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 0.445812 0.106038 0.704374 Rhizome 0.6778333333333334 0.0 2.0335 Stolon 0.2526876 0.0901718 0.576612 Stolon with Root 2.6271333333333335 1.90306 3.64873