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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 Conservation listings displayed on Florabase may also be out of date.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.

Avrainvillea erecta (Berk.) A.Gepp & E.Gepp

Reference
Siboga-Exped.Monogr. 62:29 (1911)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus erect, olive to dark green, occasionallly with orange margins, to 4 cm tall, mostly solitary, growing in unconsolidated substrata, attached by a submerged bulbous rhizomatous holdfast. Stipes terete, 2–3 mm long and 1–2 mm diam. Blades reniform, flattened, spongy, to 20 mm tall and 30 mm wide. Structure of blade multistratose, with interwoven cylindrical siphons 25–65 µm diam., these irregularly dichotomously branched, with frequent constrictions. Siphon apices cylindrical. Plastids subspherical to ellipsoidal, 4–5 µm long, each with a pyrenoid.

Distribution. Widespread in the Indian and western Pacific Oceans.

Habitat. Typically growing in sandy or muddy substrata in the intertidal.

[After Huisman, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 120-121 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Dampierland, Pilbara.
IBRA Subregions
Pindanland, Roebourne.
IMCRA Regions
Kimberley, Pilbara (nearshore), Pilbara (offshore).
Local Government Areas (LGAs)
Ashburton, Broome, Karratha, Wyndham-East Kimberley.