Rhabdonia nigrescens Harvey in J. Hooker & Harvey, 1847: 409 (type locality: Tasmania).
Antrocentrum nigrescens (J. Hooker & Harvey) Kraft & Min-Thein, 1983: 177–182, figs. 16–35.—Kraft & Womersley, 1994b: 373–374.
Taxonomic synonym:
Rhabdonia patens Harvey, 1863: xli (type locality: Garden Island, Western Australia).—J. Agardh, 1876: 593.— Sonder, 1880: 28.— De Toni, 1897: 364.
INDIAN OCEAN DISTRIBUTION: Australia.
Note: The synonymy was proposed by Kraft & Min-Thein (1983: 182).