| Name | Swallen, Jason Richard | 
| Date of birth | 1903 | 
| Date of death | 1991 | 
| Remarks | [author note: Herbarium and types: US; additional material at BR, DPU, GB, GH, K, L, MICH, MG, NY, PEL, RB, W Poaceae] [collector note: US (orig.)] | 
| ASA Botanist ID | 150523 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e325c94a-591e-4ec1-a89b-fa02fe87017d | 
| Variant name | Jason Richard Swallen | 
| Author name | Swallen | 
| B & P Author Abbrev. | Swallen | 
| Standard/Label Name | J. R. Swallen | 
| Full Name | Swallen, Jason Richard | 
| Geography Author | United States of America | 
| Geography Collector | Brazil,  Canada,  Guatemala,  Honduras,  Mexico,  United States of America | 
| Specialty Author | Bryophytes | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Specialty Collector | Pteridophytes | 
| 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 | 
| Member of teams/groups |  | 
| Holdings | Search for specimens collected by J. R. Swallen | 
| Collections in | [no date] (1),  1928 (1),  1932 (6),  1934 (5),  1935 (1),  1939 (14),  1940 (1),  1948 (1),  1950 (1),  1954 (2) | 
| Collector Teams: | Swallen & Garcia-Barriga | 
| Author Teams: | Swallen & Garcia-Barriga |