|Lobelia rhombifolia, Bunyip State Park, Victoria|
Lobelia rhombifolia, commonly known as tufted lobelia, is an annual plant from southern Australia. It is 0.05 to 0.3 metres high and produces purple flowers with a white throat and two recurved upper lobes.  These appear at different times across their native range:
- September to December in Western Australia
- October and November in South Australia
- November in Victoria
- October to February in Tasmania
- "Lobelia rhombifolia". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 2010-06-21.
- "Lobelia rhombifolia". FloraBase. Department of Environment and Conservation, Government of Western Australia.
- "Lobelia rhombifolia". Electronic Flora of South Australia Fact Sheet. State Herbarium of South Australia. Retrieved 2010-06-21.
- Wild Plants of Victoria (database). Viridans Biological Databases & Department of Sustainability and Environment. 2009.
- "Lobelia rhombifolia" (PDF). Threatened Plants of Tasmania. Department of Primary Industries, Parks, Water and Environment. 1010-01-04. Retrieved 2010-06-21. line feed character in
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