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Chaetomorpha valida (Hook.f. & Harv.) Kütz.

Reference
Sp.Alg. 379 (1849)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus dark green, loose-lying and forming entangled masses to 15 cm across and 1–5 cm thick, of curved, often crisped, rigid filaments, in the uppermost sublittoral of sheltered habitats. Filaments without attachment cells and of similar diameter throughout. Cells (300–)350–400 µm in diameter and L/B (1.5–)2–3(–4), not or slightly incised at the cross walls; lateral walls 30–60 µm thick, cross walls 8–15 µm thick; chloroplasts densely reticulate to discoid and closely aggregated, with numerous pyrenoids; nuclei numerous.

Reproduction.Unknown.

Distribution.From Venus Bay, S. Aust., to Port Phillip, Vic., and Port Arthur, Tas.

Habitat. C. valida usually grows on tidal flats in sheltered localities.

[after Womersley, Mar. Benthic Fl. Southern Australia I: 178 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Warren.
IBRA Subregions
Warren.
IMCRA Regions
Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Augusta Margaret River.