condition mean min max Sterile Frond 0.7695296666666667 0.0 1.88323 Fertile Frond 2.72445 0.0 6.66801 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.7310599999999999 0.0 1.18679 Root 7.599756666666666 2.58327 15.8797