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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Monday, 2 March 2026 +08:00.

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.