Asclepias

Asclepias gibba

Asclepias hallii

Hall's milkweed

Asclepias hirtella

Asclepias humilis

Asclepias incarnata

Swamp milkweed

Asclepias involucrata

Asclepias jaliscana

Asclepias kamerunensis

Asclepias lanceolata

Fewflower milkweed

Asclepias latifolia

Broadleaf milkweed

Asclepias leptopus

Asclepias linaria

Pineneedle milkweed

Asclepias longifolia

Longleaf milkweed

Asclepias lynchiana

Asclepias melantha

Asclepias mexicana

Asclepias meyeriana

Asclepias nyctaginifolia

Asclepias obovata

Pineland milkweed

Asclepias amplexicaulis

Clasping milkweed