Lettuce
Lettuce was a type of vegetable from Earth.

The galley aboard  featured lettuce, salad, and paprika. ()

The acronym "BLT" stood for Bacon, Lettuce, Tomato. It was also B'Elanna Torres' nickname (as well as her initials) while she was at Starfleet Academy. ()

In 2004,  ordered a Double Superbeef at a Burgerland in Detroit without lettuce. ()

See also 
 Rootleaf

External link
 

it:Lattuga
Earth plants
Earth foods