| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Barrosoa |
| Harvard University Herbaria Barcode(s) | 00007825 |
| Type Status | Isotype |
| Collector | J. J. Wurdack & J. V. Monachino |
| Collector number | 41157 |
| Country | Venezuela |
| State | Bolívar |
| Geography | South America: South America (Region) (Region): Venezuela: Bolívar |
| Locality | above Salto de Humito (about 30 river km. from mouth), Rio Villacoa (Rio Auyacoa) |
| Date Collected | 1956-01-07 |
| Elevation | 80 - 110 m |
| Habitat | Locally frequent at morichal edge |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3eb5e8e3-263a-451d-941a-3d20a18413c4 |
| Harvard University Herbaria Barcode | 00007825 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Eupatorium morichalanum Aristeguieta |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium morichalanum Aristeguieta) Mem. New York Bot. Gard. 1957. 9: 367. |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Eupatorium morichalanum Aristeguieta |
| Verified by | R.M. King & H. Robinson (US) |
| Date Determined | 1977 |
| Taxon Reference | (for Eupatorium morichalanum Aristeguieta) Mem. New York Bot. Gard. 1957. 9: 367. |
| Family | Asteraceae |
| Determination | Barrosoa morichalanana (Aristeguieta) King & H. Robinson |
| Determined by | R.M. King & H. Robinson (US) |
| Date Determined | 1977 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium morichalanum Aristeguieta |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
