| Name | Jaap, Otto |
| Date of birth | 1864 |
| Date of death | 1922 |
| Remarks | [author note: Herbarium and types: HBG; additional material at B, E, H] [collector note: Czechoslovakia? PRM] |
| ASA Botanist ID | 102045 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/614c4204-2eac-4e94-85a1-a8f1f4836d9a |
| Variant name | Otto Jaap |
| Author name | Jaap |
| B & P Author Abbrev. | Jaap |
| Standard/Label Name | O. Jaap |
| Full Name | Jaap, Otto |
| Geography Author | Germany |
| Geography Collector | Czech Republic |
| Specialty Author | Bryophytes |
| Specialty Author | Fungi and Lichens |
| Specialty Collector | Fungi |
| 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 | Fungi Select. Exsicc. (Jaap & Brick) |
| Author in | Myxomyc. Exsicc. |
| Holdings | Search for specimens collected by O. Jaap |
| Collections in | [no date] (3), 1903 (1), 1904 (1), 1905 (1), 1907 (1), 1914 (1), 1916 (1) |