Lynn, I think that would be solved by using the "Also sold as..." type of field. Where a name that is commonly used to sell this cultivar, but it's not a correct name, could at least be entered there for the benefit of identification and searching.
Zuzu, the moderators should ultimately have full power of over-riding any thumbs up or crowd-sourced decision. In any case where they do not, I can write the software to allow it.