| Classification | Convolvulaceae: Calystegia | 
| Barcode(s) | 02055577 | 
| Collector | J. H. Ehlers | 
| Collector number | 388 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County | 
| Locality | Douglas Lake | 
| Date Collected | 1917-07-01 | 
| Habitat | Sandy soil - Aspen Assoc. | 
| Container | Flora of the Douglas Lake Region | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3486b3e5-91ef-4315-a620-57e2ecc2b706 | 
| Harvard University Herbaria Barcode | 02055577 | 
| Herbarium | GH | 
| Previous ownership | Ex Herbarium of the University of Michigan | 
| Family | Convolvulaceae | 
| Determination |  Calystegia spithamaea (Linnaeus) Pursh | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |