Dr. Barron Rector



Associate Professor & Extension Range Specialist


Range ecology, poisonous plant mangement


Ph.D. Texas A&M University - Rangeland Eco. & Mgmt
M.S. Angelo State University - Biology
B.S. Angelo State University - Biology


(979) 845-2755




Texas A&M University
Horticulture Forest Science Building
Room 302
MS 2138 TAMU
College Station, Texas 77843-2138 USA

Dr. Rector, Extension Range Specialist at Texas A&M University, is with the Texas AgriLife Extension Service in the Department of Ecosystem Science and Management. Dr. Rector received his B.S. (1972) and M.S. (1976) in Biology (with an emphasis in Plant Taxonomy) from Angelo State University. He received his Ph.D. (1983) from Texas A&M University in Rangeland Ecology and Management. From 1973 to 1981, he served with Texas AgriLife Research in San Angelo, Texas. His professional experience is biology, chemistry, plant taxonomy, environmental ecology and range animal nutrition. Dr. Rector's current program responsibility include urban natural resource program development, rangeland seeding, grazing management, plant ID and youth programming.

Dr. Rector's educational programming responsibilities focus on teaching rural and urban constituencies principals of ecology, range monitoring, how to evaluate biological interrelationships of ecosystems. These principals are taught by presentation, development of news articles, popular articles, videos, demonstration and on-site visits. Issues involving urban sprawl and the impact of man on the rangeland ecosystem is an important area of programming interest.

Dr. Rector is recognized nationally and internationally for his plant identification skills, training workshops which include discussing poisonous plant issues, exotic, noxious weed management and plant materials important to agriculture and urban interests in native plants. He is also nationally and internationally known for his work with training youth about natural resources conservation and use, to include the development of youth leadership programs. Barron has received numerous awards for his ability to effectively communicate with clientele about the rangeland resource.

Contact Us

We have moved! After a restructuring that occurred in January 2020, our department and the Department of Wildlife and Fisheries Sciences disbanded. From the restructuring, two new departments were formed. Visit the new departmental sites for up-to-date information. 

Learn More:
Ecology and Conservation Biology
Rangeland Wildlife and Fisheries Management

Advising for ESSM:
Advising for students in the legacy ESSM programs is now situated under AGLS Advising Center 7

Undergraduate Advising | Ann Pool
Graduate Advising | Amanda Ray

Department Resources

College of Ag and Life Sciences

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