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This Aug. 1, 2017 photo shows a Chinese tallow tree branch at the Audubon Louisiana Nature Center in New Orleans. The tallow is a highly invasive tree rapidly overtaking forests from Texas to Florida. The 86-acre site, with walking trails and boardwalks winding through a swampy forest, flooded in 2005 and became overrun with Chinese tallow in the years that followed. (AP Photo/Stacey Plaisance)

This Aug. 1, 2017 photo shows a Chinese tallow tree branch at the Audubon Louisiana Nature Center in New Orleans. The tallow is a highly invasive tree rapidly overtaking forests from Texas to Florida. The 86-acre site, with walking trails and boardwalks winding through a swampy forest, flooded in 2005 and became overrun with Chinese tallow in the years that followed. (AP Photo/Stacey Plaisance)