoidity | D0; D1 | 20% of collections; 80% of collections |