| Classification | Cyperaceae: Cyperus |
| Barcode(s) | 00267979 |
| 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: Concord |
| Locality | clam shell field |
| Elevation | 0 m |
| Remarks | ["Aug. 25. . . I distinguish these plants this afternoon : Cyperus filiculmis (Mariscoides, or tuberous Cyperus of Bigelow) in arid, sandy pastures, with globular green heads and slender, commonly slanting culms, five to twelve inches long. It is perhaps getting stale." Journal 11: 121 & 123. 1858] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9c701695-c4f2-4b45-8c82-ee5868863648 |
| Harvard University Herbaria Barcode | 00267979 |
| Herbarium | NEBC |
| Previous ownership | Gift of Geroge R. Cooley [Ex] Jesup Herbarium [HNH] Thoreau’s Herb. [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 | Cyperus lupulinus var. macilentus (Fernald) A. Haines |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [filed under] [current name] |
| Family | Cyperaceae |
| Determination | Cyperus filiculmis Vahl |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Family | Cyperaceae |
| Determination | Cyperus filiculmis var. macilentus Fernald |
| Determined by | [M. L. Fernald (scripsit) on provenance label] |
| Family | Cyperaceae |
| Determination | Cyperus filiculmis Vahl |
| Determined by | [E. S. Hoar (scripsit) on his transcription label] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |