| Classification | Asteraceae: Eupatoriastrum |
| Harvard University Herbaria Barcode(s) | 00007033 |
| Type Status | Syntype, Lectotype |
| Collector | E. W. Nelson |
| Collector number | 2827 |
| Country | Mexico |
| State | Oaxaca |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca |
| Locality | Santa Efigenia, 500 ft. |
| Date Collected | 1895-07-18 |
| Elevation | 152 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f06f1ad0-9348-4548-9ff6-b10fe76d0b64 |
| Harvard University Herbaria Barcode | 00007033 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Eupatoriastrum nelsonii Greenman |
| Verified by | V. Bates |
| Date Determined | 1984 |
| Taxon Reference | (for Eupatoriastrum nelsonii Greenman) Proc. Amer. Acad. Arts 1904. 39: 93. |
| Family | Asteraceae |
| Type Status | Lectotype |
| Lectotype of | Eupatoriastrum nelsonii Greenman |
| Verified by | B. Turner (TEX) |
| Date Determined | 1990 |
| Determination Remarks | [no publication information given] |
| Taxon Reference | (for Eupatoriastrum nelsonii Greenman) Proc. Amer. Acad. Arts 1904. 39: 93. |
| Family | Asteraceae |
| Determination | Eupatoriastrum nelsonii Greenman |
| Determined by | B.L. Turner (TEX) |
| Date Determined | 1990 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatoriastrum nelsonii Greenman |
| Determined by | B.L. Robinson |
| Date Determined | 1902 |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
