| Classification | Asteraceae: Lactuca | 
| Harvard University Herbaria Barcode(s) | 00009506 | 
| Type Status | Holotype | 
| Collector | C. H. Morss | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Plymouth County: Marshfield | 
| Locality | Marshfield | 
| Date Collected | 1898-08-14 | 
| Habitat | reclaimed saltmarsh | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3f620619-a8ed-49e3-bfd7-cbc54d99be0b | 
| Harvard University Herbaria Barcode | 00009506 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Lactuca ×morssii B. L. Robinson | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Lactuca ×morssii B. L. Robinson) Rhodora 1899. 1(1): 12. | 
| Family | Asteraceae | 
| Determination | Lactuca ×morssii B. L. Robinson | 
| Determination Remarks | [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |