condition mean min max Sterile Leaflet 2.6102 0.0 7.8306 Fertile Leaflet with Sori 0.5485533333333333 0.0 1.64566 Primary Rachis 0.34718333333333334 0.0 1.04155 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0