| SN2000 author citation | : | |
(F.T. Kützing, 1844) T. Cavalier-Smith, 1993 |
| Subsequent rank | : | |
Cavalier-Smith, T. 1993b. Microbiological Reviews 57 (4): table 2 (p. 961). ("Agardh, 1824 stat. nov.").
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| Original spelling | : | |
op. cit.: table 2 (p. 961).
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| Incorrect (rank-group) authorship | : | |
Agardh, C.A. 1824. Syst. Alg.: XII.
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