Drosera aquatica
{{Short description|Species of carnivorous plant}}
{{Speciesbox
| image =
| genus = Drosera
| display_parents = 2
| parent = Drosera sect. Arachnopus
| species = aquatica
| authority = Lowrie
| status = LC
| status_system = IUCN3.1
}}
Drosera aquatica is a species of sundew endemic to the Northern Territory and Western Australia. It was first described by Allen Lowrie in 2013.{{IPNI|id=77142013-1|taxon=Drosera aquatica|accessdate=28 September 2024}} Like other members of Drosera sect. Arachnopus it is an annual therophyte.{{cite book |last1=Fleischmann |first1=Andreas |last2=Cross |first2=Adam |last3=Gibson |first3=Robert |last4=Gonella |first4=Paulo |last5=Dixon |first5=Kingsley |title=Systematics and taxonomy of Droseraceae. In: Carnivorous Plants: Physiology, ecology and evolution |date=2018 |publisher=Oxford University Press |isbn=9780198779841 |pages=45–57 |url=https://academic.oup.com/book/27905 |access-date=22 September 2024}}
As the specific epithet implies, D. aquatica can be entirely aquatic, floating on the surface of floodwaters from the Australian monsoon.{{cite journal |last1=Ng |first1=Boaz |title=Carnivorous Plants of Australia's Top End |journal=Carnivorous Plant Newsletter |date=2021 |volume=50 |issue=3 |pages=133–140 |doi=10.55360/cpn503.bn639 |url=https://cpn.carnivorousplants.org/articles/CPNv50n3p133_140.pdf |access-date=28 September 2024}}