Hello
After doing much research, the information from iguanaden made the most sense and had the longest track record. Do your research and go with whatever makes the most sense to you based on results not just theory.

Here is an example of what's on iguanaden.org

Staple 2 or 3: collard greens, dandelion greens, arugula

Variety 3 to 5: mustard greens, watercress, cilantro, swiss chard, escarole, endive, turnip tops, chickory, mustard spinch

Greens:small amounts
Acorn Squash (grated)
Butternut Squash (grated)
Yams (grated)
Parsnips
Green Beans
Peas

Fruits:rarely and not that often
Grapes
Strawberries
Melons (honeydew, cantaloupe, watermelon)
Blueberries
Raspberries
Mango

For more information go to the website.