Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of false garlic flowers

    False Garlic

    Nothoscordum bivalve
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of a Queen Anne's lace flower cluster, seen from the top