condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.499375000000001 0.168175 12.0905 Root 1.1388433333333332 0.0 1.72101