Could you post a picture of it growing in the yard, looking right down at it?

It also has little two prong v shaped stickers growing on them

I'm stumped - I looked at a lot of Texas weed sites, and can't find one that looks like yours AND has stickers. If no-one else jumps in here, I recommend that you post this on the Name That Plant forum.

Try Name That Plant, then; there are some amazing people there, from all over the country and the world, and one of them has to have seen your weed.