condition mean min max Sterile Frond 7.0599549999999995 0.0 20.7427 Fertile Frond 10.94722 2.21492 27.7643 Young Stem with Root 16.586152333333334 0.683787 46.1411 Mature Stem with Root 16.04577666666667 1.06025 41.1985 Root 22.005172 0.216576 61.0762