| Classification | Asteraceae: Eupatorium | 
| Classification 1 | Asteraceae: Ayapanopsis | 
| Harvard University Herbaria Barcode(s) | 00008008 | 
| Type Status | Holotype | 
| Collector | R. Spruce | 
| Collector number | 4014 | 
| Country | Peru | 
| State | San Martín | 
| Geography | South America: South America (Region) (Region): Peru: San Martín | 
| Locality | In montibus secus flumen Mayo, prope Tarapoto | 
| Date Collected | 1856-08-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0074e311-8fd8-4802-aa85-370f0ceb52da | 
| Harvard University Herbaria Barcode | 00008008 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Eupatorium tarapotense B. L. Robinson | 
| Verified by | B. L. Turner (LL, TEX) | 
| Date Determined | 1982 | 
| Taxon Reference | (for  Eupatorium tarapotense B. L. Robinson) Proc. Amer. Acad. Arts 1919. 55: 37. | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Eupatorium tarapotense B. L. Robinson | 
| Verified by | R.M. King & H. Robinson (US) | 
| Date Determined | 1977 | 
| Taxon Reference | (for  Eupatorium tarapotense B. L. Robinson) Proc. Amer. Acad. Arts 1919. 55: 37. | 
| Family | Asteraceae | 
| Determination | Ayapanopsis tarapotensis (B. L. Robinson) R. M. King & H. Robinson | 
| Determined by | R. M. King & H. Robinson (US) | 
| Date Determined | 1977 | 
| Determination Remarks | [current name] | 
| Family | Asteraceae | 
| Determination | Eupatorium tarapotense B. L. Robinson | 
| Determined by | B.L. Robinson (GH) | 
| Family | Asteraceae | 
| Determination | Eupatorium Linnaeus | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |