condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.6256933333333334 0.0 7.87708 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.1400334 0.0 0.322345 Root 0.5487886666666666 0.262372 0.864741