condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 6.105166666666666 0.0 18.3155 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5304866666666667 0.0 1.59146 Petiole 0.0 0.0 0.0 Meristem 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.0 0.0 0.0 Mature Root 0.0 0.0 0.0