Pistia stratiotes
The scientific name for lettuce is Lactuca sativa the family name is Asteraceae
The scientific name of water lettuce is Pistia stratiotes. It belongs to the Araceae family within the plant kingdom. This aquatic plant is known for its invasive nature and ability to form dense mats on water surfaces.
water lettuce
Lactuca sativa
The botanical name is mysembryanthemum crystalinum. In France where it is popular it is known as "Ficoid glacial" which might help if you are searching for seed.
Listroderes costirostris is the scientific name of the lettuce root weevil. The insect in question may be found most often referred to with the common name vegetable weevil since attacks are not limited to just lettuce (Latuca sativa) but to almost 50 different edible plants in all. The pest will feed upon the entire plant indiscriminately or focus upon specific parts, such as leaves, roots, or stems.
The scientific name of water strider is Gerris Remigis
the water boatman scientific name is Arctocorixa interrupta
The scientific name for a water boatman is a Corixa.
The scientific name of water hyacinth is Eichhornia crassipes.
It's called rocket (or roquette) because its scientific name is eruca an that sounded something like rocket.
The water moccasin's scientific name is Agkistrodon piscivorus