=Complete | =not all info yet |
# | Cultivars/hybrids of Kuhn, H. ordered by name year | Reg. | |
---|---|---|---|
1 | Howard Kuhn ![]() ![]() Howard Kuhn (R. degronianum ssp degronianum x 'Siouxon x sanguineum ssp sanguineum var haemaleum') (r.) | 1986 | y |
2 | Tholasma ![]() ![]() Tholasma ('Exbury Yakushimanum' x R. lanatum) (r.) | 1992 | y |