condition mean min max Sterile Leaflet 1.04310035 0.00742171 3.11404 Fertile Leaflet with Sori 0.01274351 0.0 0.0309544 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.203873333333333 2.69765 3.98659 Rhizome 0.3040161333333333 0.0402114 0.665228 Root 0.6145786333333333 0.0231349 0.991609