| Classification | Polyporaceae: Irpex | 
| Barcode(s) | 00585809 | 
| Collector | J. R. Weir | 
| Collector number | 19743 | 
| Country | United States of America | 
| State | District of Columbia | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: District of Columbia: Washington | 
| Locality | [no additional data] | 
| Date Collected | 1921-10-02 | 
| Project | Macrofungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c01aeb74-b8d4-458e-bcd4-06295d505d12 | 
| Harvard University Herbaria Barcode | 00585809 | 
| Herbarium | FH | 
| Family | Polyporaceae | 
| Determination |  Irpex lacteus (Fries) Fries: Fries | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |