■(IB) 'Ultra' 1926, Sass 'Ultra' (Hans Peter Sass, 1926). IB, Early bloom and rebloom. Color Class B1D. Hill 1932. From the 2022 Rebloom Checklist: Rebloom repor...
■(IB) 'Ultrafioletovy Mir' 2008, Loktev 'Ultrafioletovy Mir' Ультрафиолетовый мир (Sergey Loktev, R. 2008) Seedling 00 539 3. Height 22". Early to late bloom. Sta...
■(IB) 'Up And Atom' 2002, Miller 'Up And Atom' (Lynda Miller, R. 2002). Seedling #2397A. IB, Height 17" (43 cm), Midseason to late bloom. Standards light buttersc...