| Name | Knapp, John Leonard |
| Date of birth | 1767 |
| Date of death | 1845 |
| Remarks | [author note: Herbarium and types: BRISTM, E; additional material at BM] [collector note: Original herb. (Great Britain and other parts of the world, probably not collected by himself): BRISTM (118), E (750)] |
| ASA Botanist ID | 103729 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/078e48e4-1758-469a-808e-09c5c1144be0 |
| Variant name | John Leonard Knapp |
| Author name | Knapp |
| B & P Author Abbrev. | Knapp |
| Standard/Label Name | J. L. Knapp |
| Full Name | Knapp, John Leonard |
| 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 I-L |
| Author in | Gram. Brit. |