Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Sphaerozyga polysperma Frank
new name
Dr. Johannes Lennis Syn. Pflanzenk. ed. 3 3: 222. 1886.
See Cylindrospermum polyspermum Kützing 1843, inval.
[Frank's use of this binomial seems to be the first after the L. S.-P. date]

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