Euphorbia cumulicola, commonly referred to as coastal dune sandmat or sand dune spurge, is a rare species of flowering plant endemic to the coastal regions of the US states of Florida and a very narrow region of Georgia.
Habitat It only occurs in the sandy, fire-dependent habitats of the extreme southeastern United States coasts, including dunes, coastal scrub, and scrubby flatwoods. Its sole occurrence in Georgia is known from Cumberland Island in Camden County.
Conservation The species faces a high degree of threat, primarily from habitat loss from development for real estate, fire suppression, offroad vehicle use, storm surge, and sea level rise.
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