Porphyra livida De Notaris, 1846: 67, 72 (type locality: Liguria, Italy).
Porphyra laciniata (Lightfoot) C. Agardh var. livida (De Notaris) Grunow, 1867: 58 (including Indian Ocean record).—Reichardt, 1871: 23.— Hemsley, 1884: 281 (without varietal designation).
INDIAN OCEAN DISTRIBUTION: St. Paul Island.