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ALGAE
[878]
Ann. Sci. Nat., Bot., sér. 6, vol. 19 : t. 12 (1884) [R. Zeiller] [3]
drawing: R. Zeiller [19]
Illustration contributed by:
Natural History Museum, London, U.K.
Ann. Sci. Nat., Bot., sér. 6, vol. 19 : t. 12 (1884) [R. Zeiller]