| Classification | Boraginaceae: Mertensia |
| Harvard University Herbaria Barcode(s) | 00062083 |
| Type Status | Isotype |
| Collector | R. M. Horner |
| Collector number | R155B366 |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington: Walla Walla County |
| Locality | Waitsburg, hilltops |
| Date Collected | 1897-04-03 |
| Habitat | Hilltops |
| Container | S. E. Washington Flora |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aa5c821b-be86-4109-ab7c-22eeb136fb97 |
| Harvard University Herbaria Barcode | 00062083 |
| Herbarium | GH |
| Family | Boraginaceae |
| Type Status | Isotype |
| Isotype of | Mertensia horneri Piper |
| Verified by | M. Nazaire |
| Date Determined | 2014 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Mertensia horneri Piper) Contr. U.S. Natl. Herb. 1906. 11: 479. |
| Family | Boraginaceae |
| Determination | Mertensia longiflora Greene |
| Determined by | M. Nazaire |
| Date Determined | 2014 |
| Determination Remarks | [current name] |
| Family | Boraginaceae |
| Determination | Mertensia longiflora Greene |
| Determined by | Williams, Louis Otto |
| Date Determined | 1936 |
| Family | Boraginaceae |
| Determination | Mertensia longiflora var. horneri J. F. Macbride |
| Determined by | J.F.M., 1916 |
| Family | Boraginaceae |
| Determination | Mertensia oblongifolia (Nuttall) G. Don |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
