Hello, your best port of call is

http://www.uesp.net/wiki/main_page

but be warned, MAY CONTAIN SPOILERS, so it is always worth trying to work it out for yourself, if poss!

For the plants, the Dragons tongues are a) around Fort Redwater and b) generally south of Bravil - the Redwort Flowers are located on the shore of the Blackwood swamp or at Fort Bulwark of you have the Knight of the Nine plugin

Good luck!

folding@home only runs when you are NOT playing a game, or using the PS3 in any way.

If you are someone who switches off your PS3 when your're not using it then it is not worth downloading f@h

BUT I would suggest that you consider it as f@h does a lot of good work on trying to work out cellular structures and causes of diseases such as cancer and alzheimers and SONY specifically linked up with them to offer the remote global processing power that is provided by owners of PS3s.