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Dictyopteris repens (Okamura) Børgesen

Reference
Nat.Hist.Juan Fernandez (Botany) 2:265, Fig. 13 (1924)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thalli to 7 cm long, decumbent and attached by rhizoids from midribs and margins; branching initially (sub)dichotomous, becoming cervicorn to pseudomonopodial in larger thalli, the divisions crowded and the axes of mixed widths, some with distally crowded dichotomies; axes 0.3–3.0 mm wide, the wings with broad sinuses and the blade tissue evenly textured and distromatic, 60–70 µm thick; midribs 4–12 cells and 800–900 µm thick. Cells of wings 20–40 µm long, 20–60 µm wide, to 100 µm thick.

Reproduction. Fertile specimens not seen.

Distribution. Known from the Canary Islands, the Indian Ocean and the Pacific Ocean, including coastal Qld. (but not the southern Great Barrier Reef), Lord Howe I. and northern New Zealand.

[After Kraft, Algae of Australia: Marine Benthic Algae of Lord Howe Island and the Southern Great Barrier Reef, 2: Brown Algae:147–148 (2009)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IMCRA Regions
North West Shelf.
Local Government Areas (LGAs)
Broome, Wyndham-East Kimberley.