| Name | Geyler, Hermann Theodor |
| Date of birth | 1834 |
| Date of death | 1889 |
| Remarks | [author note: Collections at Senckenberg Museum, Frankfurt; material from Vega Expedition to Japan was at B] [collector note: Vega Exp.] |
| ASA Botanist ID | 114780 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/16eb5f7b-ac78-4eb2-bf75-6a8ea76c475b |
| Variant name | Hermann Theodor Geyler |
| Author name | Geyler |
| B & P Author Abbrev. | Geyl. |
| Standard/Label Name | H. T. Geyler |
| Full Name | Geyler, Hermann Theodor |
| Geography Author | Germany |
| Geography Collector | Japan |
| Specialty Author | Algae |
| Specialty Author | Fossils |
| Specialty Author | Fungi and Lichens |
| 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 E-H |