I think I've made a nice start to the Knickertwist's wildcrafting section. I haven't really bothered with the medicinal uses of these herbs, focusing mainly on the folklore and magical properties. So far I've got Chicory, Dandelion, Goldenrod, Soapwort, Queen Anne's Lace, and Yarrow, with plans to add more as time goes on.
The internet can be a good resource but there is a lot of silly misinformation out there. It's sort of like that telephone game where people repeat things and the message gets all messed up. If you are interested in herbs and herbalism consider investing in some great books. These books are my absolute favourite herbal resources: