condition mean min max Sterile Frond 0.8638389999999999 0.0 2.38881 Fertile Frond 4.398639 0.0 12.9596 Young Stem with Root 1.1429023333333332 0.0 3.07422 Mature Stem with Root 3.6907196666666664 0.0 10.8563 Root 0.555624 0.0 1.44591