In the 5 years I've been with UCCE, I have received a few recurring weed-related questions. I've certainly had some unique requests, like how to deal with fig trees invading a livestock water pipeline, or whether filaree might be harmful to guinea pigs (it isn't). But often, questions I receive about rangeland or pasture weeds fit under three categories:

1. Is this plant toxic to my animals?
2. How can I get rid of yellow starthistle?
3. What can I plant in my pasture to outcompete all these weeds?

Of course, each question has its own “It depends”-style answer. But today, I want to share the resources I...