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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +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.