| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae: Gymnosporangium | 
| Harvard University Herbaria Barcode(s) | 00998060 | 
| Collector | I. H. Crowell | 
| Collector number | 2115 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston: [Jamaica Plain] use Boston | 
| Locality | Arnold Arboretum | 
| Date Collected | 1934-07-** | 
| Host | Crataegus wilsonii | 
| Project | Microfungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9b395a9a-0032-496b-88ff-5a5e5551b7f0 | 
| Harvard University Herbaria Barcode | 00998060 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium of I. H. Crowell | 
| Family | Pucciniaceae | 
| Determination | Gymnosporangium clavipes Cooke & Peck | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |