Taxonomy
Collection 1000309 (herbarium acc. no. TENN-F-029405) is the holotype of Hebeloma albomarginatum.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 1000309 was collected by L.R. Hesler on 30th September 1966 in Blount, Townsend, Cades Cove, Tennessee, UNITED STATES (approx. 35.6019°N, 83.8114°W, altitude approximately 550 m above sea level - Google maps). No ectomycorrhizal plants were recorded.
The surrounding habitat was described as not recorded.
According to the GPS data the collection was in the Appalachian-Blue Ridge 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 Cfa (Temperate, no dry season, hot summer).
- arrow_drop_downarrow_drop_upMacroscopic description
Cortina present: no.
Pileus: 30–50 mm diameter; shape convex; margin characters fibrillose, smooth; viscosity tacky when moist; spotting no; hygrophanous no; colour variation two-colour; with colour at centre cinnamon; and colour at margin not recorded; with remains of universal veil yes.
Lamellae: attachment adnate; maximum depth not recorded; number of complete lamellae 120; tears not recorded; white fimbriate edge present.
Stipe: 10–25 x 8–16 {median} x 12–22 {basal} mm; stipe Q 1.3–1.6; base bulbous; floccosity floccose at apex; rooting no; mycelial chords no.
Context: texture firm; stipe interior stuffed; stipe flesh discolouring from base no; slenderness measure 0.6; smell not recorded; taste not recorded.
Spore deposit colour: analysis not yet complete.
Exsiccata: analysis not yet complete.
- arrow_drop_downarrow_drop_upMicroscopic description
Spores: shape amygdaloid, limoniform; colour through microscope brown; guttulate no; papillate very strongly; Spore Code: O4; P3; D4.
Basidia: 29.0–37.5 x 7.9–8.8 μm; ave. Q = 4.0; basidia spore nature not recorded.
Cheilocystidia: main shape gently clavate, clavate-stipitate; special features conglutinate; Cheilocystidia Ratios: A/M = 1.69; A/B = 2.30; B/M = 0.76.
Pleurocystidia: no.
Ixocutis: analysis not yet complete.
Caulocystidia: analysis not yet complete.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (10.4) 10.5–11.7 (12.4) 11.1 11.0 0.420 Width (µm) (6.5) 6.8–7.7 7.3 7.3 0.290 Q (1.42) 1.43–1.63 (1.67) 1.52 1.52 0.06 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (46) 47–68 (86) 58 58 8.16 Apex Width (6.0) 6.2–10.3 (10.4) 8.5 8.5 1.210 Median Width (3.9) 4.1–6.2 5.1 5.1 0.71 Basal Width (2.7) 2.9–5.3 (6.7) 3.9 3.7 0.95
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1966) 17.03 °C 4.51 °C 132.08 mm Collection month (9/1966) 22.76 °C 11.25 °C 106.86 mm Max month (1966) 27.79 °C 15.08 °C 192.18 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 | 78.55 | 18th/20 |
| Average length | 11.1 | 11.77 | 20th/20 |
| Average width | 7.3 | 7.46 | 12th–13th/20 |
| Standard deviation of length | 0.42 | 0.77 | 20th/20 |
| Standard deviation of width | 0.29 | 0.41 | 19th/20 |
| Median length | 11.0 | 11.82 | 20th/20 |
| Median width | 7.3 | 7.47 | 13th/20 |
| Minimum length | 10.4 | 9.96 | 4th/20 |
| Minimum width | 6.5 | 6.38 | 8th/20 |
| Low length | 10.5 | 10.46 | 6th/20 |
| Low width | 6.8 | 6.79 | 8th–11th/20 |
| High length | 11.7 | 12.91 | 20th/20 |
| High width | 7.7 | 8.11 | 18th–20th/20 |
| Max length | 12.4 | 13.53 | 20th/20 |
| Max width | 7.7 | 8.35 | 20th/20 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O4 | 100% of collections |
| Perispore loosening | P3 | 85% of collections |
| Dextrinoidity | D4 | 100% of collections |