condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 3.9305333333333334 0.0 11.7916 Fertile Leaflet with Sori 0.45571 0.0 1.36713 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0