Invasive species have been introduced into an ecosystem, often due to human activity. This can include plants introduced as ornamentals, experimental introductions that escaped containment and species accidentally introduced in imported shipping materials.
To prevent the spread of invasive species, it is important to buy and use firewood from local sources. Many forest pests and pathogens have been spread by traveling with firewood. Learn which potential commuters may be traveling with you at
https://www.dontmovefirewood.org/map/texas/.