#1 question: What kinds of seeds are in there? Other questions: are the plants an invasive species? will they crowd out other plants? I imagine if they can be

#1 question: What kinds of seeds are in there? Other questions: are the plants an invasive species? will they crowd out other plants? I imagine if they can be thrown "anywhere" they don't need much water/soil to survive. Like most of the weeds growing around my backyard.