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CCDB → Angiosperms → Apocynaceae → Asclepias → Asclepias speciosa Torr.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Asclepias speciosa Torr. | Asclepias speciosa Torr. | 22 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Asclepias speciosa Torr. | Asclepias speciosa Torr. | 11 | IPCN67-71 | NIEHAUS, T., & L. WONG, JR. 1971. In IOPB chromosome reports XXXII. Taxon 20: 3Q9-356. | |||
| ! | Asclepias speciosa Torr. | Asclepias speciosa Torr. | 22 | Darlington, 1955 | Moore 1946 |