This may be the most valuable resource for those of you in the USA to keep your gardens on the up and up
I would like to write more on this but I think that this resource speaks for itself.
This link will take you directly to the plants.USDA.gov website.
USDA Introduced, Invasive and Noxious Plants Listing by StateCheck your State to make sure you are in compliance.
The Search function is very easy to use and they have tones of pictures of different plants and seeds, but not all plants have photos.
Best of luck to you in creating your Sustainable Gardens