condition mean min max Sterile Leaflet 0.20798506666666666 0.0827056 0.441945 Fertile Leaflet with Sori 4.1776 1.39419 5.93747 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.15126073333333334 0.0 0.362629 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0