condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0114185 0.0 0.0342555 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.19892323333333334 0.0357755 0.493872 Root 7.54331 3.21028 10.8592