Adams-Onís Treaty of 1819
Alabama, Florida, Louisiana, Mississippi, Texas
It included none of Florida.
The closest the Louisiana Territory got to Florida was the southern tip of Alabama.
Florida was owned by Spain, and Louisiana was owned by France in 1787.
The Northwest territory, the Louisiana territory, the Texas territory, the New Mexico, California, and Oregon territories, and the Florida territory.
After the Louisiana Purchase in 1803, the part of the Louisiana Purchase that would eventually become the State of Louisiana was organized into the Territory of Orleans. The Territory of Louisiana was the other part of the Louisiana purchase that became the State of Arkansas and everything North of that. (The land north of Lake Ponchartrain and east of the Mississippi River was known as "West Florida" and was owned at the time by Great Britain.)
The states that came from Louisiana territory include North Dakota, South Dakota, Wisconsin, Minnesota, Indiana, Michigan, Nebraska, Iowa, Illinois, Oklahoma, Missouri, Kansas, Louisiana, Mississippi and Arkansas.
Louisiana Territory was purchased in 1803. Florida Territory was purchased in 1821, California, New Mexico and Arizona Territory followed with the Mexican American War. Alaska in 1867.
Louisiana, Mississippi and Alabama
After the Louisiana Purchase in 1803, the part of the Louisiana Purchase that would eventually become the State of Louisiana was organized into the Territory of Orleans. The Territory of Louisiana was the other part of the Louisiana purchase that became the State of Arkansas and everything North of that. (The land north of Lake Ponchartrain and east of the Mississippi River was known as "West Florida" and was owned at the time by Great Britain.)
The US believed that part of the Louisiana Purchase included the territory known as West Florida, which now comprises parts of Louisiana, Mississippi, Alabama, and Florida. This area was not part of the initial Louisiana Purchase but was later acquired by the US through diplomatic negotiations and treaties.
France Not France. During the time period when the United States signed the Constitution, Spain owned the Louisiana Territory. France later gained the territory shortly before President Thomas Jefferson made the decision to buy it.