condition mean min max Sterile Leaflet 5.144878033333334 0.0 15.3655 Fertile Leaflet with Sori 7.5177439999999995 0.376072 20.8754 Petiole 4.887804 0.132402 11.8242 Crozier 13.679002666666666 0.529708 30.191 Rhizome 0.5323873333333333 0.0 0.951316 Root 0.222301 0.0 0.390826