condition mean min max Sterile Leaflet 0.6579 0.0 1.9737 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.9252933333333333 1.84024 2.00997 Rhizome 0.14110586666666666 0.0 0.381935 Root 0.2522582 0.0 0.683887