Viewing post #1286572 by sooby

purpleinopp said:

I could find no record of a patent for either. Are there other facilities besides patents for decreeing to the world that a plant cultivar exists?

Yes, either registration with the ICRA (International Cultivar Registration Authority) for the genus, or independently in print in a circulated publication acceptable under the ICNCP (International Code of Nomenclature for Cultivated Plants). Maybe also with a plant patent/variety rights of another country.