Now and then I come across great articles on aquatic plants that are great to use in betta tanks, and thought I'd like to share those here when I do find them - and of course I'd like to read those found by others.
Please don't forget to give proper credit to the author in your post, with a link to the article. :)
Here's one about the many Anubias species, by Eugene Zagnitko, very worth reading (I didn't realise there were so many kinds of anubias!):