condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.5688133333333334 0.0 7.70644 Stolon 0.0 0.0 0.0 Stolon with Root 0.12057533333333333 0.0 0.361726