| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| SPP | SPALDING-PROLIFIQUE[1281][1324]; | TR.AE | S | IND |
| SLA1 | SPATULA-1[1281]; | TR.DR | S | MEX |
| SLA2,1 | SPATULA-2[1281]; | TR.DR | S | MEX |
| SLA,1 | SPATULA[3692]; | TR.DR | S | MEX |
| SPER | SPEAR[1281]; | TR.AE | AUS | |
| SPWX | SPECIAL-WAXY[1281]; | TR.AE | ||
| SPL-T | SPELMAR,TUR[1281]; | TR.AE | TUR | |
| SPL-U | SPELMAR,USA[1281]; | TR.DR | USA | |
| SPTL | SPELT[1281]; | TR.AE | USA | |
| SPH,1 | SPHAEROCOCCUM[1281]; | TR.AE | ||
| SPMN | SPILLMAN[1281]; | TR.AE | USA | |
| SCT | SPINKCOTA[1281]; | TR.AE | USA | |
| SPD | SPLENDEUR[1281]; | TR.AE | FRA | |
| SCH | SPOKANE-CHIEF[1281]; | TR.AE | USA | |
| SPOT1 | SPOT-1[1281]; | TR.DR | S | MEX |
| SPOT2 | SPOT-2[1281]; | TR.DR | S | MEX |
| SPOT3 | SPOT-3[1281]; | TR.DR | S | MEX |
| SPOT4 | SPOT-4[1281]; | TR.DR | S | MEX |
| SPOT | SPOTBILL[3692]; | TR.DR | S | MEX |
| SRG | SPRAGUE[1281]; | TR.AE | W | USA |