| Classification | Poaceae: Avena |
| Classification 1 | Poaceae: Helictotrichon |
| Barcode(s) | 00954871 |
| Type Status | Isosyntype |
| Collector | C. L. Shear |
| Collector number | 697 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Clear Creek County |
| Locality | Silver Plume, Col. |
| Date Collected | 1895-08-24 |
| Elevation | 396 m |
| Verbatim Elevation | 1300 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b640ce45-dea4-4e25-a55e-1b8d6dba3031 |
| Harvard University Herbaria Barcode | 00954871 |
| Herbarium | GH |
| Previous ownership | [Ex] U. S. Department of Agriculture, Division of Agrostology |
| Family | Poaceae |
| Type Status | Isosyntype |
| Isosyntype of | Avena mortoniana Scribner |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Avena mortoniana Scribner) Bot. Gaz. 1896. 21(3): 133. |
| Family | Poaceae |
| Determination | Helictotrichon mortoniana (Scribner) Henrard |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [current name] |
| Family | Poaceae |
| Determination | Avena mortoniana Scribner |
| Determination Remarks | [label name] |
| Family | Poaceae |
| Determination | Avena mortoniana Scribner |
| Determined by | Scribner, Frank Lamson |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
