| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| KOSUTA | TR.AE | W | YUG | ||
| KOSUTKA | K-56380; AUS-22846 | SK-2100-7-73[40][1592]; | TR.AE | W | SVK |
| KOSUTSKA | K-44847; PI-428648; AUS-15760 | SL-K-199[1592]; | TR.AE | W | SVK |
| KOTA | K-14924; K-5244; CI-5878; AFRC-6566; | R.B.R.3[39][1110]; TD-4[2666]; CAN-1364[74]; | TR.AE | S | USA:North-Dakota |
| KOTAIK | TR.AE | W | ARM | ||
| KOTARE | AUS-23362 | TR.AE | W | NZL | |
| KOTOVCHANKA | K-54036; | ERYTHROSPERMUM-531[000]; | TR.AE | W | UKR:Odessa |
| KOTOVCHANKA-1 | K-54037 | TR.AE | W | UKR:Odessa | |
| KOTRA | K-65172 | TR.AE | W | BLR | |
| KOTTE | K-34231; NGB-6693; AUS-2178 | CONE[39][113][221]; SV-0318[221]; | TR.AE | W | SWE |
| KOTUKU | TR.AE | I | NZL | ||
| KOUDIAT-1 | TR.AE | DZA | |||
| KOUDIAT-2 | KOUDIAT-II[2331]; | TR.AE | S | DZA | |
| KOUDIAT-A-2 | PI-174665; | TR.AE | S | TUN | |
| KOURIFLA-73 | II-30842-31R-2M-2Y-0M[2331]; | TR.AE | S | MAR | |
| KOUTERLITSA-KATERINIS | TR.AE | GRC | |||
| KOUTROULIAS | RHAPSANI[39]; | TR.TG | GRC | ||
| KOUTROULIAS-IOANNINON | KOUTROULIA-IOANNINON[4148]; | TR.AE | GRC | ||
| KOUTROULIAS-TYRNAVOU | TR.AE | GRC | |||
| KOVARECKA-BIELA-24 | TR.AE | W | SVK |