Red Water-milfoil,
Red Milfoil
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Regional Species Conservation Assessments per IBRA subregion.


Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
Display IBRA region text
Bridgewater (NCP01) | Naracoorte Coastal Plain | Rare (IUCN: RA d(i,ii)) |
Glenelg Plain (NCP02) | | Rare (IUCN: RA d(ii)) |
Lucindale (NCP03) | | Rare (IUCN: RA d(ii)) (Probable Decline) [drying a threat] |
Tintinara (NCP04) | | Rare (IUCN: RA d(i,ii)) |
Fleurieu (KAN02) | Kanmantoo | Near Threatened [weedy, in farm dams; undercollected] |
Mount Lofty Ranges (FLB01) | Flinders Lofty Block | Near Threatened [weedy, in farm dams] |
Broughton (FLB02) | | Rare (IUCN: RA d(i,ii)) |
Olary Spur (FLB03) | | Rare (IUCN: RA d(i,ii)) |
Northern Flinders (FLB05) | | Near Threatened |
Central Flinders (FLB06) | | Near Threatened |
St Vincent (EYB02) | Eyre Yorke Block | Regionally Extinct |
Murray Mallee (MDD02) | Murray Darling Depression | Near Threatened (Probable Decline) |
Murray Lakes and Coorong (MDD03) | | Data Deficient |
Lowan Mallee (MDD04) | | Rare (IUCN: RA d(i,ii)) |
Wimmera (MDD05) | | Rare (IUCN: RA d(i,ii)) |
Murray Scroll Belt (RIV06) | Riverina | Near Threatened (Probable Decline) |
Myall Plains (GAW01) | Gawler | Rare (IUCN: RA d(ii)) [grows in dams, stock water] |
Gawler Volcanics (GAW02) | | Rare (IUCN: RA d(ii)) [grows in dams, stock water] |
Arcoona Plateau (GAW04) | | Rare (IUCN: RA d(ii)) [grows in dams, stock water] |
Torrens (GAW06) | | Near Threatened |
Roxby (GAW07) | | Near Threatened |
Yellabinna (GVD06) | Great Victoria Desert | Rare (IUCN: RA d(ii)) [grows in dams, stock water] |
Barrier Range Outwash (BHC04) | Broken Hill Complex | Rare (IUCN: RA d(i,ii)) |
Curnamona (BHC06) | | Rare (IUCN: RA d(i,ii)) |
Oodnadatta (STP02) | Stony Plains | Near Threatened |
Murnpeowie (STP03) | | Least Concern |
Macumba (STP05) | | Near Threatened |
Witjira (STP06) | | Near Threatened |
Baltana (STP07) | | Least Concern |
Coongie (CHC06) | Channel Country | Least Concern |
Mann-Musgrave Block (CER01) | Central Ranges | Least Concern |
4 of 4 subregions | Naracoorte Coastal Plain | Rare |
Fleurieu (KAN02) | Kanmantoo | Near Threatened [weedy, in farm dams; undercollected] |
5 of 6 subregions | Flinders Lofty Block | Near Threatened , Rare |
St Vincent (EYB02) | Eyre Yorke Block | Regionally Extinct |
4 of 6 subregions | Murray Darling Depression | Near Threatened , Rare , Data Deficient |
Murray Scroll Belt (RIV06) | Riverina | Near Threatened (Probable Decline) |
5 of 8 subregions | Gawler | Near Threatened , Rare |
Yellabinna (GVD06) | Great Victoria Desert | Rare (IUCN: RA d(ii)) [grows in dams, stock water] |
2 of 4 subregions | Broken Hill Complex | Rare |
5 of 7 subregions | Stony Plains | Least Concern , Near Threatened |
Coongie (CHC06) | Channel Country | Least Concern |
Mann-Musgrave Block (CER01) | Central Ranges | Least Concern |
Botanical art
Kath Alcock paintings: 6
Prior names
Myriophyllum variifolium var. microphyllum
Common names
Red Water-milfoil
Red Milfoil
Distribution and status
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Southern Lofty, South Eastern, Green Adelaide
AVH map: SA distribution map (external link)
Location | No. of seeds (weight grams) | Number of plants | Date collected | Collection number Collection location | Date stored | % Viability | Storage temperature | BGA | 6,700 (1.73 g) | 100+ | 12-Aug-2010 | TST958 Lake Eyre | 1-Jan-2012 | 80% | -18°C |
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.