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 0.12603774666666667 0.00876014 0.284279 Stolon 0.0 0.0 0.0 Stolon with Root 6.9921066666666665 1.77701 12.5676