1) Aquatic fern 2) Clover fern 3) Water fern 1) Nardo 2) Nardoo 
• (n.) See Peppergrass.
(from the article `peppergrass`) ...seed stalks are fed to cage birds. Its leaves are used in salads. Lentejilla, or little lentil (L. intermedium), native to Europe but long ...
(Marsilea) These aquatic perennials are commonly known as Pepperwort or Water Clover. These plants resemble four-leaf clovers. M. mutica var. Variegata produces vigorous-growing rhizomes from which sprout stems topped with greenish-yellow to brown patterned leaves, which often float on the surface of the water. If Water Clovers are planted in sever...
Pep'per·wort` noun (Botany) See Peppergrass .