condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 3.077506333333333 0.0 8.85272 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 4.894033333333334 0.0 14.6821 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