condition mean min max Sterile Frond 0.1170529 0.0 0.33488 Fertile Frond 1.3138679333333334 0.0203791 3.88428 Young Stem with Root 0.69903 0.0 2.09709 Mature Stem with Root 2.9457280666666668 0.0190242 6.18934 Root 2.214031 0.680733 3.41283