I may have missed some posts about clickability, but I added Morning Glory (Ipomoea 'Split Second') to my list by typing the name into "Add a new item to your swap list " , and then clicking on the name that was offered.
That was clickable from my Swap List.
(Firefox)
By the way, I kept looking for the recycle / swap icon in the Plant database it self ... did I miss it or is it deliberately not there? Navigating around the database is familiar, "My Plant List" less so.
Well, if I spend more time "in My Plant List", I'll get familiar with it!