| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| STLL | STELLA[1281]; | TR.AE | USA | |
| STELL | STELLERI[3692]; | TR.DR | S | MEX |
| SRSUS | STEM-RUST-SUSCEPTIBLE[1281]; | TR.DR | S | MEX |
| SPN708 | STEPHENS-708[1281]; | TR.AE | USA | |
| SPN | STEPHENS[1281]; | TR.AE | USA | |
| SLG | STERLING[1281]; | TR.AE | S | USA |
| SRN1 | STERNA-DW-1[1281]; | TR.DR | S | MEX |
| SRN2 | STERNA-DW-2[1281]; | TR.DR | S | MEX |
| SRN3 | STERNA-DW-3[1281]; | TR.DR | S | MEX |
| SRN | STERNA,MEX[3692]; | TR.DR | S | MEX |
| STSN | STETSON[1281]; | TR.AE | USA | |
| STW221 | STEWART-221[1281]; | TR.DR | USA | |
| SS2 | STIFF-STRAW-2-N.Y.[1281]; | TR.AE | USA | |
| STLS | STILTS[3692]; | TR.DR | S | MEX |
| STINE | STINE-3030[1281]; | TR.AE | USA | |
| STOT | STINKPOT[3692]; | TR.DR | S | MEX |
| STRP | STIRPE[1281]; | TR.AE | ITA | |
| SDD | STODDARD[1281]; | TR.AE | USA | |
| STJR1 | STOJOCRI-1[1281]; | TR.DR | S | SYR |
| STJR2 | STOJOCRI-2[1281]; | TR.DR | S | SYR |