Preheat a griddle over medium heat.Whisk together the flax and water and set aside to gel.In a large mixing bowl, whisk together the flours, baking powder and salt.Beat together the flax eggs, milk, oil and syrup then pour into the dry and mix until a smooth batter forms.Grate the zucchini on a box grater and the place the shredded zucchini in a clean dish towel. Squeeze it into a ball and press all the moisture from the zucchini. Fold it into the batter.Lightly grease your griddle with nonstick cooking spray or coconut oil. Ladle ¼ cup of batter onto the griddle and repeat until you have filled your pan. Cook the pancakes until small bubbles begin to form around the edges, about 2 - 3 minutes. Flip and cook for another 1 - 2 minutes longer until the other sides are golden brown. Repeat until no batter remains.Serve warm with vegan yogurt, chocolate chips, fresh berries and pure maple syrup.