condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.031633333333333 0.0 6.0949 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.22181 1.54893 13.7873 Root 1.5720033333333334 0.030534 4.42293