condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 7.7907 0.0 23.3721 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.902574 0.947272 3.21323 Root 5.929906666666667 1.10858 9.97447