Asclepias

Asclepias syriaca

Common milkweed

Asclepias tuberosa

Pleurisy-root

Asclepias curassavica

Bastard ipecacuana

Asclepias incarnata

Swamp milkweed

Asclepias asperula

Antelope horns

Asclepias viridis

Antelope-horns

Asclepias speciosa

Greek milkweed

Asclepias verticillata

Horsetail milkweed

Asclepias fascicularis

Mexican milkweed

Asclepias viridiflora

Green comet milkweed

Asclepias oenotheroides

Asclepias linaria

Pineneedle milkweed

Asclepias variegata

Redring milkweed

Asclepias quadrifolia

Four-leaf milkweed

Asclepias exaltata

Poke milkweed

Asclepias amplexicaulis

Clasping milkweed

Asclepias subverticillata

Asclepias eriocarpa

Indian milkweed

Asclepias purpurascens

Purple milkweed

Asclepias perennis

Smooth-seed milkweed