I'm sure you can find other articles on the rest. :) You can search them by clicking on a random article and type in the search box what you want to search. Then you can choose an article you want to read.
I frankly do not see how herbalism is part of the basics. I see you put it as optional but I don't see any relation from it to other fields of study and so I cannot see how it warrants under basics . I frankly think it is quite superfluous ..may I ask you on your reasoning on why it is under there ?