condition mean min max Sterile Leaflet 0.06911633333333334 0.0 0.107756 Fertile Leaflet with Sori 2.1251533333333334 1.92965 2.48624 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0325157 0.0 0.0975471 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0