| Classification | Asteraceae: Calea |
| Harvard University Herbaria Barcode(s) | 00004543 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 2887 |
| Country | Mexico |
| State | Chiapas |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chiapas |
| Locality | Top of ridge back of Tonala, 1200-2500 feet |
| Date Collected | 1895-08-10 |
| Elevation | 365 - 762 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3fc8f064-c657-49a2-9516-a807ff6fce6c |
| Harvard University Herbaria Barcode | 00004543 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Calea nelsonii B. L. Robinson & Greenman |
| Verified by | V. M. Bates |
| Date Determined | 1984 |
| Taxon Reference | (for Calea nelsonii B. L. Robinson & Greenman) Proc. Amer. Acad. Arts 1896. 32: 25. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Calea nelsonii B. L. Robinson & Greenman |
| Verified by | Wussow |
| Date Determined | 1981 |
| Taxon Reference | (for Calea nelsonii B. L. Robinson & Greenman) Proc. Amer. Acad. Arts 1896. 32: 25. |
| Family | Asteraceae |
| Determination | Calea ternifolia var. nelsonii (B. L. Robinson & Greenman) Wussow & Urbatsch |
| Determined by | Wussow |
| Date Determined | 1981 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Calea nelsonii B. L. Robinson & Greenman |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Calea nelsonii B. L. Robinson & Greenman |
| Determined by | B. L. Robinson & Greenman |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
