| Classification | Asteraceae: Lactuca |
| Harvard University Herbaria Barcode(s) | 00354058 |
| Collector | E. J. Palmer |
| Collector number | 40244 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | The Arnold Arboretum, South Street tract [Jamaica Plain]
|
| Date Collected | 1932-09-13 |
| Habitat | Waste ground |
| Container | Spontaneous Flora of the Arnold Arboretum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8ba65a19-2cf1-41c7-8a5d-ca2f8fc27dfe |
| Harvard University Herbaria Barcode | 00354058 |
| Herbarium | A |
| Family | Asteraceae |
| Determination | Lactuca sagittifolia Elliott |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Lactuca canadensis var. obovata Wiegand |
| Determined by | Sørensen, Paul Davidsen |
| Date Determined | 1969-11-** |
| Family | Asteraceae |
| Determination | Lactuca canadensis Linnaeus |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2011 |
| Determination Remarks | [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
