condition mean min max Sterile Leaflet 2.6227033333333334 0.0 7.86811 Fertile Leaflet with Sori 0.35652 0.0 0.934954 Primary Rachis 0.0 0.0 0.0 Petiole 0.010418700000000001 0.0 0.0312561 Crozier 8.7683 7.92702 9.90455 Rhizome 1.6196333333333335 0.0 4.8589 Root 0.0 0.0 0.0