| Name | Stefansson, Stefan [Johann] |
| Date of birth | 1863 |
| Date of death | 1921 |
| Remarks | [author note: Herbarium and types: ICEL; additional specimens at M (lichens), C] [collector note: Herbarium (Iceland): ICEL; Iceland (col. 1885-1917): C, M (e.g. Lich., col. 1895)] |
| ASA Botanist ID | 120043 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0b01e956-0e78-45ef-a8d6-1953ecaf7f7f |
| Variant name | Stefan (Johann) Stefansson |
| Author name | Stefánsson |
| B & P Author Abbrev. | Stefánsson |
| Standard/Label Name | S. Stefansson |
| Full Name | Stefansson, Stefan [Johann] |
| Geography Author | Iceland |
| Geography Collector | Iceland |
| Specialty Author | Spermatophytes |
| Specialty Collector | 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 S |