Blechnum vulcanicum (Blume) Kuhn

Wedge Water-fern

in Miquel, Ann. Mus. Bot. Lugduno-Batavum 4: 284 (1869) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Rhizome spreading to semi-erect, short, coarse. Fronds tufted, erect, firm in texture, 20–50 cm tall; sterile and fertile fronds dissimilar. Stipe long, dark and very rough at base, paler and smoother towards rachis; scales dense near base, growing from tubercles which harden, shiny, red-brown, narrow, tapering to fine, twisted tips; fine hairs present. Sterile frond lamina narrowly wedge-shaped, once pinnate, dark green, under-surface with fine hairs; pinnae close-set, attached by broad bases, lowest pair curved and slightly deflexed, others straighter, broad, with pointed tips; margins clear, thickened, crinkled to entire. Fertile fronds erect, similar in length to sterile fronds; pinnae narrow and curved, bases widened. Sori covering underside of lamina on each side of midvein.

HSF, VAlp. Also Tas. New Zealand, Pacific islands. Known on the mainland only from a few sites near Bryces Gorge, Snowy Range, where it was first recorded in 1980 growing among rocks on wet peaty ground in a steep, shaded gully.

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.
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 vulcanicum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Blechnum vulcanicum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Highlands-Southern Fall present native
Victorian Alps present native

State distribution

Distribution map