About.com offers the most extensive list of carbohydrates in common vegetables, with over 50 listed. FatSecret and Low Carbe Diem also provide lists that include over 40 and 30, respectively.
The list from About.com offers information about the carbohydrates in different preparations and serving sizes of each vegetable. The site also offers glycemic loads, recipes and health benefits of each item.
FatSecret breaks down each vegetable into its net carbohydrates, sugar content, fiber and total carbohydrates. It also links to a complete list of nutrition information for each vegetable.
Low Carbe Diem lists the net carbohydrates in a one-fourth cup serving, unless otherwise specified.