condition mean min max Sterile Frond 0.627035 0.124367 1.32099 Fertile Frond 9.446323000000001 0.387386 27.4566 Young Stem with Root 0.153734 0.0 0.461202 Mature Stem with Root 0.6329106666666666 0.280613 0.927483 Root 10.589887666666666 0.374893 26.4692