condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.091736 0.0 0.275208 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.027833333333334 0.0 12.0835 Root 4.955422333333333 0.0 14.5186