Public domain
Plant breeders' rights are granted for a limited term. Upon expiration, the variety enters the public domain: its seeds can be propagated and sold without the rights holder's license.
Recent years are the most sought-after: the variety is free to use but still in production.
Beta vulgaris Sugar Beet Group · Sugar beet
x Triticosecale Wittm. ex A. Camus · Triticale
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Raphanus sativus L. var. sativus · Radish
Beta vulgaris Sugar Beet Group · Sugar beet
Capsicum annuum L. · Bell pepper
Triticum aestivum L. · Bread wheat
Solanum tuberosum L. · Potato
Tulipa L. · Tulip
Coöperatieve Kwekersvereniging "Arma" U.A.
Fragaria L. · Strawberry
Spinacia oleracea L. · Spinach
Solanum tuberosum L. · Potato
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Kartoffelzucht Böhm Inh. Gebr. Böhm KG (DE)
Cannabis sativa L. · Hemp
Fagopyrum esculentum Moench · Buckwheat
BF-LJ agr. (SI)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Prunus armeniaca L. · Apricot
Avena sativa L. · Oat
Cent. za strna žita (YU)
Cichorium intybus L. · Chicory
Zea mays L. · Maize
Solanum tuberosum L. · Potato
Fragaria L. · Strawberry
Steven D. Nelson, Michael D. Nelson, D. T. Schmida.
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn