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 0.253681 0.0 0.452444 Stolon 0.0 0.0 0.0 Stolon with Root 2.765495666666667 0.981737 5.57915