condition mean min max Sterile Frond 4.253689 0.0 12.6367 Fertile Frond 3.594725 0.123746 10.5313 Young Stem with Root 2.6826902 0.0 7.95573 Mature Stem with Root 1.8803416666666666 0.0 5.52509 Root 1.3090730000000002 0.0 3.60944