condition mean min max Sterile Leaflet 1.7991446666666666 0.0 5.12451 Mature Sterile Leaflet 0.23671833333333334 0.0 0.710155 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.158582 0.0 0.475746 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0