condition mean min max Sterile Leaflet 3.69811 0.0 8.8807 Fertile Leaflet with Sori 1.385867 0.238636 3.44184 Primary Rachis 4.157766333333333 0.0 11.7647 Petiole 0.19696766666666665 0.0 0.590903 Crozier 0.071704 0.0 0.215112 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0