| Classification | Poaceae: Elymus | 
| Classification 1 | Poaceae: Agropyron | 
| Barcode(s) | 00338508 | 
| Collector | W. P. Rich | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Stoneham | 
| Locality | Middlesex Fells Reservation, G-H, 24-25 | 
| Date Collected | 1894-07-04 | 
| Habitat | On rock in woods | 
| Container | Metropolitan Park Flora | 
| Project | Metropolitan Park Flora | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/91898e79-c12a-4189-8814-e827d7909d4a | 
| Harvard University Herbaria Barcode | 00338508 | 
| Herbarium | NEBC | 
| Family | Poaceae | 
| Determination |  Elymus trachycaulus subsp. glaucus (Pease & A. H. Moore) Cody | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2011 | 
| Determination Remarks |  [current name] | 
| Family | Poaceae | 
| Determination |  Agropyron trachycaulum var. glaucum (Pease & A. H. Moore) Malte | 
| Determined by | Fernald, Merritt Lyndon | 
| Family | Poaceae | 
| Determination |  Agropyron caninum (Linnaeus) P. Beauvois | 
| Determination Remarks |  [label name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |