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 0.049159 0.0 0.147477 Crozier 0.0 0.0 0.0 Rhizome 3.1549626666666666 0.467628 7.30878 Stolon 0.11200700000000001 0.0 0.336021 Stolon with Root 0.5862266666666667 0.0 1.39711