condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.62097 0.0 1.86291 Young Stem with Root 0.279448 0.0 0.581046 Mature Stem with Root 5.4543680000000005 0.670504 10.6087 Root 14.736669666666666 0.628159 36.943