condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.6530633333333333 0.0 1.95919 Young Stem with Root 6.957999999999999 0.0 20.874 Mature Stem with Root 0.428058 0.0 0.6865 Root 5.045593333333334 0.0 12.6179