''Nasturtium africanum'', the Moroccan watercress, is an aquatic plant

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

.Maire, René Charles Joseph Ernest. 1926. Bulletin de la Société Botanique de France 17: 104, Rorippa africana Two subspecies are recognized: *''Nasturtium africanum'' subsp. ''africanum'' - northwestern Morocco *''Nasturtium africanum'' subsp. ''mesatlanticum'' (Litard. & Maire) Greuter & Burdet (syn = ''Rorippa africana'' subsp. ''mesatlantica'' Litard. & Maire = ''Nasturtium mesatlanticum'' O.E. Schulz) -- Mid-Atlas Mountains of Morocco Both subspecies are considered endangered.IUCN Red List of Threatened Species, 2013.2, Nasturtium africanum
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References

africanum This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with classical languages to understand and remember the scientific names of organisms. The binomial nomenclature used for animals and plants ...

Freshwater plants Flora of Morocco Plants described in 1922 {{Brassicales-stub