| Name | Ralfs, John | 
| Date of birth | 1807 | 
| Date of death | 1890 | 
| Remarks | [author note: Herbarium and types: BM, K (phanerogams); additional material at CGE, E, FH, H, K, L, LD, MANCH, OXF, PC, SLBI] [collector note: Herbarium: K, Cryptogam herbarium: BM (r. 1892: 1968), Great Britain (Devonshire, Cornwall & N. Wales): BM (microsc. prep. of Alg., incl. Diat.), CGE, K, L, MANCH, NMW, OXF (Ph. & Crypt. from S.W. Great Britain), PC, SLBI] | 
| ASA Botanist ID | 100582 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/79360a53-0e73-4d25-9655-1b3158922d10 | 
| Variant name | John Ralfs | 
| Author name | Ralfs | 
| B & P Author Abbrev. | Ralfs | 
| Standard/Label Name | J. Ralfs | 
| Full Name | Ralfs, John | 
| Specialty Author | Algae | 
| Citation as Author | Memoirs of the New York Botanical Garden | 
| 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 N-R | 
| Author in | Brit. Algae |