condition mean min max Sterile Frond 1.6639008666666666 0.0 4.89392 Fertile Frond 4.811148 0.0 14.2104 Young Stem with Root 21.147112433333334 0.0832933 62.9141 Mature Stem with Root 1.8267143000000001 0.0532229 4.32526 Root 3.004993333333333 0.0 7.8263