Small Herbivorous Lizards?

[Colubrids&Boids]

Ok, So im a noob at lizards.
Is there any species of small lizard that is Mostly of Fully
herbiverous lizards.

Something that can fit in a 20 gallon long or a 30 gallon standard
or something relativley small.

thanks

 

[Mampam]

a princely mastigure?? also know as uromastix

 

[latshki]

they would need a 40 gallon breeder

 

[coura]

Also the smallest uros tend not to be the hardyest. I can think of a few like desert iguanas and chuckwallas but they all need way more space then that