condition mean min max Sterile Leaflet 0.03613233333333333 0.0 0.108397 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 2.45312 1.8745 2.80219 Rhizome 0.185555 0.0 0.28201 Root 0.119 0.0 0.357