Salad with Berries and Pecans

• 1 5 ounce package mixed baby greens (or baby arugula)
• 1/2 package blackberries (3 ounces total)
• 1/2 package raspberries (3 ounces total)
• 15 pecan halves

For the vinaigrette:

• 1 tablespoon Champagne vinegar
• 1/8 teaspoon kosher salt ( and freshly ground pepper, to taste)
• 1/2 teaspoon dried basil
• 3 tablespoons extra-virgin olive oil