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This member of the Isoetaceae
family was given this name by Carl Linnaeus in 1753. It is found
in the North of Northern America, Canada, Iceland, Scandinavia,
France to Poland, growing in lakes with little nutrition from five
centimetres to five meters debt. The caudex can grow to
one and a half centimetre, the leaves to 40 centimetres length.

lacustris,
from the Latin lacus = lake, and ustris = origin.
Also seen as member of the Juncaceae
and Lycopodiaceae families. |