| Classification | Convolvulaceae: Calystegia | 
| Barcode(s) | 00518818 | 
| Collector | B. T. Hamlin | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Stoneham | 
| Locality | Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, west edge of Covered Reservoir | 
| Georeference | 42° 26' 39" N, 71° 5' 6" W  | 
| Date Collected | 2013-06-20 | 
| Habitat | full sun | 
| Container | Plants of Massachusetts | 
| Remarks | 6 plants. Associates: Asclepias syriaca, Euphorbia esula, Trifolium repens, Vicia cracca. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1954f4e3-435b-478a-a069-8128bb239c82 | 
| Harvard University Herbaria Barcode | 00518818 | 
| Herbarium | NEBC | 
| Family | Convolvulaceae | 
| Determination |  Calystegia sepium (Linnaeus) R. Brown | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2013-07-** | 
| Determination Remarks |  [filed under] [label name] [current name] | 
| Annotation Text | ssp. sepium | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |