Juncusol, a phenanthrenoid found in Juncus setchuenensis, possesses anxiolytic effect. Juncusol is associated with metabolic changes in cortical serotonin/dopamine levels in Mice[1].
[1] Lu Sun, et al. Anxiolytic effect of a novel 9,10-dihydrophenanthrene, juncuenin H, is associated with metabolic changes in cortical serotonin/dopamine levels in mice. Fitoterapia. 2019 Apr;134:165-171. DOI:10.1016/j.fitote.2019.02.030