condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 7.526666666666666 0.0 22.58 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.305355 0.0 0.916065 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