condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.019347133333333332 0.0 0.0580414 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.036659333333333 0.110478 19.8099 Root 0.37647200000000003 0.150185 0.619232