| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Gymnosporangium | 
| Classification 1 | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Roestelia | 
| Classification 2 | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Aecidium | 
| Harvard University Herbaria Barcode(s) | 00972283 | 
| Collector | M. B. Blake | 
| Collector number | 791 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine | 
| Locality | [no additional data] | 
| Date Collected | 1857 | 
| Substrate | fol. | 
| Host | Pyri Americana [Pyrus americana] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/728cadcf-4c61-4870-84a1-077523c7902c | 
| Harvard University Herbaria Barcode | 00972283 | 
| Herbarium | FH | 
| Family | Pucciniaceae | 
| Determination | Gymnosporangium sp. | 
| Determination Remarks | [current name] | 
| Family | Pucciniaceae | 
| Determination | Roestelia lacerata Mérat | 
| Determination Remarks | [filed under] | 
| Family | Pucciniaceae | 
| Determination | Aecidium laceratum Sowerby | 
| Determination Remarks | [label name] | 
| Subcollection | Curtis Herbarium | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |