Contains 14 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Asclepias amplexicaulis | blunt-leaved milkweed | Native S4 (State Rank) G5 (Global Rank) | |
| Asclepias amplexicaulis × A. syriaca = A. ×intermedia | intermediate milkweed | Native FACU (NWPL EMP) UPL (NWPL NCNE) SNA (State Rank) GNA (Global Rank) | |
| Asclepias exaltata | forest milkweed | Native FACU (NWPL) FACU (NWPL EMP) UPL (NWPL NCNE) S4 (State Rank) G5 (Global Rank) | |
| Asclepias incarnata | OBL (NWPL EMP) OBL (NWPL NCNE) | ||
| Asclepias incarnata ssp. incarnata | western swamp milkweed | Native OBL (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) G5T5 (Global Rank) | |
| Asclepias incarnata ssp. pulchra | eastern swamp milkweed | Native OBL (NWPL EMP) OBL (NWPL NCNE) SNR (State Rank) G5T5 (Global Rank) | |
| Asclepias purpurascens | purple milkweed | Native Threatened-State FACU (NWPL EMP) FACU (NWPL NCNE) S2S3 (State Rank) | |
| Asclepias quadrifolia | four-leaved milkweed | Native S5 (State Rank) G5 (Global Rank) | |
| Asclepias rubra | red milkweed | Native OBL (NWPL) OBL (NWPL EMP) OBL (NWPL NCNE) SX (State Rank) G4G5 (Global Rank) | |
| Asclepias syriaca | common milkweed | Native FACU (NWPL EMP) UPL (NWPL NCNE) S5 (State Rank) G5 (Global Rank) | |
| Asclepias tuberosa | butterfly weed | Native S4 (State Rank) G5?T5? (Global Rank) | |
| Asclepias variegata | white milkweed | Native Endangered-State FACU (NWPL) FACU (NWPL EMP) FACU (NWPL NCNE) S1 (State Rank) G5 (Global Rank) | |
| Asclepias verticillata | whorled milkweed | Native Rare-State FACU (NWPL EMP) UPL (NWPL NCNE) S2 (State Rank) G5 (Global Rank) | |
| Asclepias viridiflora | green milkweed | Native Threatened-State S2 (State Rank) G5 (Global Rank) |