Liverwort plants contain a painkiller similar to the one in marijuana
The THC-like substance may have medical benefits minus the same kind of high
![Radula perrottetii](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/10/102418_jl_liverwort_feat.jpg?fit=860%2C460&ssl=1)
NOVEL WEED Some species of liverwort, such as Radula perrottetii (pictured), have surprising similarities to marijuana.
Stefan Fischer/Univ. of Bern