Sparganium erectum subsp. stoloniferum (Buch.-Ham. ex Graebn.) H.Hara

J. Jap. Bot. 51: 228 (1976) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Basal leaves erect, 70–160 cm long, 8–17 mm wide. Inflorescence 4–6-branched, the terminal branch as long as or slightly longer than the basal branches. Female heads 1–2(–3) per branch; each basal head distant from the axil of a leaf-like bract or subtended by a very reduced bract; distal heads rarely subtended by a leaf-like bract. Male heads 7–13 per branch. Fruiting heads (15–)20–25 mm wide. Flowers Nov.–May.

*EGL, *GipP, *NIS, *VRiv, *VVP, *WaP. Forms dense populations in still or slowly flowing freshwater.

Australian occurrences of this Northern Hemisphere plant were formerly regarded as native, but the rapid expansion in its range in recent years suggests it has become naturalised since its pre-1900 introduction.

Created by: Andre Messina, 2016-08-04
Updated by: Daniel Ohlsen, 2017-04-26
Distribution map


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Sparganium erectum subsp. stoloniferum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Sparganium erectum subsp. stoloniferum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Gippsland Plain present naturalised
Warrnambool Plain present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised

State distribution

Distribution map
New South Wales