what is this plant???

Every year I get something new popping up. Central texas. It's the only living plant in the horses housing area and the horses won't eat it.  Theres several more where the cows pasture. It's fixing to bloom and thinking I need to get rid of it.

One more.

Snow on the Prairie http://www.npsot.org/TrinityForks/TrinityForksWeb/Dorothy/snow-on-the-prairie.html

or Snow on the Mountain  http://www.wildflower.org/plants/result.php?id_plant=EUMA8

No real need to get rid of it unless it really takes over.  It's toxic but animals won't eat it.  If you're concerned, just pull the ones where animals are confined to small areas, but I think it's fine to leave it in pastures.  If it starts to spread, it's probably indicating overgrazing.

Thanks! Do have it also?

Yes, we have it, one of the few things, besides Mexican Hat, that survives overgrazing of our too many sheep...

Lol. We added some cows and I get so worried that what they are not eating is gonna over run the pasture.  I just mowed portions of Mexican hat 2 weeks ago.

After reading the links I'm gonna dispose of the snow on mountain. It's new this year. Never had it before. My wife has some longterm health issues and this plant would make it worse.  Not gonna chance it.

Fortunately the Snow on the Thing are not hard to get rid of.  Mexican Hat on the other hand, are very persistent and need mowing to keep them from going to seed.  I'm just letting them over-run the place because at least they keep the soil covered.  We're going to let nature take it's course with our little pastures.  Ideally we'd like more variety of native plants.