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 0.425663 0.0 0.859343 Stolon 0.0 0.0 0.0 Stolon with Root 5.400503333333333 2.22272 8.86362