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It is the eighth-largest herbarium in Texas and represents the most complete floristic inventory of the Concho Valley of Texas.

In addition to this special emphasis, the Herbarium serves as a permanent depository for voucher specimens for floristic surveys of several unique areas in West Texas, including Big Bend National Park, Texas Nature Conservancy Big Brushy Canyon and Texas Nature Conservancy Independence Creek.

Specimens resulting from several ecological and systematic studies of rare plants are also housed in our collection. We have significant holdings in the Poaceae and Cyperaceae. Our official abbreviation is SAT.

The Herbarium employs undergraduate assistants and welcomes volunteer help.

Collection Curator

Dr. Carlos Maya-Lastra is the current curator of the SAT herbarium. If you have any inquiries about visits, loans, and access to the specimens, please do not hesitate to reach out to him at