plant

Efforts to control the invasive species buffelgrass are expanding across the city of Tucson. The School of Natural Resources and the Environment is involved at several sites including Tumamoc Hill and the Santa Rita Experimental Range. SNRE research specialist, Travis Bean is orchestrating the removal of buffelgrass from Tumamoc Hill on the west side of Tucson.

Welcome to the homepage of ARIZ, the vascular plant herbarium at the University of Arizona in Tucson. With over 380,000 specimens, ARIZ is the largest herbarium in the arid southwest and unique in having the largest collection in the world of plants from Arizona and Sonora, Mexico. These collections support a rich diversity of research projects by herbarium staff as well as resident researchers.