condition mean min max Sterile Leaflet 0.046853 0.0 0.140559 Fertile Leaflet with Sori 11.934196666666667 8.61999 16.8271 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0293083 0.0 0.0879249