| Name | Ritter, Friedrich | 
| Date of birth | 1898 | 
| Date of death | 1989 | 
| Remarks | [author note: Cactaceae. Some types at U, ZSS] [collector note: Succulents: U, ZSS] | 
| ASA Botanist ID | 100750 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f82c28e2-a960-4e1e-b99a-4de518225404 | 
| Variant name | Friedrich Ritter | 
| Variant name | Often as "FR" in literature citations | 
| Author name | F. Ritter | 
| B & P Author Abbrev. | F. Ritter | 
| Standard/Label Name | F. Ritter | 
| Full Name | Ritter, Friedrich | 
| Geography Author | Germany | 
| Geography Collector | Chile,  Germany | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Collector | Index Herbariorum - Collectors N-R | 
| Citation as Collector | Kakteen Sudameika 3: 914-915. 1980 | 
| Member of teams/groups |  | 
| Author in | Kakteen Südamerika | 
| Collector Teams: | F. Ritter & A. F. H. Buining |