Blechnum chambersii Tindale

Lance Water-fern

in Beadle, O. Evans & Carolin, Fl. Sydney Region 86 (1972) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Rhizome erect to oblique, short. Fronds tufted, erect to spreading, firm in texture, 15–55 cm tall; sterile and fertile fronds dissimilar. Stipe short, pale to brown; scales few, shiny, very narrow. Sterile frond lamina lanceolate, widest near centre, reducing rapidly towards apex and more gradually towards base, once pinnate, dark green; pinnae close-set, forwardly curved, attached by broad bases, narrowly oblong, margins bluntly serrate, apices acute to rounded; lower pinnae much reduced in size, sometimes forming irregular wing on rachis. Fertile fronds flaccid, shorter than sterile fronds; pinnae numerous, separated, curved, very narrow. Sori covering underside of lamina on each side of midvein.

CVU, DunT, EGL, EGU, GipP, Glep, GGr, HFE, HNF, HSF, OtP, OtR, Strz, VAlp, VVP, WaP, WPro. Also SA, Qld, NSW, Tas. (including King Is.), Norfolk Is. New Zealand, Fiji. Usually found near creeks in shady, moist forests where it grows in erect tufts on the forest floor or among rocks, or with downward arching fronds on wet banks, fallen logs at the bases of tree-ferns.

The flaccid fertile fronds with fine pinnae and the sterile fronds with serrate, sessile pinnae are characteristic of B. chambersii.

Source: Entwisle, T.J. (1994). Ferns and allied plants (Psilophyta, Lycopodiophyta, Polypodiophyta). 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, 2016-09-16
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
order Polypodiales
family Blechnaceae
genus Blechnum
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Blechnum chambersii in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Blechnum chambersii in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Glenelg Plain present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Highlands-Far East present native
Victorian Alps present native

State distribution

Distribution map
South Australia
New South Wales