| Name | Asclepias cryptoceras subsp. davisii (Woodson) Woodson |
| Authorship | (Woodson) Woodson |
| Rank | Subspecies |
| Placed in | Asclepias cryptoceras S. Watson |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Asclepias cryptoceras subsp. davisii (Woodson) Woodson |
| Identification made in | [no date] (8) |