Silva Center for Phycological Documentation: Index Nominum Algarum

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Indexes (very large files) to all taxa:

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Fragilaria polyedra Ehrenberg
Ber. K. Akad. Wiss. Berlin 1845: 77, no fig. 1845. (L)
Type locality: USA: Connecticut: Norwich (fossil)

See Odontidium polyedra (Ehrenberg) Kützing 1849
See image Nematoplata polyedra (Ehrenberg) Kuntze 1898
[as Fragilaria? polyedra; epithet inferred to be a noun in apposition: cf. Brown, Composition of Scientific Names, p. 715]

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