Theriot, E. & Stoermer, E.F. (1984). Principal component analysis of Stephanodiscus: Observations on two new species from the Stephanodiscus niagarae complex. Bacillaria, 7: 37-53
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Theriot, E. & Stoermer, E.F.
1984
Principal component analysis of Stephanodiscus: Observations on two new species from the Stephanodiscus niagarae complex