Herbal Traces: Medicinal Plants of South-Central Texas Art Exhibition Reception Join in to celebrate the intersection of art and nature, with the upcoming art exhibition, Herbal Traces: Medicinal Plants of South-Central Texas. Showcased in the windows of the Ozuna Library and Learning Center, (2nd floor), this captivating installation highlights the importance of preserving our regional flora and its healing properties, while also creating a visually stimulating experience for all passersby.