Taxonomy
Collection 12292 (herbarium acc. no. C JV-91-669) is Hebeloma crustuliniforme.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 12292 was collected by J. Vesterholt (91-669) on 15th October 1991 in Arhus, Universitetsparken UTM NH7425 TBU 21, 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, umbonate weakly; margin characters smooth; viscosity tacky when moist; spotting no; 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 88; tears visible with naked eye; white fimbriate edge present.
Stipe: 35–45 x 10–12 {median} x 10–13 {basal} mm; stipe Q not recorded; base cylindrical, subbulbous; floccosity floccose; rooting no; mycelial chords no.
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, shiny.
- arrow_drop_downarrow_drop_upMicroscopic description
Spores: shape amygdaloid; colour through microscope yellow brown; guttulate yes; papillate no; Spore Code: O2; O3; P1; D1; D2.
Basidia: 28.8–30.6 x 7.2–7.8 μm; ave. Q = 4.0; basidia spore nature not recorded.
Cheilocystidia: main shape clavate, gently clavate, clavate-stipitate, spathulate-stipitate; special features median thickening; Cheilocystidia Ratios: A/M = 1.85; A/B = 1.79; B/M = 1.07.
Pleurocystidia: no.
Ixocutis: epicutis thickness (measured from exsiccata) 230 μm; ixocutis maximum hyphae width 5 μm; ixocutis hyphae encrustation yes; shape of trama elements beneath subcutis not recorded.
Caulocystidia: analysis not yet complete.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (9.8) 10.2–12.6 (12.9) 11.4 11.5 0.740 Width (µm) (5.4) 5.7–6.9 (7.7) 6.3 6.4 0.410 Q (1.46) 1.57–2.00 (2.12) 1.81 1.81 0.13 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (37) 38–55 (62) 49 50 6.26 Apex Width (4.8) 5.6–8.4 (8.9) 7.1 7.2 0.880 Median Width (2.6) 3.0–4.6 (5.3) 3.8 3.9 0.64 Basal Width (2.3) 2.9–4.7 (5.3) 4.0 4.1 0.69
- 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 | 50.0 | 52.80 | 21st–26th/30 |
| Average length | 11.4 | 11.51 | 17th–21st/30 |
| Average width | 6.3 | 6.37 | 13th–18th/30 |
| Standard deviation of length | 0.74 | 0.71 | 11th–12th/29 |
| Standard deviation of width | 0.41 | 0.35 | 6th–8th/29 |
| Median length | 11.5 | 11.53 | 15th–16th/29 |
| Median width | 6.4 | 6.36 | 11th–13th/29 |
| Minimum length | 9.8 | 9.88 | 17th–19th/29 |
| Minimum width | 5.4 | 5.62 | 24th–27th/29 |
| Low length | 10.2 | 10.47 | 22nd–26th/29 |
| Low width | 5.7 | 5.85 | 21st–26th/29 |
| High length | 12.6 | 12.62 | 15th–18th/29 |
| High width | 6.9 | 6.92 | 12th–13th/29 |
| Max length | 12.9 | 13.21 | 18th–20th/29 |
| Max width | 7.7 | 7.30 | 4th/29 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O2; O3 | 63% of collections; 86% of collections |
| Perispore loosening | P1 | 83% of collections |
| Dextrinoidity | D1; D2 | 80% of collections; 36% of collections |