Right, Ken . .
but don't you get updated info from your County Extension, and the University, too? Surely you don't teach the very same 'Tropical Plants' course year after year? Lots of things change, like plant names, diseases, fertilizers and pesticides to just name a few but you know this.
The originator of this thread, Plantsmylove, was asking how to contact the author of a book they were reading called the Big Bad Book of Botany because they thought some of the info in there was wrong.
Just sayin' y'know . . it probably is but there's really no use telling the author now. The lesson to be learned is to keep current by doing research online or through sources that are up to date, like good gardening magazines.