Dasya extensa Sonder ex Kützing, 1864: 21, pl. 58 (type locality: Lefevre Peninsula, South Australia).—Parsons, 1975: 569–578, figs. 2–4, 39B.— Huisman & Walker, 1990: 427.
Taxonomic synonyms:
Dasya villosa Harvey var. macroura Harvey, 1863: xxii (syntype localities: various in Australia).—Sonder, 1880: 36.
Dasya villosa Harvey var. ramulosa Harvey, 1863: xxii (type locality: Western Australia).—Sonder, 1880: 36.
Misapplied name (fide Parsons, 1975: 569):
Dasya villosa.—J. Agardh, 1890: 103 (in part).
INDIAN OCEAN DISTRIBUTION: Australia.
Note: The synonymy was proposed by Parsons (1975: 569).