| Classification | Asteraceae: Lactuca |
| Harvard University Herbaria Barcode(s) | 00443420 |
| Collector | N. T. Kidder |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Beaver Brook Reservation. Upper part [Belmont/Waltham] |
| Date Collected | 1919-08-09 |
| Container | Flora of Metropolitan Parks, Massachusetts |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e35f4820-d338-4900-aea3-72e7194fb1b9 |
| Harvard University Herbaria Barcode | 00443420 |
| Herbarium | NEBC |
| Family | Asteraceae |
| Determination | Lactuca canadensis Linnaeus |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Lactuca canadensis f. angustipes Wiegand |
| Determined by | Wiegand, Karl McKay |
| Date Determined | 1921 |
| Annotation Text | not typical |
| Family | Asteraceae |
| Determination | Lactuca canadensis var. integrifolia (Bigelow) A. Gray |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
