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Caulerpa macrodisca Decne.

Reference
Ann.Sci.Nat., Bot. sér. 2, 17:336 (1842)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus forming clumps, spreading laterally to 12 cm, medium to dark green, with smooth stolons c. 2 mm diam., attached by pillars and sparse rhizoidal filaments. Assimilators to 5 cm tall, with a terete rachis 1.0–1.5 mm diam. Ramuli sparse or crowded, distinctly peltate, with a terete stalk to 5 mm long and a terminal disc 4–10 mm wide.

Distribution. Known from the tropical and subtropical regions of the western Pacific and eastern Indian Oceans. In W.A. south to Coral Bay.

Habitat. Epilithic in the subtidal.

[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 92 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Dampierland, Geraldton Sandplains.
IBRA Subregions
Geraldton Hills, Pindanland.
IMCRA Regions
Abrolhos Islands, Canning, Kimberley, Ningaloo.
Local Government Areas (LGAs)
Broome, Carnarvon, Exmouth, Greater Geraldton, Wyndham-East Kimberley.