| Name | Day, John |
| Date of birth | 1824 |
| Date of death | 1888 |
| Remarks | [collector note: Malay Peninsular, Penang. K] |
| ASA Botanist ID | 148107 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d164ea93-bd75-4564-9ef2-4ddabcc95b75 |
| Variant name | John Day |
| Author name | J. Day |
| B & P Author Abbrev. | J. Day |
| Standard/Label Name | J. Day |
| Full Name | Day, John |
| Geography Collector | Malaysia |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Collector | Index Herbariorum - Collectors A-D |
| Member of teams/groups | |
| Holdings | Search for specimens collected by J. Day |
| Collections in | 1880 (1) |
| Collector Teams: | J. Day & H. G. Reichenbach |
| Author Teams: | J. Day & H. G. Reichenbach |