condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.229705 0.14812 0.327092 Primary Rachis 0.33772833333333335 0.0 0.808299 Secondary Rachis 0.197143 0.120802 0.324945 Petiole 0.38243299999999997 0.0 0.772315 Crozier 0.0306879 0.0174009 0.0384771 Root 2.323790333333333 0.865121 3.18233