Skip to main content

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 Conservation listings displayed on Florabase may also be out of date.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

Advanced Search

Ditria zonaricola (Okamura) T.Yoshida & M.Yoshida

Reference
J.Fac.Sci.Hokkaido Imp.Univ., Ser. 5, Bot. 13:46 (1983)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus epiphytic; prostrate axes 2–3 mm long, 60–70 µm diam. [segment L:B c. 1], attached by branched multicellular rhizoids, these with a single primary cell cutting off 6–9 radiating dichotomously branched arms. Lateral branches to 75 µm diam. [segment L:B 0.5–1], determinate and simple or with 1 or 2 laterals. Trichoblasts to 650 µm long, when young secundly branched, but appearing dichotomous when mature; basal 1 or 2 cells equidimensional, more distal cells progressively narrower and more elongate.

Reproduction. Reproductive structures not observed.

Distribution. Known from Japan, eastern Australia (Queensland and Lord Howe Island) and north-western Australia.

Habitat. Epiphytic on Lobophora sp. in the intertidal.

[After J.M. Huisman in Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae: 504 (2018)]