condition mean min max Sterile Frond 0.21142000000000002 0.0 0.339722 Fertile Frond 2.032998 0.0 5.75124 Young Stem with Root 0.160107 0.0 0.480321 Mature Stem with Root 10.945966666666667 0.0 17.1484 Root 1.072158 0.597154 1.3213