Family name พฤกษาเหตุ (พฤกษาเหตุ 
) , throughout the world, is an extremely rare last name. The cognomen พฤกษาเหตุ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พฤกษาเหตุ | Thailand |