Siphonocladaceae → Dictyosphaeria Decne. → Dictyosphaeria cavernosa (Forsskal) Borgesen

Dictyosphaeria cavernosa (Forsskal) Borgesen
Dansk Botanisk Arkiv 2 (1932)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Scientific Description
John Huisman & Cheryl Parker, Monday 20 June 2011

Habit and structure. Thallus dark green, shiny, hemispherical or irregularly shaped, stiff-brittle, forming small hummocks 1–3 cm in diameter when young, when mature often opening and becoming irregularly cup-shaped. Structure hollow centrally, with peripheral layer of large polygonal cells (1–4 mm broad), firmly attached to one another by rows of hapteroid cells at segment junctions. Cells without trabeculae.

 

Distribution. Widely distributed in tropical and subtropical seas. In W. Aust. known from the tropics south to Dongara, with drift specimens collected from Rottnest I.

 

Habitat. Epilithic in the intertidal and shallow subtidal, often in small clusters.

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