| Name | Holmberg, Otto Rudolf | 
| Date of birth | 1874 | 
| Date of death | 1930 | 
| Remarks | Name published: Glyceria maxima (Hartm.) Holmb., Bot. Not. 1919: 97. 1919. [author note: Herbarium and types: LD; additional material at GB] [collector note: Transcaucasia] | 
| ASA Botanist ID | 101721 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/edbf17fa-3ded-4d5a-b5df-2ce95d357241 | 
| Variant name | Otto Rudolf Holmberg | 
| Author name | Holmberg | 
| B & P Author Abbrev. | Holmb. | 
| Standard/Label Name | O. R. Holmberg | 
| Full Name | Holmberg, Otto Rudolf | 
| Geography Author | Sweden | 
| Geography Collector | Sweden | 
| Specialty Author | Bryophytes | 
| Specialty Author | Pteridophytes | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Specialty Collector | Pteridophytes | 
| Specialty Collector | Bryophytes | 
| 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 | 
| Author in | Skand. Fl. | 
| Holdings | Search for specimens collected by O. R. Holmberg | 
| Collections in | 1909 (2) |