condition mean min max Sterile Frond 1.3095453333333333 0.0 3.31281 Fertile Frond 1.825479 0.0 5.0989 Young Stem with Root 1.882059 0.0 5.40457 Mature Stem with Root 4.22611 0.0 11.7464 Root 1.9184603333333334 0.0 5.51067