little amphianthus
Gratiola amphiantha D.Estes & R.L.Small

Gratiola amphiantha is a flowering plant species native to the southeastern United States, found in Alabama, Georgia, and South Carolina. It is restricted to granite outcrops in the Piedmont region, a habitat under threat from human activities. The species was previously placed in the monotypic genus Amphianthus but was reclassified into the genus Gratiola in 2008 following genetic analysis. It is listed as a federally threatened species due to its limited distribution and habitat degradation.
Description
Gratiola amphiantha, known as little amphianthus, pool sprite, or snorkelwort, is a rare plant species in the Plantaginaceae family. It is found in the southeastern U.S., specifically in the Piedmont region of Georgia, with populations also in Alabama and South Carolina. The species is restricted to granite outcrops, a high-biodiversity habitat that is vulnerable to quarrying, off-road vehicle use, and waste dumping. Due to its restricted range and habitat threats, it is classified as a federally threatened species. The plant was previously classified in the genus Amphianthus but was transferred to Gratiola in 2008 based on genetic studies.
Other common names
little amphianthus
Distribution
Alabama · Georgia · South Carolina
Synonyms
Amphianthus pusillus



