| Classification | Salicaceae: Salix | 
| Harvard University Herbaria Barcode(s) | 00057593 | 
| Type Status | Isotype | 
| Collector | E. F. Williams, J. F. Collins & M. L. Fernald | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Aroostook County: Caribou | 
| Locality | Valley of Aroostook River; gravelly river beach | 
| Date Collected | 1902-07-18 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/10387889-fb9b-4d2f-af99-7032a037fb04 | 
| Harvard University Herbaria Barcode | 00057593 | 
| Herbarium | NEBC | 
| Family | Salicaceae | 
| Type Status | Isotype | 
| Isotype of | Salix interior var. exterior Fernald | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Salix interior var. exterior Fernald) Rhodora 1946. 48: 38. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |