Zentangles, then visit the website for a complete explanation and all sorts of online resources. I'm also a big fan of TanglePatterns.com
The second daisy, measuring 5x6 inches, uses the same design for each petal, though I don't know it's name. I saw it in a book and replicated it, the centre is ammon and the stem is onamato.
Our next challenge has been designated by Marie at Daisy's Book Journal. You are welcome to visit her site for the details and due date. Then join use back here on that date and add your link. If you tangled a daisy, please add your link below. Feel free to grab the cute button that Tami from Just One More Thing designed for our use.