condition mean min max Sterile Frond 0.0301049 0.0 0.0903147 Fertile Frond 0.48607 0.0 0.876319 Young Stem with Root 2.0524693333333333 0.183098 5.04381 Mature Stem with Root 1.7394859999999999 0.23308 4.55082 Root 0.7447253333333334 0.126112 1.8986