Some consequences of the introduction of watercress by the French at Akaroa. Duman, F. and F. Ozturk. Australia's Virtual Herbarium. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. Fascioliasis control. Healy (1962, in Healy, 1996) reported that watercress was introduced to New Zealand by the French at Akaroa, South Island, in 1840 to provide food for crews and passengers of French ships calling at the port. Thompson (1922) reported N. officinale to be commonly infested by Aphis brassicae in New Zealand. 14 pp. officinale and is discussed further in the Invasion Process section. Nasturtium officinale (watercress); flowering habit. Hydrobiologia, 607:75-85. http://springerlink.metapress.com/content/1573-5117/, Guadagnin SG, Rath S, Reyes FGR, 2005. Wisconsin Department of Natural Resources (WI DNR). . http://www.lifescript.com/food/articles/w/watercress_has_its_benefits.aspx#disqus_thread, Andrianova TV, Minter DW, 2004. Watercress: Nasturtium officinale. 2 (3), 119-123. http://connection.ebscohost.com/c/articles/82189159/evaluation-some-iranian-watercress-nasturtium-officinale-l-populations-using-agro-morphological-traits, USDA-ARS, 2006. Native and invasive vegetation of karst springs in Wisconsin's Driftless area. J.]. Its lower tolerance of cold conditions perhaps explains its lower altitudinal limits compared to N. microphyllum (Howard and Lyon, 1952b). In: Expansion of comments made during discussion at the Etienne Raoul Symposium, 23 November 1996. http://bts.nzpcn.org.nz/bts_pdf/Cant_1998_32__9-10.pdf, Healy AJ, ed. Christchurch, New Zealand: Department of Scientific and Industrial Research, 1365 pp. Rorippa nasturtium-aquaticum. It is apparently native to much of European and Asian countries, stretching from the British Isles probably as far as western China. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. Tenorio, R.C., Drezner, T.D. R. palustris is an annual or biennial upright plant with pale yellow flowers and a small fruit (5-9 mm long) with two rows of seeds on either side of a central division. Radicula nasturtium-aquaticum (L.) Rendle & Britten. The treatment of aquaculture wastewaters - A botanical approach. Nasturtium officinale (watercress); flowers (on cultivated plants) - note developing seedpods. Generate a print friendly version containing only the sections you need. (Nasturtium uniseriatum Howard & Manton; Rorippa microphylla (Boenn.) In N. officinale, the seeds are in 2 rows and are coarsely reticulate, with 20-50 polygonal depressions per face. “N. Folia Geobotanica 34(4): 421—433. A. and K. Phelps. The PLANTS Database 2008. Bleeker et al. Watercress (Nasturtium officinale) production utilizing brook trout (Salvelinus fontinalis) flow-through aquaculture effluent. Leaf and root tissue increases early in the growing season, but in late summer to winter plants have over 60% of their dry matter in the stems. Fish and Wildlife Service Region 5. Wellington, New Zealand: A.H. & A.W. watercress. Freshwater pulmonate species (Lymnaea ovata, L. stagnalis, Physa acuta, Planorbis leucostoma) are also known to inhabit watercress beds in France. Pacific Islands Ecosystems at Risk. Ovary about 3 mm long, style short, stigma with two lobes. In South Africa, controlled cultivation is permitted, despite the plant being classed as a Category 2: declared invader (Henderson and Cilliers, 2002). Great Lakes Panel for Aquatic Nuisance Species (GLPANS). Reed, p. 279, Healy AJ, 1996. 1992. Fish and Wildlife Service, Arlington, Va. 145 pp. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. Effect of light on the germination of watercress seeds. Stink bugs (Nezara viridula, Nysius spp.) Natural infections of Omphiscola glabra (Lymnaeidae) with Fasciola hepatica in Central France. Available http://www.ecy.wa.gov/Programs/wq/plants/plantid2/descriptions/rornas.html. The valves of the ripe siliqua are beaded; seeds suborbicular and compressed, with 25 alveoli on each side of the testa. Nasturtium officianale. Invasive Non-native Plant Management During 2002. London, UK: Cambridge University Press, 607 pp, University of Queensland, 2014. Watercress supplementation in diet reducs lymphocyte DNA damage and alters blood antioxidant status in healthy adults. Br.). Nasturtium: Family: Brassicaceae (Mustard) Life cycle: perennial: Origin: Europe: Status: Invasive - ERADICATE! Naturalized throughout North America, north to Alaska. University of Michigan. N. officinale and N. microphyllum are very similar and grow together. Howard, H.W., Lyon, A.G. 1952. http://avh.chah.org.au/, Coffey BT, Clayton JS, 1988. Watercress is most abundant in summer and autumn and flowers between March to October. (Brassicaceae). The new Oxford book of food plants., xx + 239 pp, Webb CJ, Sykes WR, Garnock-Jones PJ, 1988. Also southern Canada, Sub-Saharan Africa, South America, Australasia, and parts of tropical Asia. Traditionally, watercress has long been used to treat a number of ailments, with claims that it can improve blood circulation (Matsushima et al., 2006) for the treatment of renal colic, liver diseases (Guarrera et al., 2005) as a mild stimulate, a diuretic, an expectorant and a digestive aid. Journal of Environmental Sciences (China) 22(4): 526—532. Online Database. N. officinale seeds and stem fragments are commonly spread by water, especially during floods (Weeds of Australia, 2014). Since N. microphyllum, N. officinale and N. x sterile were not described separately until the 1940s (Howard and Lyon, 1952a), it is impossible to know which of the present-day species was responsible for these problems. Report of the WHO Informal Meeting on use of triclabendazole in fascioliasis control. Although introduced well after the Maori settlement of New Zealand, it has become a popular food of the Maori, who know it as kowhitiwhiti. It may become even more widely spread in future, most likely to be the result of its deliberate introduction as a food plant. Black rot (Xanthomonas campestris) is common in outdoor crops under prolonged rainy periods and high humidity. Going et al. 88 pp, Houin R, 2004. Welbaum, G. E., 2015. Nasturtium officinale. 1982. 2006. Australia: University of Queensland. In arid regions of western states, it can alter function and block streams. Watercress yellows is caused by a phytoplasma first detected in 2001 (Borth et al., 2006). http://aquaculture.davis.wvu.edu/r/download/121691, Soares B, Cantos GA, 2006. However, their effects are nowhere near so severe in modern times, and in many places watercress has been partly displaced by other species of aquatic plants. Bishop Museum Occasional Papers. Falck, M. and S. Garske. 2008. Nasturtium officinale (watercress); habit in a wet spot. Environmental and Experimental Botany 69(2): 167—174. (2008) investigated the effects of shading on N. officinale and found that total biomass and root biomass decreased with decreasing light levels, and that the species displayed considerable morphological plasticity, acclimatising to low light conditions primarily by increasing leaf area and canopy surface area. Six stamens, with four long and two short. Report of investigation for wild edible plants and their traditional knowledge in Bhutan. Invasive Range: In USA: all lower 48 states, except North Dakota. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. An attempt at weed control and eradication in New Zealand in 1856, using the Australian black swan (Cygnus atratus), was unsuccessful, although the Australian black swan thrived and became a problem in its own right (Healy, 1996). Bulletin 1027. Citation information: U.S. Geological Survey. ADAS/MAFF, 1983.