Black-spored Quillwort (Isoetes melanospora)

Aquatic plant 3-8 centimeters (1.2-3.2in) tall that reproduces by spores. Has five to 10 pointed, stiff and needle-like leaves, about 5-7 centimeters (2-2.8 in) long and 1 millimeter (0.04 in) wide. Leaves have light green tops that yellow toward the base...

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