condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 6.543866666666666 0.0 19.6316 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 1.9706506666666668 0.0 5.64181