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.
Callistephus chinensis (L.) Nees · China aster
Thymus vulgaris L. · Common thyme
Malva sylvestris L.
Centaurea benedicta (L.) L. · Blessed Thistle
Agrimonia eupatoria L.
Trigonella foenum-graecum L. · Fenugreek
Salvia officinalis L. · Sage
Lavandula angustifolia Mill. · English lavender
Triticum aestivum L. · Bread wheat
Cent. za strna žita (YU)
Raphanus sativus L. var. sativus · Radish
Malus domestica (Suckow) Borkh. · Apple
Populus x canadensis Moench · Carolina poplar
Rosa L. · Rose
Rosa L. · Rose
Pyrus communis L. · European pear
Vicia faba L. var. minuta (hort. ex Alef.) Mansf. · Tick Bean
Saatzucht Gleisdorf (AT)
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
Bejo Zaden (NL)
Raphanus sativus L. · Radish
Prunus cerasus L. · Sour cherry
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Allium cepa L. · Onion
Semenarna Ljubljana, SI
Pyrus communis L. · European pear
Cannabis sativa L. · Hemp
Gödöllö Agr. Egyetem Kut. (HU)
Ribes uva-crispa L. · Gooseberry