Avocado seas
From Tardis Wiki, the free Doctor Who reference
The avocado seas of Venofax were visited by Clara Oswald and the Eleventh Doctor at some point before she became employed at Coal Hill School. (PROSE: Normality) The Eleventh Doctor brought the Shroud to Venofax to defeat them, where they were weakened by the anti-depressant properties of the avocado seas. (PROSE: Shroud of Sorrow)