Kundred, 1961, USA
Blonk, Nederland, 1950
Krekler, 1962, USA
Klehm, 1970, USA
Freeborn, 1943, USA
Origin unknown
Saunders, 1941, USA
Dessert, 1920, France
Klehm, 1972, (Plant Patent 3644), USА
Anderson, 1986, USA
Klehm, 2007, USА
Krekler, 1975, USA
Hoogendoorn, 1949, USA
Murawska, 1947, USA
Klehm, 1981, USА
Klehm, patent 4249, 1959, USA
Klehm, 1995, USА
Mains, 1956, USA
Wassenberg, 1954, USA
Bockstoce, 1955, USA
Bigger, 1952, USA
Lins, 1942, USA
Nicholls -Wild, 1964, USA
Krekler, 1963, USA
Wild, 1967, USA
Auten, 1939, USA
Auten, 1945, USА
White — Wild,1954, USA
Hollingsworth, 1994, USА
Bigger,1957, USA
