Combine the dandelion greens, chives, and garlic shoots in a serving bowl. Using tongs or two wooden spoons, toss to combine. Drizzle the olive oil evenly over the greens, and toss to coat. Drizzle the lemon juice evenly over the greens, then drizzle flax oil evenly over the top, sprinkle with sea salt and pepper, and toss to combine. Taste for seasonings.