condition mean min max Sterile Frond 5.57994 3.13829 8.40936 Fertile Frond 7.77543 4.59994 13.3986 Young Stem with Root 16.4738 7.3818 25.6714 Mature Stem with Root 12.035326666666666 9.69198 14.4479 Root 7.19164 4.57428 9.40922