Harrisia simpsonii is often lumped with H. fragrans. However defined, it is only found in southern Florida, USA. Development has led to the disappearance of much of its coastal hammock habitat. Hurricanes and overcollection further threaten remaining plants.

Harrisia simpsonii is often lumped with H. fragrans. However defined, it is only found in southern Florida, USA. Development has led to the disappearance of much of its coastal hammock habitat. Hurricanes and overcollection further threaten remaining plants.

by pricklyprospects