The “Tall” Cypress Tree in the Knowledge tab unlocks the “Small” Cypress Tree.
I have a screenshot, but I’m not allowed to upload pictures as a new account.
Had to write the link like this to my screenshot cause it won’t allow me to post it “normally”.
https:// www .dropbox.com/s/mnookpcgk48a4x9/Cypress%20Bug.png?dl=0