condition mean min max Sterile Frond 3.937201 0.0 11.3483 Fertile Frond 17.298436666666667 2.3695 46.9468 Young Stem with Root 14.319955000000002 0.488205 34.2396 Mature Stem with Root 14.706869999999999 0.0 41.5564 Root 0.7520833333333333 0.0 1.15313