| Classification | Haloragaceae: Proserpinaca |
| Harvard University Herbaria Barcode(s) | 00112135 |
| Type Status | Holotype |
| Collector | E. F. Williams |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Rockingham County: Hampton |
| Date Collected | 1902-08-31 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4115b075-7609-4ece-b72c-6f14d350a2ca |
| Harvard University Herbaria Barcode | 00112135 |
| Herbarium | GH |
| Family | Haloragaceae |
| Type Status | Holotype |
| Holotype of | Proserpinaca palustris var. crebra Fernald & Griscom |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Proserpinaca palustris var. crebra Fernald & Griscom) Rhodora 1935. 37: 177. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
