| Classification | Poaceae: Elymus |
| Barcode(s) | 00712039 |
| Type Status | Holotype |
| Collector | M. L. Fernald & B. H. Long |
| Collector number | 12739 |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: York County: Limington |
| Locality | Limington |
| Date Collected | 1916-08-28 [August 28, 1916] |
| Habitat | Alluvial woods |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/303ff880-2285-4e55-8c76-dcea0eb4884f |
| Harvard University Herbaria Barcode | 00712039 |
| Herbarium | NEBC |
| Family | Poaceae |
| Type Status | Holotype |
| Holotype of | Elymus macgregorii var. hirsutispiculus A. Haines |
| Determination Remarks | [current name] |
| Annotation Text | designated holotype |
| Taxon Reference | (for Elymus macgregorii var. hirsutispiculus A. Haines) Bot. Notes 2020. 15: 7, fig. 2. |
| Family | Poaceae |
| Determination | Elymus macgregorii R.E. Brooks & J.J.N. Campb. |
| Determined by | Haines, Arthur Duane |
| Date Determined | 2001-08-23 |
| Family | Poaceae |
| Determination | Elymus virginicus var. hirsutiglumis (Scribner) Hitchcock |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |