Taxonomy
Collection 20609 (herbarium acc. no. MICH 41493) is Hebeloma sarcophyllum.Note: Catalog #: 41493 Occurrence ID (GUID): 083b6928-385c-45b6-a766-a5be65177144 Taxon: Hebeloma sarcophyllum (Peck) Sacc. Family: Strophariaceae Determiner: A. H. Smith Collector: A. H. Smith Number: 1676 Date: 1935-07-28 Locality: USA, Michigan, Washtenaw, Ann Arbor Habitat: Open woods
Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 20609 was collected by A.H. Smith (AHS1676) on 28th July 1935 in Washtenaw, Ann Arbor, Michigan, UNITED STATES (approx. 42.2808°N, 83.743°W, altitude approximately 250 m above sea level - Google maps). No ectomycorrhizal plants were recorded.
The surrounding habitat was described as woodland clearing, 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. 1.4: Forest – Temperate.
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: not recorded diameter; shape convex, umbonate broadly; margin characters smooth; viscosity tacky when moist; spotting not recorded; hygrophanous not recorded; colour variation unicolor; with colour at centre not recorded; and colour at margin not recorded; with remains of universal veil not recorded.
Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae 48; tears absent; white fimbriate edge present.
Stipe: size not recorded; stipe Q not recorded; base bulbous, clavate; floccosity floccose, pruinose at apex; rooting no; mycelial chords no.
Context: texture firm; stipe interior stuffed; stipe flesh discolouring from base no; slenderness measure not recorded; 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, yellow brown; guttulate no; papillate very strongly; Spore Code: O3; O4; P3; D2.
Basidia: 25.7–29.1 x 7.0–8.0 μm; ave. Q = 3.7; basidia spore nature not recorded.
Cheilocystidia: main shape clavate-lageniform or clavate-ventricose, ventricose; special features not recorded; Cheilocystidia Ratios: A/M = 1.35; A/B = 0.82; B/M = 1.68.
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 15 μm wide.
Caulocystidia: caulocystidia maximum length 60 μm.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (7.1) 8.2–10.3 (10.7) 9.3 9.3 0.640 Width (µm) (4.0) 4.8–6.3 (6.5) 5.6 5.6 0.460 Q (1.44) 1.46–1.92 (1.98) 1.66 1.64 0.14 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length (36) 37–51 (55) 45 44 4.8 Apex Width 5.6–7.3 (7.4) 6.5 6.6 0.570 Median Width (3.7) 3.8–5.8 (6.3) 4.9 4.9 0.65 Basal Width (6.2) 6.4–9.8 (9.9) 8.0 8.0 1.08
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1935) --- °C --- °C --- mm Collection month (7/1935) --- °C --- °C --- mm Max month (1935) --- °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 | 101.0 | 71.83 | 1st/6 |
| Average length | 9.3 | 9.47 | 4th/6 |
| Average width | 5.6 | 5.63 | 4th/6 |
| Standard deviation of length | 0.64 | 0.64 | 3rd/6 |
| Standard deviation of width | 0.46 | 0.41 | 2nd/6 |
| Median length | 9.3 | 9.52 | 4th–5th/6 |
| Median width | 5.6 | 5.65 | 4th/6 |
| Minimum length | 7.1 | 7.77 | 6th/6 |
| Minimum width | 4.0 | 4.50 | 6th/6 |
| Low length | 8.2 | 8.37 | 5th/6 |
| Low width | 4.8 | 4.93 | 4th/6 |
| High length | 10.3 | 10.42 | 4th/6 |
| High width | 6.3 | 6.28 | 3rd–4th/6 |
| Max length | 10.7 | 10.80 | 4th/6 |
| Max width | 6.5 | 6.52 | 3rd–4th/6 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O3; O4 | 100% of collections; 33% of collections |
| Perispore loosening | P3 | 100% of collections |
| Dextrinoidity | D2 | 100% of collections |