condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.0934366666666666 0.0 3.28031 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.077733 0.503493 1.91477 Root 6.519384666666666 0.0 19.2803