A. constricta
# A. constricta

A. constricta may refer to:

* Aaadonta constricta, a land snail species endemic to Palau
* Acacia constricta, the whitethorn acacia, a shrub species native to Mexico and the southwestern United States
* Alstonia constricta, the quinine bush or bitterbark, a shrub species endemic to Australia
