| Name | Mackay, James Townsend | 
| Date of birth | 1775 | 
| Date of death | 1862 | 
| Remarks | [author note: Herbarium and types: TCD; additional material at BR, CGE, K, OXF; bryological types at FH] [collector note: Herbarium (Great Britain): TCD; Great Britain: CGE; Ireland: BR, CGE, K, OXF.] | 
| ASA Botanist ID | 101812 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/84a26346-4363-4537-b7ac-53557b70486f | 
| Variant name | James Townsend Mackay | 
| Author name | J. Mackay | 
| B & P Author Abbrev. | J. Mackay | 
| Standard/Label Name | J. T. Mackay | 
| Full Name | Mackay, James Townsend | 
| Geography Author | Ireland | 
| Geography Collector | Ireland | 
| Specialty Author | Bryophytes | 
| Specialty Author | Fungi and Lichens | 
| Specialty Author | Spermatophytes | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Author | Taxonomic Literature. Second Edition. Utrecht | 
| Citation as Collector | Index Herbariorum - Collectors M | 
| Author in | Fl. Hibern. | 
| Author in | Cat. Pl. Ireland |