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infestation (Photo: Sheldon Navie)
habit (Photo: Sheldon Navie)
rosette of large and deeply-divided lower leaves (Photo: Sheldon Navie)
close-up of lower leaf (Photo: Sheldon Navie)
close-up of leaf underside (Photo: Sheldon Navie)
stem and bases of leaves (Photo: Sheldon Navie)
close-up of hollow stem (Photo: Sheldon Navie)
mid-stem leaf (Photo: Sheldon Navie)
smaller toothed upper leaves (Photo: Sheldon Navie)
close-up of flowers and immature fruit (Photo: Sheldon Navie)
seedling (Photo: Sheldon Navie)
young plant (Photo: Sheldon Navie)
Scientific Name
Rorippa palustris (L.) Besser
Synonyms
Cardamine palustris (Wimmer & Grab.) Peterm. forma barbareaefolia (Delile) KuntzeNasturtium palustre (L.) DC.Nasturtium semipinnatifidum Hook.Nasturtium terrestre (With.) W.T. AitonNasturtium terrestre (With.) W.T. Aiton var. semipinnatifidum (Hook.) Hook. f.Rorippa islandica (Oeder ex Murr.) Borbas (misapplied)Sisymbrium amphibium L. var. palustre L.Sisymbrium barbaraefolium DelileSisymbrium palustre (L.) Leyss.Sisymbrium terrestre With.
Family
Brassicaceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory)Cruciferae (South Australia)
Common Names
bog marshcress, bog yellow cress, bog yellow-cress, bog yellowcress, common yellow-cress, common yellowcress, marsh cress, marsh yellow cress, marsh yellow-cress, marsh yellowcress, marshcress, yellow watercress
Origin
Native to Europe, western and northern Asia (i.e. Afghanistan, north-eastern Turkey, Armenia, Azerbaijan, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Mongolia, northern and western China, Japan and Korea), the Indian Sub-continent (i.e. Pakistan) and North America (i.e. Canada, Alaska and the USA).
Naturalised Distribution
Widely naturalised in southern and eastern Australia (i.e. in eastern Queensland, New South Wales, the ACT, Victoria, Tasmania, south-eastern South Australia and south-western Western Australia).
Naturalised overseas in New Zealand and southern South America.
Notes
Yellow marsh-cress (Rorippa palustris) is regarded as an environmental weed in Victoria, and sometimes as a minor environmental weed in Queensland and Tasmania.
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