| Classification | Asteraceae: Cosmos |
| Barcode(s) | 00053188 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 1176 p.p. |
| Country | Mexico |
| State | Oaxaca |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca |
| Locality | Vicinity of Cerro San Felipe, 9500-11000 ft |
| Date Collected | 1894-09-01 |
| Elevation | 2895 - 3352 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/95af0a10-7e1b-4ab5-b9f5-1ad6165b1647 |
| Harvard University Herbaria Barcode | 00053188 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Cosmos nelsonii B. L. Robinson & Fernald |
| Verified by | T. E. Melchert (IA) |
| Date Determined | 1967 |
| Taxon Reference | (for Cosmos nelsonii B. L. Robinson & Fernald) Proc. Amer. Acad. Arts 1909. 44: 622. |
| Family | Asteraceae |
| Determination | Cosmos nelsonii B. L. Robinson & Fernald |
| Determined by | T. E. Melchert (IA) |
| Date Determined | 1997 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Cosmos nelsonii B. L. Robinson & Fernald |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
