Asclepias amplexicaulis
| Sand milkweed |
Asclepias exaltata
| Poke milkweed |
Asclepias hirtella
| Tall green milkweed |
Asclepias incarnata
| Swamp milkweed |
Asclepias incarnata subsp. incarnata
| Swamp milkweed |
Asclepias meadii
| Mead's milkweed |
Asclepias perennis
| Thin-leaved milkweed |
Asclepias purpurascens
| Purple milkweed |
Asclepias quadrifolia
| Whorled milkweed; Four-leaved milkweed |
Asclepias sullivantii
| Prairie milkweed; Sullivant's milkweed |
Asclepias syriaca
| Common milkweed |
Asclepias tuberosa
| Butterflyweed |
Asclepias tuberosa subsp. interior
| Butterflyweed |
Asclepias tuberosa subsp. tuberosa
| Butterflyweed |
Asclepias variegata
| Variegated milkweed; White milkweed |
Asclepias verticillata
| Horsetail milkweed; Whorled milkweed |
Asclepias viridiflora
| Green-flowered milkweed; Short green milkweed |
Asclepias viridis
| Green milkweed; Green-flowered milkweed |