condition mean min max Sterile Leaflet 0.634666 0.0 1.36402 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.47096 0.0 1.41288 Crozier 4.588913333333333 0.0 7.43031 Rhizome 0.7854533333333333 0.0 2.35636 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0