condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 7.726368666666667 0.840076 18.7572 Young Stem with Root 14.276800000000001 3.697 22.8273 Mature Stem with Root 1.10476 0.0 3.31428 Root 8.073723333333334 0.0 20.975