Heterozostera tasmanica (G.Martens ex Asch.) Hartog

Tasman Grass-wrack

Verh. Kon. Ned. Akad. Wetensch., Afd. natuurk., Tweede Sect. 59: 116 (1970) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Rhizomes 1.5–3 mm diam.; fibrous bundles only in outer cortex. Branches generative. Leaf sheath 1.7–7.5 cm long. Leaves 3–4 per shoot, 14–32 cm long, 0.5–2 mm wide; apex obtuse with a minute slit; epidermal cell surface smooth. Spathes conspicuous, 10–18 per branch. Spadix with 2–4 narrowly triangular bracts, each enclosing an anther, 1.5–3.5 mm long. Flowers Sep.–Feb.

GipP, OtP, OtR, VVP, WPro. Also WA, SA, NSW, Tas. Locally common in shallow coastal waters to a depth of c. 8 m, in sandy soil.

Source: Conn, B.J. (1994). Zosteraceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-15
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Distribution map


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Heterozostera tasmanica in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Heterozostera tasmanica in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Wilsons Promontory present native
Otway Ranges present native

State distribution

Distribution map
Western Australia
South Australia