| Classification | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007092 |
| Type Status | Isotype |
| Collector | P. A. Rydberg |
| Collector number | 1682 |
| Country | United States of America |
| State | Nebraska |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Nebraska |
| Locality | South fork of Dismal River |
| Date Collected | 1893-08-12 |
| Habitat | in wet meadow |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7abd30a4-48c3-435d-ae7b-717573e3c04d |
| Harvard University Herbaria Barcode | 00007092 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Eupatorium rydbergii Britton |
| Verified by | Boufford, David Edward |
| Date Determined | 1981 |
| Determination Remarks | [filed under] |
| Annotation Text | Isotype |
| Taxon Reference | (for Eupatorium rydbergii Britton) Man. (Lesquereaux) 1901. 921. |
| Family | Asteraceae |
| Determination | Eupatorium maculatum Linnaeus |
| Determined by | K. M. Wiegand |
| Date Determined | 1919 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium purpureum Linnaeus |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Eupatorium rydbergii Britton |
| Determined by | P.A.R.[Pehr Axel Rydberg] |
| Annotation Text | [Annotated on sheet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
