- Reference
- Pl.Preiss. [J.G.C.Lehmann] 152 (1846)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Scientific Description
Habit and structure. Thallus 1–4(–5) cm high, often densely tufted, with few to numerous axes arising from a branched, rhizoidal system, epilithic. Axes simple or occasionally branched, lanceolate in outline, denuded below, bearing ramuli bilaterally, or unilaterally when densely clumped, with the ramuli on each side arranged more-or-less in two rows but with occasional ramuli between the rows. Axes (250–)300–500(–600) µm in diameter below, 150–250 µm in diameter above, bearing ramuli 0.5–1.5 mm long and 50–120(–200) µm in diameter with lower ramuli sometimes extending to several mm long; scars on axes conspicuous or not; chloroplasts round to lenticular, 2–6 µm long.
Reproduction. Unknown.
Distribution. Rottnest I., and adjacent mainland coasts (limits uncertain), W. Aust., and from Kingscote and Ballast Head on Kangaroo I., S. Aust.
[After Womersley, Mar. Benthic Fl. Southern Australia I: 284 (1984)]
Distribution
- IBRA Regions
- Swan Coastal Plain.
- IBRA Subregions
- Perth.
- IMCRA Regions
- Abrolhos Islands, Leeuwin-Naturaliste.
- Local Government Areas (LGAs)
- Cockburn, Greater Geraldton, Joondalup, Rockingham.