| Name | Hammen, Thomas van der |
| Date of birth | 1924 |
| Remarks | Example of Name Published: Diporisporites (1954). Research: Palynology [collector note: AMD, COL, HUA, MA, MO, NY, U, US] |
| ASA Botanist ID | 173630 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b4b2b0b5-ff1d-420e-b714-88bbf6f6d3a8 |
| Variant name | Thomas van der Hammen |
| Variant name | van der Hammen, Thomas |
| Author name | Hammen |
| B & P Author Abbrev. | Hammen |
| Standard/Label Name | T. Hammen |
| Full Name | Hammen, Thomas van der |
| Geography Author | Netherlands |
| Geography Collector | Colombia, Netherlands |
| Specialty Author | Fossils |
| Specialty Author | Fungi and Lichens |
| Specialty Collector | Fungi |
| 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 | Caldasia. Boletin del Instituto de Ciencias Naturales de la Universidad Nacional de Colombia. Bogota |
| Member of teams/groups | |
| Collector Teams: | R. Jaramillo M., J. Hernández C. & T. Hammen L. E. Mora Osejo & T. Hammen |