| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| RIA | FMC-5318-B[3556]; D-5318-B[3556]; | TR.DR | S | USA | |
| RIACHUELOS-DE-ESPIGA-BLANCA | TR.AE | ESP | |||
| RIAL | K-45581; K-57269; PI-316006; ERGE-3182 | TR.AE | W | FRA | |
| RIALE,1933 | PI-132861; GLKU-3771; AUS-1076 | TR.AE | I | ITA:Bologna | |
| RIALE,1987 | AUS-24990 | TR.AE | S | ITA | |
| RIALTO | K-63914; AFRC-9430; ERGE-4876 | CWW-90-1[1478][1541][4325]; | TR.AE | W | GBR:England |
| RIAVKA | TR.AE | W | ITA | ||
| RIBA | TR.AE | CHL | |||
| RIBAND | K-61493; PI-592114; AFRC-5552; AUS-22685 | CWW-3547-1[667][113]; | TR.AE | W | GBR:England |
| RIBATEJANO | CI-7039; PI-56231 | TR.AE | S | PRT:Lisboa | |
| RIBATEJANO-2863 | PI-192598 | TR.AE | S | PRT | |
| RIBEIRO,ESP | PI-192624; | TR.AE | S | ESP | |
| RIBEIRO,PRT | K-21820; CI-7014; PI-185706,56206,192785 | RIBEIRINHO[39]; TREMES,TR.AE[39]; ELVAS-2728[129]; RIBEIRO-2728[39]; | TR.AE | S | PRT |
| RIBERO | AUS-12285 | TR.AE | ESP | ||
| RIBOR | TR.AE | CHL | |||
| RICANA | TR.AE | S | BRA | ||
| RICARDO | K-53496; CI-6306 | TR.AE | W | NLD | |
| RICCIO | K-41775 | TR.AE | S | ITA | |
| RICCO-DI-LECCE | TR.DR | W | ITA | ||
| RICCO-DI-MATERA | TR.DR | W | ITA |