condition mean min max Sterile Leaflet 0.08136256666666666 0.0 0.159075 Fertile Leaflet with Sori 2.6029980000000004 0.0 7.13686 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.7016633333333333 0.0 2.10499 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.036844999999999996 0.0 0.110535