condition mean min max Sterile Frond 1.4753666666666667 0.0 2.47365 Fertile Frond 3.383067 0.733391 7.58964 Young Stem with Root 0.33877 0.0 1.01631 Mature Stem with Root 0.10160400000000001 0.0 0.304812 Root 2.6216 0.0 7.8648