Taxonomy
Collection 20608 (herbarium acc. no. MICH 41492) is Hebeloma sarcophyllum.Note: Catalog #: 41492 Occurrence ID (GUID): 7e0acf1e-0f77-405b-b5bd-eafec92190c9 Taxon: Hebeloma sarcophyllum (Peck) Sacc. Family: Strophariaceae Determiner: A. H. Smith Collector: A. H. Smith Number: 18337 Date: 1942-06-13 Additional Collectors: Mrs. Burt & H. V. Smith Locality: USA, Michigan, Washtenaw, Burt's Woods, Ann Arbor Habitat: Under scattered Quercus trees
Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 20608 was collected by A.H. Smith, H.V. Smith, Mrs Burt (AHS18337) on 13th June 1942 in Washtenaw, Burt's Woods, Ann Arbor, Michigan, UNITED STATES (approx. 42.2853°N, 83.751°W, altitude approximately 250 m above sea level - Google maps). The ectomycorrhizal family Fagaceae (genus Quercus) was present.
The surrounding habitat was described as not recorded.
According to the GPS data the collection was in the Koppen climate code Dfa (Cold, no dry season, hot 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 48; tears absent; white fimbriate edge present.
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, limoniform; colour through microscope yellow brown; guttulate yes; papillate very strongly; Spore Code: O3; P3; D2.
Basidia: 21.5–27.3 x 7.0–8.4 μm; ave. Q = 3.2; basidia spore nature not recorded.
Cheilocystidia: main shape gently clavate, clavate-lageniform or clavate-ventricose; special features not recorded; Cheilocystidia Ratios: A/M = 1.48; A/B = 1.01; B/M = 1.51.
Pleurocystidia: no.
Ixocutis: epicutis thickness (measured from exsiccata) 90 μm; ixocutis maximum hyphae width 5 μm; ixocutis hyphae encrustation yes; shape of trama elements beneath subcutis cylindrical up to 13 μm wide.
Caulocystidia: caulocystidia maximum length 60 μm.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (7.5) 8.3–10.0 9.1 9.2 0.590 Width (µm) (4.5) 4.7–6.1 (6.5) 5.4 5.5 0.430 Q (1.47) 1.48–1.96 (2.03) 1.69 1.66 0.15 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (31) 32–45 (46) 38 37 4.14 Apex Width 5.1–7.6 (7.7) 6.3 6.1 0.780 Median Width (3.2) 3.3–5.4 4.3 4.0 0.7 Basal Width (4.3) 4.6–8.0 (8.2) 6.3 6.2 1.03
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1942) --- °C --- °C --- mm Collection month (6/1942) --- °C --- °C --- mm Max month (1942) --- °C --- °C --- 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 | 54.0 | 71.83 | 6th/6 |
| Average length | 9.1 | 9.47 | 6th/6 |
| Average width | 5.4 | 5.63 | 5th–6th/6 |
| Standard deviation of length | 0.59 | 0.64 | 5th/6 |
| Standard deviation of width | 0.43 | 0.41 | 3rd/6 |
| Median length | 9.2 | 9.52 | 6th/6 |
| Median width | 5.5 | 5.65 | 5th/6 |
| Minimum length | 7.5 | 7.77 | 4th/6 |
| Minimum width | 4.5 | 4.50 | 4th/6 |
| Low length | 8.3 | 8.37 | 4th/6 |
| Low width | 4.7 | 4.93 | 5th–6th/6 |
| High length | 10.0 | 10.42 | 6th/6 |
| High width | 6.1 | 6.28 | 5th/6 |
| Max length | 10.0 | 10.80 | 6th/6 |
| Max width | 6.5 | 6.52 | 3rd–4th/6 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O3 | 100% of collections |
| Perispore loosening | P3 | 100% of collections |
| Dextrinoidity | D2 | 100% of collections |