| Name | Léonard, Jean Joseph Gustave |
| Date of birth | 1920 |
| Date of death | 2013 |
| Remarks | [author note: BR; Flora of Iranian deserts] [collector note: BR] Example of Name Published: Ancistrocladus likoko J. Léonard in Bull. Soc. Roy. Bot. Belgique 82: 34. 1949. |
| ASA Botanist ID | 160949 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/26544785-b3e5-4691-a80a-270f74e9bc6c |
| Variant name | Jean Joseph Gustave Léonard |
| Author name | J. Léonard |
| B & P Author Abbrev. | J.Léonard |
| Standard/Label Name | J. J. G. Léonard |
| Full Name | Léonard, Jean Joseph Gustave |
| Geography Author | Belgium |
| Geography Collector | Belgium, Congo, Democratic Republic of the, Niger |
| Specialty Author | Spermatophytes |
| Specialty Collector | Phanerogams |
| Specialty Collector | Bryophytes |
| Specialty Collector | Lichens |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Index Herbariorum. Part 1: The Herbaria of the World. Eighth Edition. Bronx, NY |
| Citation as Collector | Index Herbariorum, ed. 8 |
| Citation as Collector | Index Herbariorum - Collectors I-L |
| Citation as Author | Obit. in Scripta Bot. Belg. 50: 417. 2013. |
| Member of teams/groups | |
| Holdings | Search for specimens collected by J. J. G. Léonard |
| Collections in | 1946 (3), 1947 (4), 1967 (1), 1982 (1) |
| Collector Teams: | Hedge & J. Leonard J. J. G. Leonard & W. Mullenders |
| Author Teams: | Hedge & J. Leonard J. J. G. Léonard & E. W. B. H. Milne-Redhead |