Hey folks, I'm relatively new here so I hope I post in the right subforum and don't break any rules, but I found this website and thought it might be useful to someone (It was to me)...
Under
http://hortipedia.com you can find a relatively big wiki-style plant database (not directly
permaculture related) which you can filter for different properties like hardiness, soil preference,
water needs and so on. It also has lots of pictures so it might help you identfy or find a plant.
Hope this helps, cheers from Karlsruhe, Tobi