Cacti share Dyckia habitat with many other plants and rocks are all over the place.
I think all and every information your eyes get from here is very important as they might help you to better understand Dyckias.
Notice the huge lichen colony.
Lichen is fungi and algae association.
They feed or contribute to Dyckias health as they die and form substrate to Dyckias.
This tree is amid rocks and it belongs to the same family pine trees belong to.
This is a podocarpus. It is native and it is a sort of pine tree.
Bushes and trees.
Notice the retorted branches and the coarse bark. This denotes a xeric environment.