condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.040616933333333334 0.0 0.0836339 Young Stem with Root 0.7004266666666666 0.0 2.10128 Mature Stem with Root 2.6787 1.4411 3.54184 Root 12.632681999999999 0.146946 22.5082