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 29.939587666666668 0.438963 72.1366 Root 2.85628 0.0 6.90968