condition mean min max Sterile Frond 2.591295666666667 0.118994 7.14254 Fertile Frond 0.5598183333333333 0.27037 0.84565 Young Stem with Root 0.137151 0.0 0.411453 Mature Stem with Root 0.38704999999999995 0.0 1.16115 Root 0.2645587 0.0299021 0.425052