| Name | Asclepias californica subsp. greenei Woodson |
| Authorship | Woodson |
| Rank | Subspecies |
| Placed in | Asclepias californica Greene |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Asclepias californica subsp. greenei Woodson |
| Identification made in | [no date] (1) |
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