How To Write Common Names Of Plants . The name is given because of red spikes that it produces in summer. The binomial system of nomenclature is structured so that the scientific name of a plant consists of two names: Classifications of flowering and non flowering plants from www.easypacelearning.com Maidencane, bulrush, water hyacinth, florida pondweed, duckweed and hydrilla. The plant is cultivated for the essential oil used in perfumery, soap making, to flavour liqueurs and sauces. Plants have names, just like people do.