condition mean min max Sterile Leaflet 0.4424093333333333 0.0 0.880679 Fertile Leaflet with Sori 0.06607616666666667 0.0 0.107299 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 5.00075 2.75406 6.71406