| Classification | Convolvulaceae: Calystegia | 
| Harvard University Herbaria Barcode(s) | 02055575 | 
| Collector | N. C. Fassett | 
| Collector number | 20100 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Houghton County | 
| Locality | Big Limestone Mt., near L'Anse | 
| Date Collected | 1938-07-02 | 
| Habitat | Dry cliffs | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f56a2a23-432f-4a24-8a74-de60a70bba35 | 
| Harvard University Herbaria Barcode | 02055575 | 
| Herbarium | GH | 
| Previous ownership | From The Herbarium of The University of Wisconsin | 
| Family | Convolvulaceae | 
| Determination | Calystegia spithamaea (Linnaeus) Pursh | 
| Determined by | Voss, Edward Groesbeck | 
| Date Determined | 1990 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |