| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| RED-CHAFF-BEARDED | GOENS[39]; | TR.AE | |||
| RED-CHAFF-HAIRY-NECK | AUS-20736 | TR.AE | |||
| RED-CHAFF,TR.CO | CI-4241; AUS-10732; | FOISY[000]; | TR.CO | S | USA |
| RED-CHAFF-W-1 | CI-11404 | TR.AE | W | USA:Oregon | |
| RED-CHIEF,AUS | CI-3392; | TR.AE | S | AUS:Queensland | |
| RED-CHIEF,USA | K-22155; CI-12109; CI-3392; AUS-3223 | EARLY-RED-CHIEF[39][1110]; DELUXE-RED-CHIEFF[1111]; SUPER-RED[1111]; SUPER-RED-CHIEFF[1111]; REDCHIEF[39][541]; | TR.AE | W | USA:Kansas |
| RED-CLAWSON | K-22154; PI-565369; CI-3393 | CLAWSON[39][1110]; EARLY-RED-CLAWSON[39][1110]; ZELLERS-VALLEY[39][1110]; ZALLERS-VALLEY[2331]; | TR.AE | W | USA:New-York |
| REDCOAT | K-44887; CI-13170; AFRC-7177; AFRC-4259 | PURDUE-4548-A-2-5-18[426][1112]; PD-4548-A-2-5-18[1318][2331]; P-4548-A-2-5-18[3733]; RED-COAT[77][96]; 5517-B-8-5-3-3[234]; CD-6707,CAN[2331]; | TR.AE | W | USA:Indiana |
| RED-CROSS,NLD | TR.AE | W | NLD | ||
| RED-CROSS,USA | HARVEST-QUEEN[39]; RED-MAY[39][1110]; FLINT[39]; MICHIGAN-AMBER[667]; | TR.AE | W | USA | |
| RED-DANTZIG | AFRC-998 | TR.AE | W | IRL | |
| RED-DROTTNING | AFRC-1105 | TR.AE | W | SWE | |
| RED-EGYPTIAN | PI-17016-2-C; CI-6102; CI-12345; PI-45415; | STROMBERG-ROOI-KOREN[1322]; ROOI-EGIPTIES[39][1342]; ROOI-BEENTJE[39]; ROOI-BEENTJIE[39]; PI-170916-2-C[3665]; | TR.AE | S | ZAF |
| RED-EGYPTIAN,AUS-3227 | AUS-3227 | TR.AE | S | ZAF | |
| RED-EGYPTIAN,PI-17016 | PI-17016; AUS-95041 | PI-170916[3665]; | TR.AE | ZAF | |
| RED-EGYPTIAN,TR.CO | K-38497 | TR.CO | S | USA | |
| RED-EGYPTIAN-TYPE | PI-170910; AUS-3236 | TR.AE | ZAF | ||
| REDENCION | CM64566-3AP-1AP-2AP-0AP[3589]; | TR.AE | S | BOL | |
| RED-ENGLISH | OLD-RED-LAMMAS[39]; | TR.AE | |||
| REDFAST | AFRC-1206 | TR.AE | W | GBR:England |