| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| SIAISSE-D-ARLES | BLE-DE-ROUSSILLON[39]; | ||||
| SIA-KHOSHA | TR.AE | AFG | |||
| SIALA | TR.AE | W | CHE | ||
| SIALOS | K-24586 | SIALOS[541]; | TR.AE | S | TJK:Badakhshan |
| SIANGNING-RED-AWNED | K-28471 | TR.AE | I | CHN:Shanxi | |
| SI-AN-HUN-BO-DUN | K-44040 | TR.AE | I | CHN:Shanxi | |
| SIAO-HE-SHANG-TOU | K-44048 | TR.AE | S | CHN:Gansu | |
| SIAOK | TR.AE | S | IND | ||
| SIBAKOVSKAYA-1 | MILTURUM-204[61][1447]; | TR.AE | S | RUS:Omsk | |
| SIBAKOVSKAYA-3 | K-50944; PI-572624 | LUTESCENS-4029[000]; LINE-4029[000]; | TR.AE | S | RUS:Omsk |
| SIBAKOVSKAYA-NIVA | MILTURUM-143[1371]; | TR.AE | W | RUS:Omsk | |
| SIBAKOVSKAYA-YUBILEINAYA | LUTESCENS-104-00[1371]; | TR.AE | S | RUS:Omsk | |
| SIBAMBE | K-49698 | TR.AE | S | ECU | |
| SIBARA | TR.AE | S | MAR | ||
| SI-BEI-506 | K-42358 | TR.AE | S | CHN:Shanxi | |
| SI-BEI-CHZHAN-2 | K-42384 | TR.AE | W | CHN:Shanxi | |
| SIBERIAN-COW | WHITE-POLISH[39][1110]; | TR.PO | S | USA | |
| SIB-FROM-MENDOS | AUS-12215 | TR.AE | S | AUS | |
| SIBIA | K-64380 | CM-81355[1281][3692]; CM-81355-10Y-01M-0Y-2M-0Y[000]; | TR.AE | S | MEX |
| SIBIA-X | CM-81355-10Y-01M-0Y-10M-0Y-1Y-05XM[1281]; CM-81355[1281]; | TR.AE | MEX |