| Classification | Asteraceae |
| Classification 1 | Asteraceae: Eupatorium |
| Classification 2 | Asteraceae: Ayapana |
| Classification 3 | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007981 |
| Type Status | Holotype |
| Collector | R. Spruce |
| Collector number | 4167 |
| Country | Peru |
| Geography | South America: South America (Region) (Region): Peru |
| Locality | Ad flumen Huallaga |
| Date Collected | 1855-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1ac0d065-3bd9-4a8d-b777-a75d3e4adf03 |
| Harvard University Herbaria Barcode | 00007981 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Eupatorium Linnaeus |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Eupatorium sprucei B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Family | Asteraceae |
| Determination | Ayapana elata (Steetz) King & H. Robinson |
| Determined by | R.M. King & H. Robinson (US) |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium sprucei B. L. Robinson |
| Verified by | R.M. King & H. Robinson (US) |
| Date Determined | 1977 |
| Taxon Reference | (for Eupatorium sprucei B. L. Robinson) Proc. Amer. Acad. Arts 1919. 55: 33. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium sprucei B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium sprucei B. L. Robinson) Proc. Amer. Acad. Arts 1919. 55: 33. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Holotype and type photo] |
