condition mean min max Sterile Leaflet 0.6769350000000001 0.22861 1.15355 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.2827903333333333 0.591381 2.00548 Secondary Rachis 1.190164 0.698911 1.92547 Petiole 0.426112 0.0 0.714334 Crozier 0.335168 0.243281 0.497513 Root 2.693484333333333 0.516183 4.3184