| Name | Koponen, Timo Juhani | 
| Date of birth | 1939  | 
| Remarks |  [author note: Specimens at H. Bryophytes, especially Mniaceae] [collector note: CANM, H, NICH, KUN, LAI, NY, UC] | 
| ASA Botanist ID | 145005 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/565ca28a-19ec-4c9a-b5b8-b95e3eab170d | 
| Variant name | Timo Juhani Koponen | 
| Variant name | Timo Koponen | 
| Variant name | Koponen, Timo | 
| Author name | T. J. Koponen | 
| B & P Author Abbrev. | T.J.Kop. | 
| Standard/Label Name | T. J. Koponen | 
| Full Name | Koponen, Timo Juhani | 
| Geography Author | Finland | 
| Geography Collector | Australia (Country),  Canada,  China,  Czech Republic,  Finland,  Germany,  Japan,  Papua New Guinea,  Sweden,  Tanzania,  United States of America | 
| Specialty Author | Bryophytes | 
| Specialty Collector | Bryophytes | 
| Specialty Collector | Phanerogams | 
| 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 - Collectors I-L  | 
| Citation as Collector | Collection data from Teuvo T. Ahti (H)   | 
| Member of teams/groups |  | 
| Holdings | Search for specimens collected by T. J. Koponen | 
| Collections in | 1972 (2),  1981 (12),  1985 (1) | 
| Collector Teams: | T. J. Koponen, S. Huttunen, S. S. Piippo & P. C. Rao  D. H. Norris & T. J. Koponen  T. J. Koponen & D. H. Norris  Norris & T. J. Koponen  R. R. Ireland & T. J. Koponen  R. R. Ireland, T. J. Koponen & S. Inoue  R. K. Tuomikoski & T. J. Koponen  B. C. Tan, T. J. Koponen & D. H. Norris  T. J. Koponen, A. J. Sharp & D. K. Smith   | 
| Author Teams: | D. H. Norris & T. J. Koponen  T. J. Koponen & D. H. Norris  Norris & T. J. Koponen  Tuomikoski & T. J. Koponen  B. C. Tan, T. J. Kop. & D. H. Norris   |