The smallest flowering plant is the little Duckweed.
A Eucalyptus tree can reach a towering height of 420 feet.
The midpoint between the largest and smallest flowering plants is a 20-inch St. John's Wort.
The smallest plant is a single-celled alga, 1/2500th of an inch in diameter.
Including microscopic life, the average plant size is a moss less than an inch-and-a-half tall.
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