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.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Allium cepa L. · Onion
Semenarna Ljubljana, SI
Valeriana officinalis L. · Common valerian
Solanum lycopersicum L. · Tomato
Malus Mill. · Apple
Petunia x hybrida hort. ex E. Vilm. · Garden petunia
Tithonia rotundifolia (Mill.) S. F. Blake
Tulipa L. · Tulip
Panicum miliaceum L. · Proso millet
Agrimonia eupatoria L.
Hordeum vulgare L. · Barley
Agronomski fakultet Sveučilišta u Zagrebu, Zavod za sjemenarstvo (HR)
x Triticosecale Wittm. ex A. Camus · Triticale
Begonia x tuberhybrida Voss · Tuberous begonia
Triticum durum Desf. · Durum wheat
Vicia faba L. · Broad bean
Anthurium Schott · Anthurium
Clarkia amoena (Lehm.) A. Nelson & J. F. Macbr. subsp. lindleyi (Douglas) F. H. Lewis & M. R. Lewis · Godetia
Viola x wittrockiana Gams · Garden pansy
Tanacetum parthenium (L.) Sch. Bip. · Feverfew
Tanacetum parthenium (L.) Sch. Bip. · Feverfew
Tulipa L. · Tulip
Solanum tuberosum L. · Potato
Beta vulgaris Sugar Beet Group · Sugar beet
Lilium L. · Lily