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Native Plant Society of Texas

San Antonio Chapter

Best Practices in Invasive Species Control in Central Texas

**ARCHIVED POST ** from 2021-09-11

7:00 pm – Meeting and program
Best Practices in Invasive Species Control in Central Texas

Invasive species threaten the persistence of native species, ecosystem health, and the services ecosystems provide humans. Efforts to define invasive species, grapple with the nature of their existence, and control them has occupied substantial human brain-space and multitudes of pages of scientific journal articles. In this talk, Dr. Kelly Lyons, Professor of Biology at Trinity University, will discuss her long-term research on invasive species in grasslands and emerging standard best practices for their control, with practical information on specific management approaches. She will also briefly present her current research identifying differences among fungal species that reside in native and exotic grasses in Texas. A substantial portion of the talk will be dedicated to Q&A and discussion to address members’ concerns and curiosities about invasive species and their personal observations and perspectives.

Register for this Meeting: https://us02web.zoom.us/meeting/register/tZYlf-itpjkuHtDdx1cT2PGYj6rx0AsUL7_3

Note: You can log in early to make sure the computer is working. We are limited to 100 participants at the meeting so people may not be able to log in with Zoom. Not to worry, we will be streaming live on our YouTube page, and will be recorded for viewing later. After registering, you will receive a confirmation email containing information about joining the meeting.

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**ARCHIVED POST**

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**ARCHIVED POST AUTHOR: aawalt **

About the Region

Fall Symposium 2025 Logo - Teach for the Future

Salado, the location of our Fall 2025 Symposium, lies at the intersection of two ecoregions: the Edwards Plateau (Limestone Cut Plain) and Blackland Prairie (Northern Blackland Prairie).

The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our fall Symposium host chapter, the Tonkawa Chapter, includes both of these ecoregions.

Source: Wildflowers of Texas by Michael Eason