| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00218590 |
| Type Status | Holotype |
| Collector | L. F. Henderson |
| Collector number | 1477-1485 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Locality | City Park, Portland, and Grants Pass |
| Date Collected | 1886-06-20 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d195ca63-751c-4519-8ad1-59c0c11e9e69 |
| Harvard University Herbaria Barcode | 00218590 |
| Herbarium | GH |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Carex vicaria var. costata L. H. Bailey |
| Verified by | J. Mastogiuseppe |
| Taxon Reference | (for Carex vicaria var. costata L. H. Bailey) Mem. Torrey Bot. Club 1889. 1: 49. |
| Family | Cyperaceae |
| Determination | Carex densa (L. H. Bailey) L. H. Bailey |
| Determined by | J. Mastrogiuseppe |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
