| Classification | Cyperaceae: Cladium | 
| Classification 1 | Cyperaceae: Mariscus | 
| Barcode(s) | 00267976 | 
| Collector | H. D. Thoreau | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Lincoln | 
| Locality | Flints Pond | 
| Date Collected | 1858-07-31 | 
| Elevation | 0 m | 
| Vernacular Name | rush | 
| Remarks | ["The Flint's Pond rush appears to be Cladium mariscoides" Journal 11: 139. 1858] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/31685f38-19d4-4017-af5b-79886b43626e | 
| Harvard University Herbaria Barcode | 00267976 | 
| Herbarium | NEBC | 
| Previous ownership | Thoreau’s Herbarium [Ex Herbarium of Henry David Thoreau (1817-1862)] Herbarium of Edward S. Hoar. Presented to the New England Botanical Club by Mrs. M. B. L. Bradford, 1912 | 
| Family | Cyperaceae | 
| Determination |  Cladium mariscoides (Muhlenberg) Torrey | 
| Determined by | [annotation on provenance label] | 
| Date Determined | 1980 | 
| Determination Remarks |  [filed under] [current name] | 
| Family | Cyperaceae | 
| Determination |  Mariscus mariscoides (Muhlenberg) Kuntze | 
| Determined by | M.L.F. [M. L. Fernald] | 
| Date Determined | 1923 | 
| Family | Cyperaceae | 
| Determination |  Cladium sp.  | 
| Determined by | C. B. Hellquist  - BOSC G. E. Crow - NHA | 
| Annotation Text | Aquatic Flora F. New England Project [no taxonoimic determination] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |