Know Your Milkweed The Xerces Society and Monarch Watch created a series called Roadside Habitat for Monarchs that help in identifying milkweed species. Roadside Habitat for Monarchs: Milkweeds of AR, LA and MS Roadside Habitat for Monarchs: Milkweeds of FL Roadside Habitat for Monarchs: Milkweeds of OK and TX Roadside Habitat for Monarchs: Milkweeds of AL, KY, SC, TN, GA, and NC