condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.13041733333333333 0.0 0.391252 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 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 4.263218666666667 0.0 11.9931