| Classification | Asteraceae: Lactuca |
| Barcode(s) | 01067674 |
| Collector | R. J. Eaton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Concord, abandoned R.R. [Railroad], north side of Nashawtuc Hill |
| Date Collected | 1958-07-26 [26 July 1958] |
| Habitat | Dry gravelly R.R. [Railroad] ballast |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bcf38671-fa21-4ee3-9050-0c7018f3760e |
| Harvard University Herbaria Barcode | 01067674 |
| Herbarium | NEBC |
| Family | Asteraceae |
| Determination | Lactuca canadensis Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Family | Asteraceae |
| Determination | Lactuca canadensis var. longifolia (Michaux) Farwell |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
