WE JUST GOT BACK FROM OUR DESERT TORTOISE PRESERVE IN SOUTHERN CALIFORNIA AND THIS IS GROWING RAMPID ON OUR NEW YORK ESTATE.I WOULD LIKE TO KNOW WHAT IT IS AND IS IT TOXIC.WE NEVER HAD IT BEFORE, FRANK
That appears to be creeping charlie, and if so, yes it is toxic.
There is a section on the forum special for plant identification, it is under the "Food and Diet" section. It might make it a bit easier to put you plant questions there, so the right people see your posts
Someone I.D.'d this on one of your other threads. I think it was Kristina. Its creeping charlie. (I merged the two threads and deleted some of the duplicate posts) Here's a link to a nice list of tortoise plants and poisonous plants put out by the Gulf Coast turtle & Tortoise club: