condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 10.633688 0.355924 22.3597 Root 1.8242633333333333 0.0 3.66993