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Cirsium undulatum
A Wavy Thistle in full bloom. This one is a lavender pink. The stem branches a few times toward the top of the plant if at all. The leaves are very wavy along the edges and usually cut into shallow toothed lobes. The longest near the base.
This was in section 39 of the LBJ Grasslands. It was a dry prairie area or mesa. The soil had ocean fossils showing. Parts of this area of Texas have Crustaceous era ocean bottom exposed.
Lyndon B. Johnson Grasslands is 20,313 acres located in north-central Texas. Before the federal government purchased them back in the late 1930s, the grasslands were mostly abandoned farms and ranches suffering from severe soil errosion from poor agricultural practices.
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