Ibis
Protection expiredHyacinthus orientalis L. · Common hyacinth
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.
Hyacinthus orientalis L. · Common hyacinth
Allium cepa L. var. cepa · Onion
Rudbeckia hirta L. · Black-eyed Susan
Fragaria x ananassa Duchesne ex Rozier · Garden strawberry
Humulus lupulus L. · Common hop
Coriandrum sativum L. · Coriander
Malus domestica (Suckow) Borkh. · Apple
Malus Mill. · Apple
Primula obconica Hance · German primrose
Phalaenopsis Bl. · Moth Orchid
Lilium L. · Lily
Pelargonium L'Hér. ex Ait. · Geranium
Agaricus bisporus (Lange.) Sing. · Button mushroom
Agaricus L. · Button Mushroom
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Agaricus bisporus (Lange.) Sing. · Button mushroom
Cichorium intybus L. · Chicory
Lilium L. · Lily
Brassica rapa L. subsp. campestris (L.) A. R. Clapham · Field mustard
Agaricus L. · Button Mushroom
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Saintpaulia ionantha H. Wendl. · African violet
Tulipa L. · Tulip