The leaves seem smaller than the sample pictures I see.

A prickly weed who's name I don't even know.

Jumping Cholla or ?

A tiny flower on a ground spreading plant.

Another garden escapee...

Those look taller than the other specimen I observed in the same general area.

Again similar to Isocoma or... ?

Isocoma or ?

Very elongated and not very spiny.

Fairly short spines

If I am not mistaken, this would be an edible plant that I have seen sold in Mexican markets.

The last picture is of a seed which resembles a large tick.

Another garden escapee. The last picture is of the parent plant.

Fireweed I believe but I do not know the scientific name. I will update if I find out.

Spines mostly on or just below the flowers.