Laurencia rigida J. Agardh, 1876: 651–652 (syntype localities: various, including "in oceano indico calidiore'').—De Toni, 1903: 789.— Subbaramaiah, 1974: 59.— Untawale, Dhargalkar, & Agadi, 1983: [37].
INDIAN OCEAN DISTRIBUTION: India, Indonesia (Java), Laccadive Islands.