Lactuca serriola (t) - What does (le, LE, t) mean?

Lactuca serriola (t)

Traditionally used to aid in treatment of insomnia.

More details

Traditionally used to aid in treatment of insomnia.

NPN: Application in process

 

1:5 ratio / 50-54% alcohol
Contains:
Wild Lettuce herb (Lactuca serriola)