| Classification | Peronosporaceae: Peronospora |
| Barcode(s) | 00079719 |
| Collector | |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Newton |
| Date Collected | 1890-05-** |
| Habitat | Host: Ambrosia artemiasaefolia |
| Host | Ambrosia artemiasaefolia |
| Remarks | [probably collected by W. G. Farlow] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ad64047-42d8-483e-8b0b-e175ac53bbc1 |
| Harvard University Herbaria Barcode | 00079719 |
| Herbarium | FH |
| Family | Peronosporaceae |
| Determination | Peronospora halstedii Farlow |
| Determination Remarks | [probably determined by W. G. Farlow] authentic [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
