| Name | Hydrangea tapalapensis Samain, Najarro & Esteban Martínez | 
| Authorship | Samain, Najarro & Esteban Martínez | 
| Rank | Species | 
| Placed in | Hydrangea | 
| Citation | 2019 Acta Bot. Mex. 126(e1463): 34 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hydrangea tapalapensis Samain, Najarro & Esteban Martínez | 
| Identification made in | [no date] (2) |