| Classification | Aceraceae: Acer |
| Harvard University Herbaria Barcode(s) | 01792041 |
| Collector | J. A. Ewan |
| Collector number | 11892 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Boulder County |
| Locality | Chautauqua mesa, above Boulder |
| Date Collected | 1939-04-29 |
| Verbatim Elevation | 5800 ft. |
| Habitat | on open bushy mesa |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/654f946c-4fbb-4175-a068-36134537cd34 |
| Harvard University Herbaria Barcode | 01792041 |
| Herbarium | A |
| Previous ownership | ex Herbarium National Arboretum |
| Family | Aceraceae |
| Determination | Acer negundo var. interius (Britton) Sargent |
| Determined by | Ewan, Joseph Andorfer |
| Date Determined | 1947 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |