Baby (center) growing with an L. koehresii population in Tamaulipas.
Adult O. leptocaulis sheltering a large L. koehresii in Tamaulipas.
Growing with an L. williamsii population in Nuevo Leon. (Next two images.)
This is an interesting Opuntia due to growing branches from its fruit as a means of vegetative propagation.
With L. williamsii growing at its base in Nuevo Leon.
Growing near a L. williamsii population in South Texas.