| Classification | Peronosporaceae: Peronospora | 
| Harvard University Herbaria Barcode(s) | 00079678 | 
| Type Status | Type | 
| Collector | F. S. Earle | 
| Country | United States of America | 
| State | Illinois | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Union County | 
| Locality | Anna | 
| Date Collected | 1883-04-27 | 
| Habitat | Host: Stellania (?) | 
| Host | Stellania (?) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/200c40a9-c042-446d-843c-d7b2d2e2a89f | 
| Harvard University Herbaria Barcode | 00079678 | 
| Herbarium | FH | 
| Family | Peronosporaceae | 
| Type Status | Type | 
| Type of | Peronospora arenariae var. macrospora Farlow | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Peronospora arenariae var. macrospora Farlow) Bot. Gaz. 1884. 9(3): 38. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |