condition mean min max Sterile Leaflet 0.273328 0.0 0.649802 Fertile Leaflet with Sori 1.3968466666666668 0.0 4.19054 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.076231 0.0 6.09933 Petiole 0.08614733333333334 0.0 0.258442 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0