| Name | IONIA |
| Accession number | K-55244; CI-14469; AUS-14867 |
| Pedigree | REDCOAT/3*GENESEE[39][966][1318][1322]; |
| Species | TR.AE |
| Bot. variety | alborubrum[113][541][966] |
| Habit | W |
| Locality | USA:Michigan |
| Gene | H3[163][3599]; Rht-B1a,Rht-D1a[3941]; |
| Synonym | A-8500[1318]; JONIA[541]; |
| Status | CVR |
| Year | 1969 |
| Note | ML(A-5127+A-5131+A-5132+A-5134)[966] |
| Originator | Michigan Agricultural Experiment Station |
| Recommended for | USA(Michigan) |
| Years of use | 1969- |
| Maturing | M[966] |
| Market class | SWW[966] |
| Quality | |
| Resistance | Lr,Hf(biotype A),Lg[966] |
| Tolerance | |
| Moderate resistance | |
| Susceptibility | Pm,Sr[966]; Wssmv[000] |
| Sensitivity | GA[3941] |
| Insensitivity | |
| Morphology | Mod,no-Pc[966] |
| Comments | [000]-AWN,1984,V.31:144 |