condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.021998599999999997 0.0 0.0659958 Primary Rachis 6.60128 1.70823 12.7508 Petiole 2.4790566666666667 0.0 7.43717 Crozier 0.020889500000000002 0.0 0.0626685 Rhizome 0.483765 0.106606 1.13683 Root 1.4730806666666667 0.732399 2.92854