| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| SW-94 | TR.SE | W | NLD | ||
| SW-AGATON | TR.AE | S | SWE | ||
| SWAINSON | SWAINSON-PENDING[4088]; DH-01-25-135-R[4088]; | TR.AE | W | CAN:Saskatchewan | |
| SWAMP | CI-5274; | MEDITERRANEAN[39][1110]; HUSTON[39][1110]; | TR.AE | I;S | USA:Kansas |
| SWAMPHEN | CD-79215[1281][3692]; | TR.DR | S | MEX | |
| SWAN-238 | G-3034[780]; | TR.DS | S | IND:Wellington | |
| SWAN-240 | G-1377[780]; | TR.DS | S | IND:Wellington | |
| SWAN-245 | TR.DS | S | IND:Wellington | ||
| SWAN-248 | IARI-19[780]; | TR.DS | S | IND:Wellington | |
| SWAN-251 | K-26118 | TR.DS | S | IND:Wellington | |
| SWAN-311 | TR.PP | S | IND:Wellington | ||
| SWAN-312 | K-51766; | TR.PP | S | IND:Wellington | |
| SWAN-374 | TR.CO | S | IND:Wellington | ||
| SWAN-375 | TR.CO | S | IND:Wellington | ||
| SWAN-376 | TR.CO | S | IND:Wellington | ||
| SWAN-378 | TR.CO | S | IND:Wellington | ||
| SWAN-379 | TR.CO | S | IND:Wellington | ||
| SWAN-380 | TR.CO | S | IND:Wellington | ||
| SWAN-381 | TR.CO | S | IND:Wellington | ||
| SWAN-382 | LITTLE-CLUB[1406]; | TR.CO | S | IND:Wellington |