condition mean min max Sterile Frond 11.880566666666667 7.25887 18.5707 Fertile Frond 15.4652 10.9993 18.1744 Young Stem with Root 16.255200000000002 12.6457 20.3653 Mature Stem with Root 18.094900000000003 14.8054 21.8839 Root 15.0095 10.631 19.5798