Which plant is an aquatic plant species, Andira or Watercress?
Watercress Watercress is an aquatic plant species with the botanical name Nasturtium officinale. This should not be confused with the profoundly different and unrelated group of plants with the common name of nasturtium, within the genus "Tropaeolum".
Najas grossareolata Najas grossareolata, called the Sri Lankan water nymph, is an aquatic plant growing in fresh water ponds. It is a rare and little-known species known from Sri Lanka.