condition mean min max Sterile Leaflet 3.3655000000000004 0.0 10.0965 Fertile Leaflet with Sori 0.6499550000000001 0.0 0.985508 Petiole 0.9667290000000001 0.751017 1.11261 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0