Macbridea alba Chapm.

Macbridea alba is a rare species of flowering plant in the mint family known by the common names white birds-in-a-nest and white macbridea. It is endemic to Florida in the United States, where it is found in four counties in the Florida Panhandle. It is threatened by the loss and degradation of its habitat, and it is federally listed as a threatened species of the United States.

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