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Working Key to the Genera of North American Algae

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Working Key to the Genera of North American Algae is an influential early technical reference book on identification of algae in North America.

It was written by Frank Shipley Collins, and published in 1918.[1]: 56 

See also

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References

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  1. ^ Makers of American Botany, Harry Baker Humphrey, Ronald Press Company, Library of Congress Card Number 61-18435