| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Ageratina |
| Barcode(s) | 00007172 |
| Type Status | Possible Type, Syntype, Lectotype |
| Collector | C. G. Pringle |
| Collector number | 8271 |
| Country | Mexico |
| State | Morelos |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Morelos |
| Locality | Lava fields near Cuernavaca, 5000 ft.. |
| Date Collected | 1899-09-29 |
| Elevation | 1524 m |
| Remarks | Flowers, marked "A", collected Feb. 16, leaves, marked "B", collected Sept. 29 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7472f46a-a988-4bb2-a170-54137c3622cf |
| Harvard University Herbaria Barcode | 00007172 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Possible Type |
| Possible Type of | Eupatorium crassirameum B. L. Robinson |
| Taxon Reference | (for Eupatorium crassirameum B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 332. |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Eupatorium crassirameum B. L. Robinson |
| Verified by | K. Gandhi (GH) |
| Date Determined | 2007-11-15 |
| Taxon Reference | (for Eupatorium crassirameum B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 332. |
| Family | Asteraceae |
| Type Status | Lectotype |
| Lectotype of | Eupatorium crassirameum B. L. Robinson |
| Verified by | L. J. Dorr (TEX) |
| Date Determined | 1983 |
| Determination Remarks | Collection marked "A" (flowers) |
| Taxon Reference | (for Eupatorium crassirameum B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 332. |
| Family | Asteraceae |
| Determination | Ageratina crassiramea (B. L. Robinson) King & H. Robinson |
| Determined by | L. J. Dorr (TEX) |
| Date Determined | 1982 |
| Determination Remarks | [current name] |
| Annotation Text | A & B [refers to flowers (A) and leaves (B)] |
| Family | Asteraceae |
| Determination | Eupatorium crassirameum B. L. Robinson |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Eupatorium crassirameum B. L. Robinson |
| Determined by | B. L. Robinson (GH) |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Flowers labelled "A" and each of three leaves labelled "B" |