| Classification | Apiaceae: Sium |
| Harvard University Herbaria Barcode(s) | 00217212 |
| Type Status | Syntype |
| Collector | Tr. Green |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | Tobyhanna Creek, Pocono Mountain |
| Date Collected | 1858-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4e0511ba-944f-45af-9592-c8e1c988e86d |
| Harvard University Herbaria Barcode | 00217212 |
| Herbarium | GH |
| Family | Apiaceae |
| Type Status | Syntype |
| Syntype of | Sium carsonii Durand ex A. Gray |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Sium carsonii Durand ex A. Gray) Manual (Gray), ed. 5 1867. 196. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
