| Name | Astrohibiscus caesius (Garcke) McLay & R. L. Barrett |
| Authorship | (Garcke) McLay & R. L. Barrett |
| Rank | Species |
| Placed in | Astrohibiscus McLay & R. L. Barrett |
| Citation | 2024 Syst. Bot. 49(1): 97 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Astrohibiscus caesius (Garcke) McLay & R. L. Barrett |
| Identification made in | [no date] (1) |