| Classification | Helotiaceae: Tympanis | 
| Barcode(s) | 00445860 | 
| Collector | J. W. Groves | 
| Collector number | 123 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario | 
| Locality | [data not captured] | 
| Date Collected | 1933-08-05 | 
| Project | Macrofungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7930c93b-c061-48bb-aa8d-d2b2e5583e46 | 
| Harvard University Herbaria Barcode | 00445860 | 
| Herbarium | FH | 
| Family | Helotiaceae | 
| Determination |  Tympanis spermatiospora (Nylander) Nylander | 
| Determined by | Groves, James Walton | 
| Date Determined | 1949-03-21 | 
| Determination Remarks |  [filed under] [current name] | 
| Family | Helotiaceae | 
| Determination |  Tympanis populina (Fuckel) Saccardo | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |