| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| QUANTUM-706 | XH-1706[4361]; | TR.AE | W | USA:Indiana | |
| QUANTUM-708 | TR.AE | W | USA | ||
| QUANTUM-7203 | EH-9503[2107]; | TR.AE | W | USA:Indiana | |
| QUANTUM-7406 | XH-1706[2119][3292]; | TR.AE | W | USA:Colorado | |
| QUANTUM-7424 | XNH-1824[4361]; | TR.AE | W | USA | |
| QUANTUM-7460 | XH-1860[2119]; | TR.AE | W | USA:Indiana | |
| QUANTUM-7504 | WX-94-1604[2119][3292]; | TR.AE | W | USA:Indiana | |
| QUARNA | CH-21112283[000]; | TR.AE | S | FIN | |
| QUARRION | K-60616; PI-483063; AUS-22111 | M-2504[176][760][113][1349]; | TR.AE | W | AUS:New-South-Wales |
| QUARTZ | TR.AE | AUS:New-South-Wales | |||
| QUARTZO | TR.AE | S | BRA | ||
| QUARTZY,NSW | TR.AE | AUS:New-South-Wales | |||
| QUARTZY,VICTORIA | TR.AE | S | AUS:Victoria | ||
| QUATTRO | K-63478 | TR.AE | S | DEU | |
| QUATTROCOSTE | TR.AE | W | ITA | ||
| QUATTROCOSTE-RAZZA-148 | K-26543 | TR.DR | S | ITA | |
| QUATUOR | TR.AE | W | FRA | ||
| QUDS | TR.AE | S | IRN | ||
| QUEBON | RICP-01C0107012 | TR.AE | W | DEU | |
| QUEBRANTAHUESOS-TCL-99 | PI-613159 | CTY-90-1406-1M-1Y-0M-4Y-0M-2B-0Y-QUAEM[2965]; QUEBRANTAHUESOS[2964]; | TR.SE | S | MEX |