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.
Zea mays L. · Maize
SEMENCES NICKERSON S.A.
Pisum sativum L. · Pea
Wenzelsche Saatzucht und Lagerhallen GmbH u. Co KG
Beta vulgaris Sugar Beet Group · Sugar beet
KWS| KWS SAAT AG
Avena sativa L. · Oat
Nilsson, Bengt
Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
GUTBIER| Gregor Gutbier
Begonia L. · Begonia
Man, Jan|Lisse, Netherlands
Helianthus annuus L. · Sunflower
SUDWESTDEUTHE SAATZUCHT
Chrysanthemum L. · Chrysanthemum
CALLAHAN'S GREENHOUSE, INC.
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Rosa L. · Rose
HEJNDORF| Poul Hejndorf c/o Skjoldvang A/S
Rosa L. · Rose
POUW| A.A. Pouw
Rosa L. · Rose
POUW| A.A. Pouw
Rosa L. · Rose
POUW| A.A. Pouw
Rosa L. · Rose
RUITER GIJSBERT| Gijsbert de Ruiter
Rosa L. · Rose
RUITER GIJSBERT| Gijsbert de Ruiter
Rosa L. · Rose
POUW| A.A. Pouw
Rosa L. · Rose
POUW| A.A. Pouw
Kalanchoe Adans. · Kalanchoe
Mikkelsen, James C.|Ashtabula, OH
Dahlia Cav. · Dahlia
SLUIS ORNAMENTALS B.V.
Dahlia Cav. · Dahlia
Seminis Vegetable Seeds
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Allium cepa L. var. cepa · Onion
ROYAL SLUIS
Beta vulgaris Fodder Beet Group · Mangelwurzel
ILVO-PLANT 39
Helianthus annuus L. · Sunflower
Sebastien Shatre