Could it be a link in the database? A sort of "for additional info" type link? I was thinking while searching for plant info that there was so much info available, but not not necessarily specific to a single plant/cultivar.
Something like the above info would be nice to access, and could be a part of the database like you find on tropico, EOL. etc.
ATP Database
Chrysanthemum
Then have a sticky locked thread that gives the links for the National Chrysanthemum Society etc.