condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.42400333333333334 0.0 1.27201 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.852261 0.0 4.60428 Root 21.329940666666666 0.899242 59.8254